v3.25.2
INVESTMENTS - SDLP Portfolio (Details)
$ in Millions
Jun. 30, 2025
USD ($)
borrower
Dec. 31, 2024
USD ($)
borrower
Schedule of Investments [Line Items]    
Total unfunded capital commitments $ 25.0 $ 29.0
Senior Direct Lending Program    
Schedule of Investments [Line Items]    
Number of borrowers in the SDLP | borrower 19 20
Total unfunded capital commitments $ 339.0 $ 489.0
Senior Direct Lending Program | First lien senior secured loans    
Schedule of Investments [Line Items]    
Principal 4,415.0 4,759.0
Senior Direct Lending Program | Unitranche loans    
Schedule of Investments [Line Items]    
Principal 3,452.0 3,937.0
Investment, Identifier [Axis]: Steward Partners Global Advisory, LLC and Steward Partners Investment Advisory, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   2.7
Investment, Identifier [Axis]: 15484880 Canada Inc. and 15484910 Canada Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 13.2  
Investment, Identifier [Axis]: 15484880 Canada Inc. and 15484910 Canada Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 28.4  
Investment, Identifier [Axis]: 15484880 Canada Inc. and 15484910 Canada Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 0.3  
Investment, Identifier [Axis]: 15484880 Canada Inc. and 15484910 Canada Inc., Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 13.8  
Investment, Identifier [Axis]: 22 HoldCo Limited, Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal 66.4 [4],[5],[6] 56.9 [1],[2],[3]
Investment, Identifier [Axis]: 3 Step Sports LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 9.1 10.4
Investment, Identifier [Axis]: 3 Step Sports LLC and 3 Step Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 12.5  
Investment, Identifier [Axis]: 3 Step Sports LLC and 3 Step Holdings, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 1.3  
Investment, Identifier [Axis]: 3 Step Sports LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   12.5
Investment, Identifier [Axis]: 760203 N.B. LTD.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.2 7.4
Investment, Identifier [Axis]: 760203 N.B. LTD., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   35.2
Investment, Identifier [Axis]: 760203 N.B. LTD., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 37.1  
Investment, Identifier [Axis]: 760203 N.B. LTD., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6],[7] 3.0  
Investment, Identifier [Axis]: 760203 N.B. LTD., First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5],[6],[7] 1.3  
Investment, Identifier [Axis]: 760203 N.B. LTD., First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5],[6],[7] 2.1  
Investment, Identifier [Axis]: ACP Avenu Midco LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 15.2  
Investment, Identifier [Axis]: ACP Avenu Midco LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 13.2  
Investment, Identifier [Axis]: ADF Capital, Inc., ADF Restaurant Group, LLC, and ARG Restaurant Holdings, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[8]   12.6
Investment, Identifier [Axis]: ADG, LLC, GEDC Equity, LLC and RC IV GEDC Investor LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 9.5 12.3
Investment, Identifier [Axis]: ADG, LLC, GEDC Equity, LLC and RC IV GEDC Investor LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 15.6 [4],[5] 15.5 [1],[2]
Investment, Identifier [Axis]: ADG, LLC, GEDC Equity, LLC and RC IV GEDC Investor LLC, Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 48.4 [5] 43.4 [1]
Investment, Identifier [Axis]: ADMA Biologics Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 0.3 [4],[5],[6] 3.4 [1],[2],[3]
Investment, Identifier [Axis]: AI Aqua Merger Sub, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[9]   1.0
Investment, Identifier [Axis]: AI Aqua Merger Sub, Inc.., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[10] 1.0  
Investment, Identifier [Axis]: AI Fire Buyer, Inc. and AI Fire Parent LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   8.0
Investment, Identifier [Axis]: AI Fire Buyer, Inc. and AI Fire Parent LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   3.9
Investment, Identifier [Axis]: AI Fire Buyer, Inc. and AI Fire Parent LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.1
Investment, Identifier [Axis]: AI Fire Buyer, Inc. and AI Fire Parent LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [1],[2]   6.2
Investment, Identifier [Axis]: AI Fire Buyer, Inc. and AI Fire Parent LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[11]   1.1
Investment, Identifier [Axis]: AI Fire Buyer, Inc. and AI Fire Parent LLC, Second lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   62.8
Investment, Identifier [Axis]: AI Fire Buyer, Inc. and AI Fire Parent LLC, Second lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   14.2
Investment, Identifier [Axis]: AI Fire Buyer, Inc. and AI Fire Parent LLC, Second lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [1],[2]   13.7
Investment, Identifier [Axis]: AI Titan Parent, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 18.5 18.5
Investment, Identifier [Axis]: AI Titan Parent, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 61.5 [4],[5] 61.5 [1],[2]
Investment, Identifier [Axis]: AMCP Clean Acquisition Company, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.0 4.0
Investment, Identifier [Axis]: AMCP Clean Acquisition Company, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 10.3 [4],[5] 10.3 [1],[2]
Investment, Identifier [Axis]: AMCP Clean Acquisition Company, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 2.4 [4],[5] 0.4 [1],[2]
Investment, Identifier [Axis]: AP Adhesives Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 16.5  
Investment, Identifier [Axis]: AP Adhesives Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 33.0  
Investment, Identifier [Axis]: AP Adhesives Holdings, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.2  
Investment, Identifier [Axis]: APG Intermediate Holdings Corporation and APG Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   0.1
Investment, Identifier [Axis]: APG Intermediate Holdings Corporation and APG Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   13.1
Investment, Identifier [Axis]: API Commercial Inc., API Military Inc., and API Space Intermediate, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[8]   6.6
Investment, Identifier [Axis]: API Military Inc. and Allclear Group LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.4  
Investment, Identifier [Axis]: API Military Inc. and Allclear Group LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [5],[12] 1.6  
Investment, Identifier [Axis]: API Military Inc. and Allclear Group LLC, First lien senior secured loan1    
Schedule of Investments [Line Items]    
Principal [5] 0.5  
Investment, Identifier [Axis]: API Military Inc. and Allclear Group LLC, First lien senior secured loan2    
Schedule of Investments [Line Items]    
Principal [5] 2.8  
Investment, Identifier [Axis]: AQ Sage Buyer, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.4 0.3
Investment, Identifier [Axis]: AQ Sage Buyer, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 3.5 [4],[5],[6] 3.6 [1],[2],[3]
Investment, Identifier [Axis]: AQ Sage Buyer, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.3 [4],[5],[6] 0.4 [1],[2],[3]
Investment, Identifier [Axis]: AQ Sunshine, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 29.0 36.4
Investment, Identifier [Axis]: AQ Sunshine, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 108.8 [4],[5] 102.7 [1],[2]
Investment, Identifier [Axis]: AQ Sunshine, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 1.9 [4],[5],[7] 1.1 [1],[2],[11]
Investment, Identifier [Axis]: ASP-r-pac Acquisition CO LLC and ASP-r-pac Holdings LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.7 5.0
Investment, Identifier [Axis]: ASP-r-pac Acquisition CO LLC and ASP-r-pac Holdings LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: ASP-r-pac Acquisition CO LLC and ASP-r-pac Holdings LP, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 3.3 [4],[5] 3.3 [1],[2]
Investment, Identifier [Axis]: ASP-r-pac Acquisition CO LLC and ASP-r-pac Holdings LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 3.5 [4],[5] 1.2 [1],[2]
Investment, Identifier [Axis]: ATI Restoration, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 32.5 33.9
Investment, Identifier [Axis]: ATI Restoration, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 32.1 [4],[5] 32.3 [1],[2]
Investment, Identifier [Axis]: ATI Restoration, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 47.7 [4],[5] 47.9 [1],[2]
Investment, Identifier [Axis]: ATI Restoration, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 11.8 [4],[5] 10.4 [1],[2]
Investment, Identifier [Axis]: ATI Restoration, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 8.7 [4],[5],[7] 8.7 [1],[2],[11]
Investment, Identifier [Axis]: Absolute Dental Group LLC and Absolute Dental Equity, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.3 1.1
Investment, Identifier [Axis]: Absolute Dental Group LLC and Absolute Dental Equity, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 43.4 [4],[5] 41.3 [1],[2]
Investment, Identifier [Axis]: Absolute Dental Group LLC and Absolute Dental Equity, LLC, First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal 3.0 [4],[5] 14.5 [1],[2]
Investment, Identifier [Axis]: Absolute Dental Group LLC and Absolute Dental Equity, LLC, First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5] 17.0  
Investment, Identifier [Axis]: Accession Risk Management Group, Inc. and RSC Insurance Brokerage, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 9.4 14.1
Investment, Identifier [Axis]: Accession Risk Management Group, Inc. and RSC Insurance Brokerage, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 37.4 [4],[5] 37.6 [1],[2]
Investment, Identifier [Axis]: Accession Risk Management Group, Inc. and RSC Insurance Brokerage, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 10.2 [4],[5] 10.2 [1],[2]
Investment, Identifier [Axis]: Accession Risk Management Group, Inc. and RSC Insurance Brokerage, Inc., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 0.3 [4],[5] 0.3 [1],[2]
Investment, Identifier [Axis]: Accession Risk Management Group, Inc. and RSC Insurance Brokerage, Inc., First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal 6.8 [4],[5] 2.2 [1],[2]
Investment, Identifier [Axis]: Accommodations Plus Technologies LLC and Accommodations Plus Technologies Holdings LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 12.0 4.1
Investment, Identifier [Axis]: Accommodations Plus Technologies LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 78.0  
Investment, Identifier [Axis]: Acrisure, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 0.2 [5],[10] 0.2 [1],[9]
Investment, Identifier [Axis]: Actfy Buyer, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 18.6 24.8
Investment, Identifier [Axis]: Actfy Buyer, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 62.9 [4],[5] 57.0 [1],[2]
Investment, Identifier [Axis]: Activate Holdings (US) Corp. and CrossPoint Capital AS SPV, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.6 3.6
Investment, Identifier [Axis]: Activate Holdings (US) Corp. and CrossPoint Capital AS SPV, LP ., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 42.3  
Investment, Identifier [Axis]: Activate Holdings (US) Corp. and CrossPoint Capital AS SPV, LP ., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 6.9  
Investment, Identifier [Axis]: Activate Holdings (US) Corp. and CrossPoint Capital AS SPV, LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   42.5
Investment, Identifier [Axis]: Activate Holdings (US) Corp. and CrossPoint Capital AS SPV, LP, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   6.9
Investment, Identifier [Axis]: Adonis Acquisition Holdings LLC and Adonis Acquisition Holdings Parent LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.1  
Investment, Identifier [Axis]: Adonis Acquisition Holdings LLC and Adonis Acquisition Holdings Parent LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 12.7  
Investment, Identifier [Axis]: Adonis Acquisition Holdings LLC and Adonis Acquisition Holdings Parent LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.4  
Investment, Identifier [Axis]: Adonis Bidco Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 84.6  
Investment, Identifier [Axis]: Adonis Bidco Inc.., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 11.1  
Investment, Identifier [Axis]: Adonis Bidco Inc.., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 231.9  
Investment, Identifier [Axis]: Aduro Advisors, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.3 7.4
Investment, Identifier [Axis]: Aduro Advisors, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 8.2 [4],[5] 8.3 [1],[2]
Investment, Identifier [Axis]: Advarra Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.4 0.4
Investment, Identifier [Axis]: Advarra Holdings, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 4.0 [4],[5] 4.0 [1],[2]
Investment, Identifier [Axis]: Aerin Medical Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 6.5 6.5
Investment, Identifier [Axis]: Aerin Medical Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 13.3 [4],[5] 13.1 [1],[2]
Investment, Identifier [Axis]: Aero Operating LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 36.2  
Investment, Identifier [Axis]: Aero Operating LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 1.1 [4],[5] 36.2 [1],[2]
Investment, Identifier [Axis]: Aero Operating LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   1.1
Investment, Identifier [Axis]: Aimbridge Acquisition Co., Inc., Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[8]   22.5
Investment, Identifier [Axis]: Airx Climate Solutions, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 9.9 9.9
Investment, Identifier [Axis]: Airx Climate Solutions, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 9.8 [4],[5] 9.7 [1],[2]
Investment, Identifier [Axis]: Airx Climate Solutions, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 9.6  
Investment, Identifier [Axis]: Airx Climate Solutions, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   9.8
Investment, Identifier [Axis]: Alcami Corporation and ACM Note Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.9 1.8
Investment, Identifier [Axis]: Alcami Corporation and ACM Note Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 9.9 [4],[5] 10.0 [1],[2]
Investment, Identifier [Axis]: Alcami Corporation and ACM Note Holdings, LLC, Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal 23.2 [5] 23.2 [1]
Investment, Identifier [Axis]: Alcami Corporation and ACM Note Holdings, LLC., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.1
Investment, Identifier [Axis]: Aldinger Company Inc    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 7.2 5.1
Investment, Identifier [Axis]: Aldinger Company Inc, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   32.0
Investment, Identifier [Axis]: Aldinger Company Inc, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 35.8  
Investment, Identifier [Axis]: Aldinger Company Inc, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5] 4.5  
Investment, Identifier [Axis]: Aldinger Company Inc, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.3  
Investment, Identifier [Axis]: Alera Group, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   0.6
Investment, Identifier [Axis]: Alera Group, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   46.0
Investment, Identifier [Axis]: Alera Group, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   11.3
Investment, Identifier [Axis]: Align Precision Group, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.1  
Investment, Identifier [Axis]: Align Precision Group, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [5],[12] 27.1  
Investment, Identifier [Axis]: Align Precision Group, LLC, First lien senior secured loan1    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.4  
Investment, Identifier [Axis]: American Residential Services L.L.C. and Aragorn Parent Holdings LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   7.3
Investment, Identifier [Axis]: American Residential Services L.L.C. and Aragorn Parent Holdings LP ,First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [1]   1.6
Investment, Identifier [Axis]: American Residential Services L.L.C. and Aragorn Parent Holdings LP ,First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [1]   1.1
Investment, Identifier [Axis]: American Residential Services L.L.C. and Aragorn Parent Holdings LP, Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   5.9
Investment, Identifier [Axis]: Amerivet Partners Management, Inc. and AVE Holdings LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   6.3
Investment, Identifier [Axis]: Amerivet Partners Management, Inc. and AVE Holdings LP, Subordinated loan    
Schedule of Investments [Line Items]    
Principal 71.8 [5] 66.2 [1]
Investment, Identifier [Axis]: Anaplan, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.4 1.4
Investment, Identifier [Axis]: Anaplan, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 5.8  
Investment, Identifier [Axis]: Anaplan, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   1.8
Investment, Identifier [Axis]: Anaplan, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   4.1
Investment, Identifier [Axis]: Anaqua Parent Holdings, Inc. & Astorg VII Co-Invest Anaqua    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   55.4
Investment, Identifier [Axis]: Anaqua Parent Holdings, Inc. & Astorg VII Co-Invest Anaqua, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1]   7.5
Investment, Identifier [Axis]: Anaqua Parent Holdings, Inc. & Astorg VII Co-Invest Anaqua, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   3.7
Investment, Identifier [Axis]: Anaqua Parent Holdings, Inc. & Astorg VII Co-Invest Anaqua, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [1],[2]   5.4
Investment, Identifier [Axis]: Apex Service Partners, LLC and Apex Service Partners Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 8.2 55.8
Investment, Identifier [Axis]: Apex Service Partners, LLC and Apex Service Partners Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 200.9 [4],[5] 198.3 [1],[2]
Investment, Identifier [Axis]: Apex Service Partners, LLC and Apex Service Partners Holdings, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.0 [4],[5],[13] 5.9 [1],[2],[11]
Investment, Identifier [Axis]: Applied Technical Services, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   3.0
Investment, Identifier [Axis]: Applied Technical Services, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   1.0
Investment, Identifier [Axis]: Applied Technical Services, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   2.8
Investment, Identifier [Axis]: Applied Technical Services, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [1],[2]   2.6
Investment, Identifier [Axis]: Applied Technical Services, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   6.6
Investment, Identifier [Axis]: Appriss Health, LLC and Appriss Health Intermediate Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.1 0.1
Investment, Identifier [Axis]: Appriss Health, LLC and Appriss Health Intermediate Holdings, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 2.8 [4],[5] 5.5 [1],[2]
Investment, Identifier [Axis]: Aptean, Inc. and Aptean Acquiror Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.2 0.8
Investment, Identifier [Axis]: Aptean, Inc. and Aptean Acquiror Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 30.5 [4],[5] 18.4 [1],[2]
Investment, Identifier [Axis]: Ardonagh Midco 2 plc and Ardonagh Midco 3 plc, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[3]   25.2
Investment, Identifier [Axis]: Ardonagh Midco 2 plc and Ardonagh Midco 3 plc, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   76.6
Investment, Identifier [Axis]: Ardonagh Midco 3 Limited, Ardonagh Group Finco Pty Limited, and MDCP Co-Investors (Jade I), L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [5],[6],[10] 49.9  
Investment, Identifier [Axis]: Argenbright Holdings V, LLC, Amberstone Security Group Limited, Unifi Aviation North America LLC and Unifi Aviation Canada, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   11.3
Investment, Identifier [Axis]: Argenbright Holdings V, LLC, Amberstone Security Group Limited, Unifi Aviation North America LLC and Unifi Aviation Canada, Inc. Senior subordinated loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 2.1  
Investment, Identifier [Axis]: Argenbright Holdings V, LLC, Amberstone Security Group Limited, Unifi Aviation North America LLC and Unifi Aviation Canada, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 49.0 [4],[5],[6] 53.2 [1],[2],[3]
Investment, Identifier [Axis]: Argenbright Holdings V, LLC, Amberstone Security Group Limited, Unifi Aviation North America LLC and Unifi Aviation Canada, Inc., Senior subordinated loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   0.7
Investment, Identifier [Axis]: Argenbright Holdings V, LLC, Amberstone Security Group Limited, Unifi Aviation North America LLC and Unifi Aviation Canada, Inc., Senior subordinated loan 2    
Schedule of Investments [Line Items]    
Principal 7.0 [4],[5],[6] 1.4 [1],[2],[3]
Investment, Identifier [Axis]: Argenbright Holdings V, LLC, Amberstone Security Group Limited, Unifi Aviation North America LLC and Unifi Aviation Canada, Inc., Senior subordinated loan 3    
Schedule of Investments [Line Items]    
Principal 1.5 [4],[5],[6] 6.8 [1],[2],[3]
Investment, Identifier [Axis]: Arrowhead Holdco Company and Arrowhead GS Holdings, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: Artifact Bidco, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 6.9 6.9
Investment, Identifier [Axis]: Artifact Bidco, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   18.9
Investment, Identifier [Axis]: Artifact Bidco, Inc.., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 18.9  
Investment, Identifier [Axis]: Artivion, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 6.9 6.9
Investment, Identifier [Axis]: Artivion, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 11.5 [4],[5],[6] 11.5 [1],[2],[3]
Investment, Identifier [Axis]: Artivion, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.9 [4],[5],[6] 0.9 [1],[2],[3]
Investment, Identifier [Axis]: AthenaHealth Group Inc., Minerva Holdco, Inc. and BCPE Co-Invest (A), LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 9.0 1.2
Investment, Identifier [Axis]: AthenaHealth Group Inc., Minerva Holdco, Inc. and BCPE Co-Invest (A), LP (1)    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   9.0
Investment, Identifier [Axis]: AthenaHealth Group Inc., Minerva Holdco, Inc. and BCPE Co-Invest (A), LP 1    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.2  
Investment, Identifier [Axis]: AthenaHealth Group Inc., Minerva Holdco, Inc. and BCPE Co-Invest (A), LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5],[10] 0.1 [1],[2],[9]
Investment, Identifier [Axis]: Auctane, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 143.4 [4],[5] 143.8 [1],[2]
Investment, Identifier [Axis]: Automotive Keys Group, LLC and Automotive Keys Investor, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: Automotive Keys Group, LLC and Automotive Keys Investor, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 4.4 [4],[5] 4.7 [1],[2]
Investment, Identifier [Axis]: Avalara, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   2.7
Investment, Identifier [Axis]: Avalara, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   72.2
Investment, Identifier [Axis]: Avalign Holdings, Inc. and Avalign Technologies, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.7 3.7
Investment, Identifier [Axis]: Avalign Holdings, Inc. and Avalign Technologies, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 39.4 [4],[5] 38.9 [1],[2]
Investment, Identifier [Axis]: Avalign Holdings, Inc. and Avalign Technologies, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 1.6 [4],[5] 1.6 [1],[2]
Investment, Identifier [Axis]: Aventine Intermediate LLC & Aventine Holdings II LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 10.6 [4],[5] 10.4 [1],[2]
Investment, Identifier [Axis]: Aventine Intermediate LLC & Aventine Holdings II LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1]   48.1
Investment, Identifier [Axis]: Aventine Intermediate LLC & Aventine Holdings II LLC, Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [5] 50.6  
Investment, Identifier [Axis]: BAART Programs, Inc., MedMark Services, Inc., and Canadian Addiction Treatment Centres LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 5.8 [4],[5] 5.9 [1],[2]
Investment, Identifier [Axis]: BCC Blueprint Holdings I, LLC and BCC Blueprint Investments, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 0.2 [4],[5] 0.2 [1],[2]
Investment, Identifier [Axis]: BCC Blueprint Holdings I, LLC and BCC Blueprint Investments, LLC, Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal 6.3 [5] 6.0 [1]
Investment, Identifier [Axis]: BCPE Pequod Buyer, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 8.6 8.6
Investment, Identifier [Axis]: BCPE Pequod Buyer, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 1.0 [5],[10] 1.0 [1],[9]
Investment, Identifier [Axis]: BCTO Ignition Purchaser, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   4.0
Investment, Identifier [Axis]: BCTO Ignition Purchaser, Inc., Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 4.2  
Investment, Identifier [Axis]: BCTO Ignition Purchaser, Inc., Senior subordinated loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 2.4  
Investment, Identifier [Axis]: BGI Purchaser, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 23.7 24.8
Investment, Identifier [Axis]: BGI Purchaser, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 10.5 [4],[5] 41.2 [1],[2]
Investment, Identifier [Axis]: BGI Purchaser, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 11.6 [4],[5] 10.5 [1],[2]
Investment, Identifier [Axis]: BGIF IV Fearless Utility Services, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 15.0 15.0
Investment, Identifier [Axis]: BGIF IV Fearless Utility Services, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 35.1 [4],[5] 35.2 [1],[2]
Investment, Identifier [Axis]: BGIF IV Fearless Utility Services, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.0 [5],[13] 0.0 [1],[2],[14]
Investment, Identifier [Axis]: BNZ TopCo B.V.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 22.6 19.9
Investment, Identifier [Axis]: BNZ TopCo B.V., Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   11.8
Investment, Identifier [Axis]: BNZ TopCo B.V.,Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 13.4  
Investment, Identifier [Axis]: BR PJK Produce, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 4.0 [4],[5] 4.0 [1],[2]
Investment, Identifier [Axis]: BR PJK Produce, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.7 [4],[5] 0.7 [1],[2]
Investment, Identifier [Axis]: BVI Medical, Inc. and BVI Group Limited    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 17.1  
Investment, Identifier [Axis]: BVI Medical, Inc. and BVI Group Limited, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 138.1  
Investment, Identifier [Axis]: Bad Vibes Forever, LLC and Bad Vibes Forever Publishing, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [5] 20.4  
Investment, Identifier [Axis]: Badia Spices, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 16.8 16.8
Investment, Identifier [Axis]: Badia Spices, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 121.7 [4],[5] 122.0 [1],[2]
Investment, Identifier [Axis]: Balrog Acquisition, Inc., Balrog Topco, Inc. and Balrog Parent, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 16.2 [4],[5] 16.3 [1],[2]
Investment, Identifier [Axis]: Balrog Acquisition, Inc., Balrog Topco, Inc. and Balrog Parent, L.P., Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 29.5 [4],[5] 29.5 [1],[2]
Investment, Identifier [Axis]: Bamboo Purchaser, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 17.5 [4],[5] 17.6 [1],[2]
Investment, Identifier [Axis]: Bamboo US BidCo LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 17.2 19.4
Investment, Identifier [Axis]: Bamboo US BidCo LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 34.2 [4],[5] 32.5 [1],[2]
Investment, Identifier [Axis]: Bamboo US BidCo LLC, First lien senior secured loan1    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.3  
Investment, Identifier [Axis]: Banyan Software Holdings, LLC and Banyan Software Intermediate, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 48.0  
Investment, Identifier [Axis]: Banyan Software Holdings, LLC and Banyan Software Intermediate, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 1.2  
Investment, Identifier [Axis]: Banyan Software Holdings, LLC and Banyan Software Intermediate, Inc.., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 122.4  
Investment, Identifier [Axis]: Banyan Software Holdings, LLC and Banyan Software, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   11.5
Investment, Identifier [Axis]: Banyan Software Holdings, LLC and Banyan Software, LP, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   1.0
Investment, Identifier [Axis]: Banyan Software Holdings, LLC and Banyan Software, LP, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   0.2
Investment, Identifier [Axis]: Banyan Software Holdings, LLC and Banyan Software, LP, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   10.4
Investment, Identifier [Axis]: Banyan Software Holdings, LLC and Banyan Software, LP, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   43.0
Investment, Identifier [Axis]: Banyan Software Holdings, LLC and Banyan Software, LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   1.0
Investment, Identifier [Axis]: Beacon Pointe Harmony, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 9.3 9.3
Investment, Identifier [Axis]: Beacon Pointe Harmony, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 19.5 [4],[5],[6] 5.5 [1],[2],[3]
Investment, Identifier [Axis]: Beacon Pointe Harmony, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 3.8 [4],[5],[6] 14.1 [1],[2],[3]
Investment, Identifier [Axis]: Beacon Pointe Harmony, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 2.2 [4],[5],[6] 3.8 [1],[2],[3]
Investment, Identifier [Axis]: Beacon Pointe Harmony, LLC, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   2.2
Investment, Identifier [Axis]: Beacon Wellness Brands, Inc. and CDI Holdings I Corp.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.5 0.5
Investment, Identifier [Axis]: Beacon Wellness Brands, Inc. and CDI Holdings I Corp., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 3.7 [4],[5] 3.7 [1],[2]
Investment, Identifier [Axis]: Belfor Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 52.3 52.3
Investment, Identifier [Axis]: Belfor Holdings, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.0 [5],[13] 0.0 [1],[14]
Investment, Identifier [Axis]: Bellwether Buyer, L.L.C. and Bellwether Topco V Buyer, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 10.9  
Investment, Identifier [Axis]: Benecon Midco II LLC and Benecon Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 8.7 8.7
Investment, Identifier [Axis]: Benecon Midco II LLC and Benecon Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 82.7 [4],[5] 83.1 [1],[2]
Investment, Identifier [Axis]: Benecon Midco II LLC and Benecon Holdings, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 14.7  
Investment, Identifier [Axis]: Berner Food & Beverage, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.2 1.7
Investment, Identifier [Axis]: Berner Food & Beverage, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 1.4  
Investment, Identifier [Axis]: Berner Food & Beverage, LLC, First lien senior secured revolving 1 loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.3  
Investment, Identifier [Axis]: Berner Food & Beverage, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 1.4 [1],[2]
Investment, Identifier [Axis]: BlueHalo Financing Holdings, LLC, BlueHalo Global Holdings, LLC, and BlueHalo, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   0.2
Investment, Identifier [Axis]: BlueHalo Financing Holdings, LLC, BlueHalo Global Holdings, LLC, and BlueHalo, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   1.8
Investment, Identifier [Axis]: BlueHalo Financing Holdings, LLC, BlueHalo Global Holdings, LLC, and BlueHalo, LLC, First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2],[11]   2.7
Investment, Identifier [Axis]: Bluejack Fire Acquisition, Inc. and Bluejack Fire Holdings LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 12.0  
Investment, Identifier [Axis]: Bluejack Fire Acquisition, Inc. and Bluejack Fire Holdings LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 6.9  
Investment, Identifier [Axis]: Bobcat Purchaser, LLC and Bobcat Topco, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.5 2.5
Investment, Identifier [Axis]: Bobcat Purchaser, LLC and Bobcat Topco, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 15.6 [4],[5] 15.7 [1],[2]
Investment, Identifier [Axis]: Borrower R365 Holdings LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.5 1.5
Investment, Identifier [Axis]: Borrower R365 Holdings LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 15.9 [4],[5] 15.9 [1],[2]
Investment, Identifier [Axis]: Borrower R365 Holdings LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 1.9 [4],[5] 1.9 [1],[2]
Investment, Identifier [Axis]: Bottomline Technologies, Inc. and Legal Spend Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.6 2.3
Investment, Identifier [Axis]: Bottomline Technologies, Inc. and Legal Spend Holdings, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   8.0
Investment, Identifier [Axis]: Bottomline Technologies, Inc. and Legal Spend Holdings, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   4.2
Investment, Identifier [Axis]: Bottomline Technologies, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 16.6  
Investment, Identifier [Axis]: BradyIFS Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.5  
Investment, Identifier [Axis]: BradyPlus Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   3.0
Investment, Identifier [Axis]: BradyPlus Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 128.5  
Investment, Identifier [Axis]: BradyPlus Holdings, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   127.9
Investment, Identifier [Axis]: BradyPlus Holdings, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.8
Investment, Identifier [Axis]: Bragg Live Food Products, LLC and SPC Investment Co., L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.4 4.4
Investment, Identifier [Axis]: Bragg Live Food Products, LLC and SPC Investment Co., L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 20.1 [4],[5] 23.1 [1],[2]
Investment, Identifier [Axis]: BrightStar Group Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.4  
Investment, Identifier [Axis]: BrightStar Group Holdings, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 27.0  
Investment, Identifier [Axis]: BrightStar Group Holdings, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.2  
Investment, Identifier [Axis]: Broadcast Music, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   4.2
Investment, Identifier [Axis]: Broadcast Music, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   21.2
Investment, Identifier [Axis]: Bulab Holdings, Inc. and Buckman PPC Co-Invest LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 17.5  
Investment, Identifier [Axis]: Bulab Holdings, Inc. and Buckman PPC Co-Invest LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 10.1  
Investment, Identifier [Axis]: Bulab Holdings, Inc. and Buckman PPC Co-Invest LP, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 52.8  
Investment, Identifier [Axis]: Burgess Point Purchaser Corporation, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 21.7 [4],[5],[10] 21.8 [1],[2],[9]
Investment, Identifier [Axis]: Businessolver.com, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.4 1.5
Investment, Identifier [Axis]: Businessolver.com, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 1.7 [4],[5] 0.6 [1],[2]
Investment, Identifier [Axis]: CCreek Parent, Inc. and Creek Feeder, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 208.2  
Investment, Identifier [Axis]: CMG HoldCo, LLC and CMG Buyer Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 21.1 30.2
Investment, Identifier [Axis]: CMG HoldCo, LLC and CMG Buyer Holdings, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 30.5 [4],[5] 30.7 [1],[2]
Investment, Identifier [Axis]: CMG HoldCo, LLC and CMG Buyer Holdings, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 3.0 [4],[5] 9.6 [1],[2]
Investment, Identifier [Axis]: CMG HoldCo, LLC and CMG Buyer Holdings, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 6.3  
Investment, Identifier [Axis]: CMG HoldCo, LLC and CMG Buyer Holdings, Inc., First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   3.4
Investment, Identifier [Axis]: CPIG Holdco Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 14.5 [4],[5] 14.6 [1],[2]
Investment, Identifier [Axis]: CST Holding Company    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.9 1.9
Investment, Identifier [Axis]: CST Holding Company, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.1
Investment, Identifier [Axis]: CST Holding Company, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 11.5  
Investment, Identifier [Axis]: CST Holding Company, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.1  
Investment, Identifier [Axis]: CST Holding Company, First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   11.5
Investment, Identifier [Axis]: CVP Holdco, Inc. and OMERS Wildcats Investment Holdings LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 47.7 56.4
Investment, Identifier [Axis]: CVP Holdco, Inc. and OMERS Wildcats Investment Holdings LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 31.4 [4],[5] 159.2 [1],[2]
Investment, Identifier [Axis]: Capstone Acquisition Holdings, Inc. and Capstone Parent Holdings, LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 6.6 [4],[5] 6.6 [1],[2]
Investment, Identifier [Axis]: Capstone Acquisition Holdings, Inc. and Capstone Parent Holdings, LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [5],[13] 0.0  
Investment, Identifier [Axis]: Capstone Acquisition Holdings, Inc. and Capstone Parent Holdings, LP, Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 87.5 [4],[5] 87.5 [1],[2]
Investment, Identifier [Axis]: Capstone Acquisition Holdings, Inc., Capstone Logistics Holdings, Inc. and Capstone Parent Holdings, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 11.9 13.8
Investment, Identifier [Axis]: Capstone Acquisition Holdings, Inc., Capstone Logistics Holdings, Inc. and Capstone Parent Holdings, LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[14]   0.0
Investment, Identifier [Axis]: Captive Resources Midco, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.6 1.6
Investment, Identifier [Axis]: Captive Resources Midco, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 5.9 [4],[5] 6.0 [1],[2]
Investment, Identifier [Axis]: Cardinal Parent, Inc. and Packers Software Intermediate Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.0 5.0
Investment, Identifier [Axis]: Cardinal Parent, Inc. and Packers Software Intermediate Holdings, Inc. Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   64.3
Investment, Identifier [Axis]: Cardinal Parent, Inc. and Packers Software Intermediate Holdings, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[9]   11.0
Investment, Identifier [Axis]: Cardinal Parent, Inc. and Packers Software Intermediate Holdings, Inc., First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5],[10] 16.7  
Investment, Identifier [Axis]: Cardinal Parent, Inc. and Packers Software Intermediate Holdings, Inc., Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 71.6  
Investment, Identifier [Axis]: Center for Autism and Related Disorders, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   0.0
Investment, Identifier [Axis]: Center for Autism and Related Disorders, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[8]   1.5
Investment, Identifier [Axis]: Center for Autism and Related Disorders, LLC, First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [1],[8],[11]   6.8
Investment, Identifier [Axis]: Center for Autism and Related Disorders, LLC, First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [1],[8],[11]   1.0
Investment, Identifier [Axis]: Centralsquare Technologies, LLC and Supermoose Newco, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 15.4 15.4
Investment, Identifier [Axis]: Centralsquare Technologies, LLC and Supermoose Newco, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 143.8 [4],[5] 141.9 [1],[2]
Investment, Identifier [Axis]: Centralsquare Technologies, LLC and Supermoose Newco, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.0 [4],[5],[13] 0.0 [1],[2],[14]
Investment, Identifier [Axis]: Centric Brands LLC, Centric Brands TopCo, LLC, and Centric Brands L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 28.4 [4],[5] 28.4 [1],[2]
Investment, Identifier [Axis]: Centric Brands LLC, Centric Brands TopCo, LLC, and Centric Brands L.P., Senior subordinated loan 1    
Schedule of Investments [Line Items]    
Principal 28.3 [4],[5] 26.6 [1],[2]
Investment, Identifier [Axis]: Centric Brands LLC, Centric Brands TopCo, LLC, and Centric Brands L.P., Senior subordinated loan 2    
Schedule of Investments [Line Items]    
Principal 24.0 [4],[5] 29.3 [1],[2]
Investment, Identifier [Axis]: Chariot Buyer LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 12.3 12.3
Investment, Identifier [Axis]: Chariot Buyer LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[9]   0.1
Investment, Identifier [Axis]: Chariot Buyer LLC, Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[10] 0.1  
Investment, Identifier [Axis]: City Line Distributors LLC and City Line Investments LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.7 2.7
Investment, Identifier [Axis]: City Line Distributors LLC and City Line Investments LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 4.4 [4],[5] 4.4 [1],[2]
Investment, Identifier [Axis]: Clarion Home Services Group, LLC and LBC Breeze Holdings LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.6 0.7
Investment, Identifier [Axis]: Clarion Home Services Group, LLC and LBC Breeze Holdings LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 3.4 [4],[5] 3.3 [1],[2]
Investment, Identifier [Axis]: Clarion Home Services Group, LLC and LBC Breeze Holdings LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 6.7 [4],[5] 1.6 [1],[2]
Investment, Identifier [Axis]: Clarion Home Services Group, LLC and LBC Breeze Holdings LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [1],[2]   4.9
Investment, Identifier [Axis]: Clarion Home Services Group, LLC and LBC Breeze Holdings LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.7
Investment, Identifier [Axis]: Clarion Home Services Group, LLC and LBC Breeze Holdings LLC, First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.7  
Investment, Identifier [Axis]: Clarion Home Services Group, LLC and LBC Breeze Holdings LLC, First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.1  
Investment, Identifier [Axis]: Clearstead Advisors, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.3  
Investment, Identifier [Axis]: Clearstead Advisors, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 8.4  
Investment, Identifier [Axis]: Clearstead Advisors, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 0.3  
Investment, Identifier [Axis]: Cliffwater LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   1.0
Investment, Identifier [Axis]: Cliffwater LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   4.0
Investment, Identifier [Axis]: Cloud Software Group, Inc., Picard Parent, Inc., Cloud Software Group Holdings, Inc., Picard HoldCo, LLC and Elliott Alto Co-Investor Aggregator L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 19.0 19.0
Investment, Identifier [Axis]: Cloud Software Group, Inc., Picard Parent, Inc., Cloud Software Group Holdings, Inc., Picard HoldCo, LLC and Elliott Alto Co-Investor Aggregator L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[9]   3.5
Investment, Identifier [Axis]: Cloud Software Group, Inc., Picard Parent, Inc., Cloud Software Group Holdings, Inc., Picard HoldCo, LLC and Elliott Alto Co-Investor Aggregator L.P., First lien senior secured notes    
Schedule of Investments [Line Items]    
Principal [1],[9]   86.5
Investment, Identifier [Axis]: Cloud Software Group, Inc., Picard Parent, Inc., Cloud Software Group Holdings, Inc., Picard HoldCo, LLC and Elliott Alto Co-Investor Aggregator L.P., Second lien senior secured notes    
Schedule of Investments [Line Items]    
Principal [1],[9]   121.0
Investment, Identifier [Axis]: Cloud Software Group, Inc., Picard Parent, Inc., Cloud Software Group Holdings, Inc., Picard HoldCo, LLC and Elliott Alto Co-Investor Aggregator L.P.., Second lien senior secured notes    
Schedule of Investments [Line Items]    
Principal [5],[10] 121.0  
Investment, Identifier [Axis]: Cobalt Buyer Sub, Inc., Cobalt Holdings I, LP, and Cobalt Intermediate I, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 19.0 20.4
Investment, Identifier [Axis]: Cobalt Buyer Sub, Inc., Cobalt Holdings I, LP, and Cobalt Intermediate I, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   31.1
Investment, Identifier [Axis]: Cobalt Buyer Sub, Inc., Cobalt Holdings I, LP, and Cobalt Intermediate I, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   11.4
Investment, Identifier [Axis]: Cobalt Buyer Sub, Inc., Cobalt Holdings I, LP, and Cobalt Intermediate I, Inc., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [1],[2]   6.9
Investment, Identifier [Axis]: Cobalt Buyer Sub, Inc., Cobalt Holdings I, LP, and Cobalt Intermediate I, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.7
Investment, Identifier [Axis]: Cobalt Buyer Sub, Inc., Cobalt Holdings I, LP, and Cobalt Intermediate I, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 31.0  
Investment, Identifier [Axis]: Cobalt Buyer Sub, Inc., Cobalt Holdings I, LP, and Cobalt Intermediate I, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5] 11.4  
Investment, Identifier [Axis]: Cobalt Buyer Sub, Inc., Cobalt Holdings I, LP, and Cobalt Intermediate I, Inc., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [4],[5] 6.9  
Investment, Identifier [Axis]: Cobalt Buyer Sub, Inc., Cobalt Holdings I, LP, and Cobalt Intermediate I, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 2.1  
Investment, Identifier [Axis]: Collision SP Subco, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 6.9 2.0
Investment, Identifier [Axis]: Collision SP Subco, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 0.2 [4],[5] 6.9 [1],[2]
Investment, Identifier [Axis]: Collision SP Subco, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 9.7 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: Color Intermediate, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 19.9 [4],[5] 20.0 [1],[2]
Investment, Identifier [Axis]: Compex Legal Services, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.4 1.8
Investment, Identifier [Axis]: Compex Legal Services, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 1.9 [4],[5] 1.9 [1],[2]
Investment, Identifier [Axis]: Compex Legal Services, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 2.2  
Investment, Identifier [Axis]: Compex Legal Services, Inc., First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   1.8
Investment, Identifier [Axis]: Comprehensive EyeCare Partners, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.0 0.0
Investment, Identifier [Axis]: Comprehensive EyeCare Partners, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 0.3 [4],[5] 0.3 [1],[2]
Investment, Identifier [Axis]: Comprehensive EyeCare Partners, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 2.0 [4],[5] 2.0 [1],[2]
Investment, Identifier [Axis]: Computer Services, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 38.5 38.5
Investment, Identifier [Axis]: Computer Services, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 33.3  
Investment, Identifier [Axis]: Computer Services, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 5.3 [4],[5] 33.5 [1],[2]
Investment, Identifier [Axis]: Computer Services, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: Computer Services, Inc., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [1],[2]   5.4
Investment, Identifier [Axis]: Concert Golf Partners Holdco LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 57.4 34.6
Investment, Identifier [Axis]: Concert Golf Partners Holdco LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 4.0 [4],[5] 36.9 [1],[2]
Investment, Identifier [Axis]: Concert Golf Partners Holdco LLC, First lien senior secured loan1    
Schedule of Investments [Line Items]    
Principal [4],[5] 34.6  
Investment, Identifier [Axis]: Conservice Midco, LLC., Second lien senior secured notes    
Schedule of Investments [Line Items]    
Principal [1]   15.5
Investment, Identifier [Axis]: Consilio Midco Limited, Compusoft US LLC, and Consilio Investment Holdings, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   5.2
Investment, Identifier [Axis]: Consilio Midco Limited, Compusoft US LLC, and Consilio Investment Holdings, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   73.3
Investment, Identifier [Axis]: Consilio Midco Limited, Compusoft US LLC, and Consilio Investment Holdings, L.P., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   0.4
Investment, Identifier [Axis]: Consilio Midco Limited, Compusoft US LLC, and Consilio Investment Holdings, L.P., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   28.0
Investment, Identifier [Axis]: Consilio Midco Limited, Compusoft US LLC, and Consilio Investment Holdings, L.P., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   11.5
Investment, Identifier [Axis]: Consilio Midco Limited, Compusoft US LLC, and Consilio Investment Holdings, L.P., First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   3.8
Investment, Identifier [Axis]: Consilio Midco Limited, Compusoft US LLC, and Consilio Investment Holdings, L.P., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   5.9
Investment, Identifier [Axis]: Consilio Midco Limited, Compusoft US LLC, and Consilio Investment Holdings, L.P., First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   1.2
Investment, Identifier [Axis]: Consilio Midco Limited, Compusoft US LLC, and Consilio Investment Holdings, L.P., First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   2.4
Investment, Identifier [Axis]: Constellation Wealth Capital Fund, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.8 2.8
Investment, Identifier [Axis]: Continental Acquisition Holdings, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 39.3 [5],[12] 37.8 [1],[2]
Investment, Identifier [Axis]: Continental Acquisition Holdings, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 5.8 [5],[12] 5.6 [1],[2]
Investment, Identifier [Axis]: Convera International Holdings Limited and Convera International Financial S.A R.L.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.3 2.3
Investment, Identifier [Axis]: Convera International Holdings Limited and Convera International Financial S.A R.L., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5],[6] 0.1 [1],[2],[3]
Investment, Identifier [Axis]: Convera International Holdings Limited and Convera International Financial S.A R.L., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5],[6] 0.1 [1],[2],[3]
Investment, Identifier [Axis]: Convera International Holdings Limited and Convera International Financial S.A R.L., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 8.8 [4],[5],[6] 8.8 [1],[2],[3]
Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 1.9  
Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   1.9
Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5],[6] 0.1 [1],[2],[3]
Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5],[6] 0.1 [1],[2],[3]
Investment, Identifier [Axis]: CoreLogic, Inc. and T-VIII Celestial Co-Invest LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 26.2 38.9
Investment, Identifier [Axis]: CoreLogic, Inc. and T-VIII Celestial Co-Invest LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[10] 12.7  
Investment, Identifier [Axis]: CoreLogic, Inc. and T-VIII Celestial Co-Invest LP, Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 155.7 [4],[5],[10] 155.7 [1],[2]
Investment, Identifier [Axis]: Cority Software Inc., Cority Software (USA) Inc., and Cority Parent, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.9 0.9
Investment, Identifier [Axis]: Cority Software Inc., Cority Software (USA) Inc., and Cority Parent, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 6.1 [4],[5],[6] 6.2 [1],[2],[3]
Investment, Identifier [Axis]: Cority Software Inc., Cority Software (USA) Inc., and Cority Parent, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 4.3 [4],[5],[6] 4.3 [1],[2],[3]
Investment, Identifier [Axis]: Cority Software Inc., Cority Software (USA) Inc., and Cority Parent, Inc., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5],[6] 0.1 [1],[2],[3]
Investment, Identifier [Axis]: Cority Software Inc., Cority Software (USA) Inc., and Cority Parent, Inc., First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal 0.2 [4],[5],[6] 0.2 [1],[2],[3]
Investment, Identifier [Axis]: Cority Software Inc., Cority Software (USA) Inc., and Cority Parent, Inc., First lien senior secured loan 5    
Schedule of Investments [Line Items]    
Principal 7.6 [4],[5],[6] 7.6 [1],[2],[3]
Investment, Identifier [Axis]: Cority Software Inc., Cority Software (USA) Inc., and Cority Parent, Inc., First lien senior secured loan 6    
Schedule of Investments [Line Items]    
Principal 4.0 [4],[5],[6] 10.1 [1],[2],[3]
Investment, Identifier [Axis]: Cority Software Inc., Cority Software (USA) Inc., and Cority Parent, Inc., First lien senior secured loan 7    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 21.5  
Investment, Identifier [Axis]: Cornerstone OnDemand, Inc. and Sunshine Software Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 29.8 28.5
Investment, Identifier [Axis]: Cornerstone OnDemand, Inc. and Sunshine Software Holdings, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[9]   1.4
Investment, Identifier [Axis]: Cornerstone OnDemand, Inc. and Sunshine Software Holdings, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[10] 16.5  
Investment, Identifier [Axis]: Cornerstone OnDemand, Inc. and Sunshine Software Holdings, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 8.4 [5],[7] 9.7 [1],[11]
Investment, Identifier [Axis]: Cornerstone OnDemand, Inc. and Sunshine Software Holdings, Inc., Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 137.5 [4],[5] 137.5 [1],[2]
Investment, Identifier [Axis]: Coupa Holdings, LLC and Coupa Software Incorporated    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.9 0.9
Investment, Identifier [Axis]: Coupa Holdings, LLC and Coupa Software Incorporated, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 9.0 [4],[5] 9.0 [1],[2]
Investment, Identifier [Axis]: Cradle Lux Bidco S.A.R.L.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.0 4.0
Investment, Identifier [Axis]: Cradle Lux Bidco S.A.R.L., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 2.9 [4],[5],[6] 2.9 [1],[2],[3]
Investment, Identifier [Axis]: Cradle Lux Bidco S.A.R.L., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 12.3 [4],[5],[6] 8.3 [1],[2],[3]
Investment, Identifier [Axis]: Creek Parent, Inc. and Creek Feeder, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 30.0 30.1
Investment, Identifier [Axis]: Creek Parent, Inc. and Creek Feeder, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   208.7
Investment, Identifier [Axis]: Creek Parent, Inc. and Creek Feeder, L.P., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[13] 0.0  
Investment, Identifier [Axis]: Crown CT Parent Inc., Crown CT HoldCo Inc. and Crown CT Management LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.0 0.0
Investment, Identifier [Axis]: Crown CT Parent Inc., Crown CT HoldCo Inc. and Crown CT Management LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 23.9 [4],[5] 24.0 [1],[2]
Investment, Identifier [Axis]: Crown CT Parent Inc., Crown CT HoldCo Inc. and Crown CT Management LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.1 [1],[2],[11]
Investment, Identifier [Axis]: DFC Global Facility Borrower III LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   10.7
Investment, Identifier [Axis]: DFC Global Facility Borrower III LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[3],[15]   91.3
Investment, Identifier [Axis]: DFS Holding Company, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   0.3
Investment, Identifier [Axis]: DFS Holding Company, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 2.1 [4],[5] 2.1 [1],[2]
Investment, Identifier [Axis]: DOXA Insurance Holdings LLC and Rocket Co-Invest, SLP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 14.6 0.1
Investment, Identifier [Axis]: DOXA Insurance Holdings LLC and Rocket Co-Invest, SLP (1)    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   15.0
Investment, Identifier [Axis]: DOXA Insurance Holdings LLC and Rocket Co-Invest, SLP 1    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.1  
Investment, Identifier [Axis]: DOXA Insurance Holdings LLC and Rocket Co-Invest, SLP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 17.3  
Investment, Identifier [Axis]: DOXA Insurance Holdings LLC and Rocket Co-Invest, SLP, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   17.1
Investment, Identifier [Axis]: DOXA Insurance Holdings LLC and Rocket Co-Invest, SLP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6],[7] 0.2  
Investment, Identifier [Axis]: DP Flores Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 11.4 11.4
Investment, Identifier [Axis]: DP Flores Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 27.5 [4],[5] 27.3 [1],[2]
Investment, Identifier [Axis]: DRS Holdings III, Inc. and DRS Holdings I, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 10.9 10.8
Investment, Identifier [Axis]: DRS Holdings III, Inc. and DRS Holdings I, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 62.5 [4],[5] 26.1 [1],[2]
Investment, Identifier [Axis]: DRS Holdings III, Inc. and DRS Holdings I, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   24.1
Investment, Identifier [Axis]: Databricks, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 0.1 [5] 0.1 [1]
Investment, Identifier [Axis]: Datix Bidco Limited and RL Datix Holdings (USA), Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 43.1 44.8
Investment, Identifier [Axis]: Datix Bidco Limited and RL Datix Holdings (USA), Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 104.6 [4],[5],[6] 104.6 [1],[2],[3]
Investment, Identifier [Axis]: Datix Bidco Limited and RL Datix Holdings (USA), Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 58.2 [4],[5],[6] 53.1 [1],[2],[3]
Investment, Identifier [Axis]: Datix Bidco Limited and RL Datix Holdings (USA), Inc., First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal 3.4 [4],[5],[6] 1.3 [1],[2],[3]
Investment, Identifier [Axis]: Datix Bidco Limited and RL Datix Holdings (USA), Inc., First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal 0.7 [4],[5],[6] 1.1 [1],[2],[3]
Investment, Identifier [Axis]: Davidson Hotel Company LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.0 3.4
Investment, Identifier [Axis]: Davidson Hotel Company LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 8.3 [4],[5] 8.2 [1],[2]
Investment, Identifier [Axis]: Davidson Hotel Company LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.7
Investment, Identifier [Axis]: Daylight Beta Parent LLC and CFCo, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 13.9 [5],[12] 13.2 [1],[8]
Investment, Identifier [Axis]: Daylight Beta Parent LLC and CFCo, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 20.8 [5] 20.8 [1]
Investment, Identifier [Axis]: Dcert Buyer, Inc., DCert Preferred Holdings, Inc. and Destiny Digital Holdings, L.P., Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 20.3 [5],[10] 11.0 [1]
Investment, Identifier [Axis]: DecoPac, Inc. and KCAKE Holdings Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 14.4 15.3
Investment, Identifier [Axis]: DecoPac, Inc. and KCAKE Holdings Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 170.9 [4],[5] 171.8 [1],[2]
Investment, Identifier [Axis]: DecoPac, Inc. and KCAKE Holdings Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 5.5 [4],[5] 4.6 [1],[2]
Investment, Identifier [Axis]: Demakes Borrower, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   1.8
Investment, Identifier [Axis]: Demakes Borrower, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   6.2
Investment, Identifier [Axis]: Demakes Enterprises, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 6.2  
Investment, Identifier [Axis]: Denali Holdco LLC and Denali Apexco LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 24.3 24.3
Investment, Identifier [Axis]: Denali Holdco LLC and Denali Apexco LP, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 10.6  
Investment, Identifier [Axis]: Denali Holdco LLC and Denali Apexco LP, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   33.3
Investment, Identifier [Axis]: Diamond Mezzanine 24 LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.7 3.8
Investment, Identifier [Axis]: Diamond Mezzanine 24 LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 18.8  
Investment, Identifier [Axis]: Diamond Mezzanine 24 LLC,First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   14.0
Investment, Identifier [Axis]: Diamond Mezzanine 24 LLC,First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   1.0
Investment, Identifier [Axis]: Diligent Corporation and Diligent Preferred Issuer, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.2 5.4
Investment, Identifier [Axis]: Diligent Corporation and Diligent Preferred Issuer, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 23.5 [4],[5] 23.5 [1],[2]
Investment, Identifier [Axis]: Diligent Corporation and Diligent Preferred Issuer, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.2  
Investment, Identifier [Axis]: Display Holding Company, Inc., Saldon Holdings, Inc. and Fastsigns Holdings Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 7.4 8.7
Investment, Identifier [Axis]: Display Holding Company, Inc., Saldon Holdings, Inc. and Fastsigns Holdings Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 15.3 [4],[5] 15.4 [1],[2]
Investment, Identifier [Axis]: Display Holding Company, Inc., Saldon Holdings, Inc. and Fastsigns Holdings Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: Display Holding Company, Inc., Saldon Holdings, Inc. and Fastsigns Holdings Inc., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: Display Holding Company, Inc., Saldon Holdings, Inc. and Fastsigns Holdings Inc., First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal 8.0 [4],[5] 8.1 [1],[2]
Investment, Identifier [Axis]: Display Holding Company, Inc., Saldon Holdings, Inc. and Fastsigns Holdings Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 1.9 [4],[5] 0.6 [1],[2]
Investment, Identifier [Axis]: Divisions Holding Corporation, Divisions, Inc. and RC V Tecmo Investor LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 9.6  
Investment, Identifier [Axis]: Divisions Holding Corporation, Divisions, Inc. and RC V Tecmo Investor LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 110.0  
Investment, Identifier [Axis]: Dorado Bidco, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 7.4 8.4
Investment, Identifier [Axis]: Dorado Bidco, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 7.8 [4],[5] 6.8 [1],[2]
Investment, Identifier [Axis]: DriveCentric Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.7 1.7
Investment, Identifier [Axis]: DriveCentric Holdings, LLC., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   12.1
Investment, Identifier [Axis]: DriveCentric Holdings, LLC., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 12.1  
Investment, Identifier [Axis]: Drogon Bidco Inc. & Drogon Aggregator LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 9.7 9.7
Investment, Identifier [Axis]: Drogon Bidco Inc. & Drogon Aggregator LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 19.7 [4],[5] 19.8 [1],[2]
Investment, Identifier [Axis]: Duraserv LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 9.2 5.3
Investment, Identifier [Axis]: Duraserv LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   25.3
Investment, Identifier [Axis]: Duraserv LLC, First lien senior secured loan1    
Schedule of Investments [Line Items]    
Principal [4],[5] 29.2  
Investment, Identifier [Axis]: Duraserv LLC, First lien senior secured loan2    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.3  
Investment, Identifier [Axis]: Dynamic NC Aerospace Holdings, LLC and Dynamic NC Investment Holdings, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.5 5.2
Investment, Identifier [Axis]: Dynamic NC Aerospace Holdings, LLC and Dynamic NC Investment Holdings, LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 25.5 [4],[5] 25.6 [1],[2]
Investment, Identifier [Axis]: Dynamic NC Aerospace Holdings, LLC and Dynamic NC Investment Holdings, LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   4.4
Investment, Identifier [Axis]: Dynamic NC Aerospace Holdings, LLC and Dynamic NC Investment Holdings, LP, First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 4.1  
Investment, Identifier [Axis]: EIS Legacy Holdco, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 25.4 26.5
Investment, Identifier [Axis]: EIS Legacy Holdco, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 12.7 [4],[5] 11.6 [1],[2]
Investment, Identifier [Axis]: EMB Purchaser, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 29.6  
Investment, Identifier [Axis]: EMB Purchaser, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 90.5  
Investment, Identifier [Axis]: EP Purchaser, LLC and TPG VIII EP Co-Invest II, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 57.9 [4],[5] 58.3 [1],[2]
Investment, Identifier [Axis]: EP Purchaser, LLC and TPG VIII EP Co-Invest II, L.P., Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 88.9 [4],[5] 88.9 [1],[2]
Investment, Identifier [Axis]: EP Wealth Advisors, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 0.6 [4],[5] 0.6 [1],[2]
Investment, Identifier [Axis]: EP Wealth Advisors, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.2 [4],[5] 0.2 [1],[2]
Investment, Identifier [Axis]: ESHA Research, LLC and RMCF VI CIV XLVIII, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.4 0.2
Investment, Identifier [Axis]: ESHA Research, LLC and RMCF VI CIV XLVIII, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 6.7 [4],[5] 6.7 [1],[2]
Investment, Identifier [Axis]: ESHA Research, LLC and RMCF VI CIV XLVIII, L.P., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.7  
Investment, Identifier [Axis]: ESHA Research, LLC and RMCF VI CIV XLVIII, L.P., First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.9
Investment, Identifier [Axis]: Eagle Football Holdings BidCo Limited and Eagle Football Holdings Limited, Senior subordinated loan 1    
Schedule of Investments [Line Items]    
Principal [1],[3]   0.6
Investment, Identifier [Axis]: Eagle Football Holdings BidCo Limited and Eagle Football Holdings Limited, Senior subordinated loan 2    
Schedule of Investments [Line Items]    
Principal 32.1 [5],[6] 28.7 [1],[3]
Investment, Identifier [Axis]: Eagle Football Holdings BidCo Limited and Eagle Football Holdings Limited, Senior subordinated loan 3    
Schedule of Investments [Line Items]    
Principal 57.2 [4],[5],[6] 53.9 [1],[2],[3]
Investment, Identifier [Axis]: Echo Purchaser, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.0 2.5
Investment, Identifier [Axis]: Echo Purchaser, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 11.4 [4],[5] 10.5 [1],[2]
Investment, Identifier [Axis]: Echo Purchaser, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   1.4
Investment, Identifier [Axis]: Eclipse Topco, Inc., Eclipse Investor Parent, L.P. and Eclipse Buyer, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 50.4 50.4
Investment, Identifier [Axis]: Eclipse Topco, Inc., Eclipse Investor Parent, L.P. and Eclipse Buyer, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 196.1 [4],[5] 196.1 [1],[2]
Investment, Identifier [Axis]: Edmunds Govtech, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 19.8 23.0
Investment, Identifier [Axis]: Edmunds Govtech, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 21.6 [4],[5] 18.5 [1],[2]
Investment, Identifier [Axis]: Edmunds Govtech, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 1.7 [4],[5] 1.7 [1],[2]
Investment, Identifier [Axis]: Einstein Parent, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.8  
Investment, Identifier [Axis]: Einstein Parent, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 45.9  
Investment, Identifier [Axis]: Elemica Parent, Inc. & EZ Elemica Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.5 0.0
Investment, Identifier [Axis]: Elemica Parent, Inc. & EZ Elemica Holdings, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 59.6 [4],[5] 59.9 [1],[2]
Investment, Identifier [Axis]: Elemica Parent, Inc. & EZ Elemica Holdings, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 5.6 [4],[5] 5.6 [1],[2]
Investment, Identifier [Axis]: Elemica Parent, Inc. & EZ Elemica Holdings, Inc., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 4.9 [4],[5] 4.9 [1],[2]
Investment, Identifier [Axis]: Elemica Parent, Inc. & EZ Elemica Holdings, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 6.8 [4],[5] 7.3 [1],[2]
Investment, Identifier [Axis]: Elevation Services Parent Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.2 1.1
Investment, Identifier [Axis]: Elevation Services Parent Holdings, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 10.0  
Investment, Identifier [Axis]: Elevation Services Parent Holdings, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 13.9 [4],[5] 10.0 [1],[2]
Investment, Identifier [Axis]: Elevation Services Parent Holdings, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [1],[2]   14.0
Investment, Identifier [Axis]: Elevation Services Parent Holdings, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[11]   2.2
Investment, Identifier [Axis]: Elevation Services Parent Holdings, LLC, First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5],[7] 2.8  
Investment, Identifier [Axis]: Empower Payments Investor, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 6.3 1.3
Investment, Identifier [Axis]: Empower Payments Investor, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 32.8 [4],[5] 32.8 [1],[2]
Investment, Identifier [Axis]: Empower Payments Investor, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 8.9  
Investment, Identifier [Axis]: Endeavor Bidco LLC and Endeavor TopCo, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 6.1 [4],[5] 6.1 [1],[2]
Investment, Identifier [Axis]: Enverus Holdings, Inc. and Titan DI Preferred Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 11.8 16.4
Investment, Identifier [Axis]: Enverus Holdings, Inc. and Titan DI Preferred Holdings, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 137.4 [4],[5] 133.9 [1],[2]
Investment, Identifier [Axis]: Enverus Holdings, Inc. and Titan DI Preferred Holdings, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.5  
Investment, Identifier [Axis]: Enverus Holdings, Inc. and Titan DI Preferred Holdings, Inc., First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal 0.2 [4],[5] 0.2 [1],[2]
Investment, Identifier [Axis]: Enverus Holdings, Inc. and Titan DI Preferred Holdings, Inc., First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.1
Investment, Identifier [Axis]: Enverus Holdings, Inc. and Titan DI Preferred Holdings, Inc., Preferred stock    
Schedule of Investments [Line Items]    
Principal [5]  
Investment, Identifier [Axis]: Equinox Holdings, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 45.2 [4],[5] 44.3 [1],[2]
Investment, Identifier [Axis]: Equinox Holdings, Inc., Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 4.2 [5] 3.9 [1]
Investment, Identifier [Axis]: Essential Services Holding Corporation and OMERS Mahomes Investment Holdings LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 42.7 45.0
Investment, Identifier [Axis]: Essential Services Holding Corporation and OMERS Mahomes Investment Holdings LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 151.5 [4],[5] 151.5 [1],[2]
Investment, Identifier [Axis]: Essential Services Holding Corporation and OMERS Mahomes Investment Holdings LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 2.4 [4],[5],[7] 0.0 [1],[2],[14]
Investment, Identifier [Axis]: Eternal Aus Bidco Pty Ltd    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.1 1.0
Investment, Identifier [Axis]: Eternal Aus Bidco Pty Ltd, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 7.4 [4],[5],[6] 7.0 [1],[2],[3]
Investment, Identifier [Axis]: European Capital UK SME Debt LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.8 5.3
Investment, Identifier [Axis]: Evolent Health LLC and Evolent Health, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   31.2
Investment, Identifier [Axis]: Evolent Health LLC and Evolent Health, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 31.1  
Investment, Identifier [Axis]: Excel Fitness Consolidator LLC, Health Buyer LLC and Excel Fitness Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.6 3.6
Investment, Identifier [Axis]: Excel Fitness Consolidator LLC, Health Buyer LLC and Excel Fitness Holdings, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 5.4 [4],[5] 5.4 [1],[2]
Investment, Identifier [Axis]: Excel Fitness Consolidator LLC, Health Buyer LLC and Excel Fitness Holdings, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.9 [4],[5] 0.9 [1],[2]
Investment, Identifier [Axis]: Excelitas Technologies Corp, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 7.1  
Investment, Identifier [Axis]: Excelitas Technologies Corp.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 27.1 27.1
Investment, Identifier [Axis]: Excelitas Technologies Corp., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   7.1
Investment, Identifier [Axis]: Expereo USA, Inc. and Ristretto Bidco B.V.    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 61.0  
Total unfunded capital commitments 16.6 20.9
Investment, Identifier [Axis]: Expereo USA, Inc. and Ristretto Bidco B.V., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   56.0
Investment, Identifier [Axis]: Extrahop Networks, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.3 11.3
Investment, Identifier [Axis]: Extrahop Networks, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 35.3 [4],[5] 26.0 [1],[2]
Investment, Identifier [Axis]: Extrahop Networks, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 3.9 [4],[5] 3.9 [1],[2]
Investment, Identifier [Axis]: FL Hawk Intermediate Holdings, Inc, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 9.3  
Investment, Identifier [Axis]: FL Hawk Intermediate Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.3 1.3
Investment, Identifier [Axis]: FL Hawk Intermediate Holdings, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   9.3
Investment, Identifier [Axis]: FS Squared Holding Corp. and FS Squared, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 24.8 64.9
Investment, Identifier [Axis]: FS Squared Holding Corp. and FS Squared, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 88.2 [4],[5] 52.7 [1],[2]
Investment, Identifier [Axis]: FS Squared Holding Corp. and FS Squared, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.0 [5],[13] 5.2 [1],[2],[11]
Investment, Identifier [Axis]: Faraday Buyer, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.1 5.1
Investment, Identifier [Axis]: Faraday Buyer, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 54.6 [4],[5] 54.9 [1],[2]
Investment, Identifier [Axis]: Faraday Buyer, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 7.8 [4],[5] 7.8 [1],[2]
Investment, Identifier [Axis]: Fever Labs, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 7.9 10.1
Investment, Identifier [Axis]: Fever Labs, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 17.0 [5] 14.0 [1]
Investment, Identifier [Axis]: Fever Labs, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 8.5 [5] 4.1 [1]
Investment, Identifier [Axis]: Finastra USA, Inc., DH Corporation/Societe DH, and Finastra Europe S.A R.L.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 17.9 17.9
Investment, Identifier [Axis]: Finastra USA, Inc., DH Corporation/Societe DH, and Finastra Europe S.A R.L., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 188.1 [4],[5] 189.0 [1],[2],[3]
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 10.9  
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 15.9  
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.5  
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[13] 0.0  
Investment, Identifier [Axis]: Fitness Ventures Holdings, Inc. and Meaningful Partners Fitness Ventures Co-Investment LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.3 20.1
Investment, Identifier [Axis]: Fitness Ventures Holdings, Inc. and Meaningful Partners Fitness Ventures Co-Investment LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 10.6 [4],[5] 37.2 [1],[2]
Investment, Identifier [Axis]: Fitness Ventures Holdings, Inc. and Meaningful Partners Fitness Ventures Co-Investment LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 2.2  
Investment, Identifier [Axis]: Fitness Ventures Holdings, Inc. and Meaningful Partners Fitness Ventures Co-Investment LP, First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   2.5
Investment, Identifier [Axis]: Flinn Scientific, Inc. and WCI-Quantum Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.1 13.9
Investment, Identifier [Axis]: Flinn Scientific, Inc. and WCI-Quantum Holdings, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 28.9 [4],[5] 29.0 [1],[2]
Investment, Identifier [Axis]: Flinn Scientific, Inc. and WCI-Quantum Holdings, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 1.1 [4],[5] 1.1 [1],[2]
Investment, Identifier [Axis]: Flinn Scientific, Inc. and WCI-Quantum Holdings, Inc., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 7.4 [4],[5] 7.5 [1],[2]
Investment, Identifier [Axis]: Flinn Scientific, Inc. and WCI-Quantum Holdings, Inc., First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal [4],[5] 5.0  
Investment, Identifier [Axis]: Flinn Scientific, Inc. and WCI-Quantum Holdings, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 14.4 [4],[5],[7] 3.6 [1],[2],[11]
Investment, Identifier [Axis]: Flint OpCo, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 9.6 4.8
Investment, Identifier [Axis]: Flint OpCo, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 6.9 [4],[5] 7.0 [1],[2]
Investment, Identifier [Axis]: Flint OpCo, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 2.1 [4],[5] 1.3 [1],[2]
Investment, Identifier [Axis]: Florida Food Products, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 0.4 [4],[5] 0.4 [1],[2]
Investment, Identifier [Axis]: Florida Food Products, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.4 [4],[5] 0.4 [1],[2]
Investment, Identifier [Axis]: Florida Food Products, LLC, Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 71.8 [4],[5] 71.8 [1],[2]
Investment, Identifier [Axis]: FlyWheel Acquireco, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.1 2.7
Investment, Identifier [Axis]: FlyWheel Acquireco, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   52.0
Investment, Identifier [Axis]: FlyWheel Acquireco, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 4.1 [4],[5] 5.5 [1],[2]
Investment, Identifier [Axis]: FlyWheel Acquireco, Inc.,First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 51.7  
Investment, Identifier [Axis]: Forescout Technologies, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.4 2.4
Investment, Identifier [Axis]: Forescout Technologies, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   13.6
Investment, Identifier [Axis]: Forescout Technologies, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 13.5  
Investment, Identifier [Axis]: Forward Keystone Holdings, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 8.5  
Investment, Identifier [Axis]: Forward Keystone Holdings, LP, Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal [5] 24.7  
Investment, Identifier [Axis]: Forza Insurance Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 38.9  
Investment, Identifier [Axis]: Foundation Consumer Brands, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.4  
Investment, Identifier [Axis]: Foundation Consumer Brands, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 32.5 [4],[5] 12.6 [1],[2]
Investment, Identifier [Axis]: Foundation Consumer Brands, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.2 [4],[5] 0.2 [1],[2]
Investment, Identifier [Axis]: Foundation Risk Partners, Corp.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 28.7 35.9
Investment, Identifier [Axis]: Foundation Risk Partners, Corp., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 78.2 [4],[5] 78.6 [1],[2]
Investment, Identifier [Axis]: Foundation Risk Partners, Corp., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 9.3 [4],[5] 9.3 [1],[2]
Investment, Identifier [Axis]: Foundation Risk Partners, Corp., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 17.3 [4],[5] 17.4 [1],[2]
Investment, Identifier [Axis]: Foundation Risk Partners, Corp., First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal 15.4 [4],[5] 8.4 [1],[2]
Investment, Identifier [Axis]: Frontline Road Safety Operations, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 6.8  
Investment, Identifier [Axis]: Frontline Road Safety Operations, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [5] 14.7  
Investment, Identifier [Axis]: Frontline Road Safety Operations, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [5] 45.8  
Investment, Identifier [Axis]: Frontline Road Safety Operations, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.4  
Investment, Identifier [Axis]: GAPCO AIV InterHodlco (CP), L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 29.5  
Investment, Identifier [Axis]: GAPCO AIV InterHodlco (CP), L.P., Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 17.9  
Investment, Identifier [Axis]: GHP-VGS Purchaser LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 8.7  
Investment, Identifier [Axis]: GHP-VGS Purchaser LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 14.3  
Investment, Identifier [Axis]: GHX Ultimate Parent Corporation, Commerce Parent, Inc. and Commerce Topco, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 22.2 18.8
Investment, Identifier [Axis]: GHX Ultimate Parent Corporation, Commerce Parent, Inc. and Commerce Topco, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 231.5  
Investment, Identifier [Axis]: GHX Ultimate Parent Corporation, Commerce Parent, Inc. and Commerce Topco, LLC, Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   243.5
Investment, Identifier [Axis]: GI Ranger Intermediate LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.6 3.2
Investment, Identifier [Axis]: GI Ranger Intermediate LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 9.9 [4],[5] 10.0 [1],[2]
Investment, Identifier [Axis]: GI Ranger Intermediate LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 3.1 [4],[5] 3.1 [1],[2]
Investment, Identifier [Axis]: GI Ranger Intermediate LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.4
Investment, Identifier [Axis]: GNZ Energy Bidco Limited and Galileo Co-investment Trust I    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.0 2.8
Investment, Identifier [Axis]: GNZ Energy Bidco Limited and Galileo Co-investment Trust I, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 29.6 [4],[5],[6] 27.2 [1],[2],[3]
Investment, Identifier [Axis]: GS SEER Group Borrower LLC and GS SEER Group Holdings LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.5 6.9
Investment, Identifier [Axis]: GS SEER Group Borrower LLC and GS SEER Group Holdings LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 24.1 [4],[5] 21.9 [1],[2]
Investment, Identifier [Axis]: GS SEER Group Borrower LLC and GS SEER Group Holdings LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[13] 0.0  
Investment, Identifier [Axis]: GSM Rights Fund II LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 10.1  
Investment, Identifier [Axis]: GSV Purchaser, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.1 4.1
Investment, Identifier [Axis]: GSV Purchaser, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.1
Investment, Identifier [Axis]: GSV Purchaser, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.1  
Investment, Identifier [Axis]: GTCR Everest Borrower, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.2 1.2
Investment, Identifier [Axis]: GTCR F Buyer Corp. and GTCR (D) Investors LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.9 1.4
Investment, Identifier [Axis]: GTCR F Buyer Corp. and GTCR (D) Investors LP (1)    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   1.9
Investment, Identifier [Axis]: GTCR F Buyer Corp. and GTCR (D) Investors LP 1    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.3  
Investment, Identifier [Axis]: GTCR F Buyer Corp. and GTCR (D) Investors LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 0.6 [4],[5] 5.2 [1],[2]
Investment, Identifier [Axis]: GTCR F Buyer Corp. and GTCR (D) Investors LP, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 5.6  
Investment, Identifier [Axis]: Galway Borrower LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 20.9 25.8
Investment, Identifier [Axis]: Galway Borrower LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 33.5 [4],[5] 31.3 [1],[2]
Investment, Identifier [Axis]: Galway Borrower LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 3.4 [4],[5],[7] 0.9 [1],[2],[11]
Investment, Identifier [Axis]: Generator US Buyer, Inc. and Total Power Limited    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.1 1.9
Investment, Identifier [Axis]: Generator US Buyer, Inc. and Total Power Limited, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 5.8 [4],[5],[6] 4.8 [1],[2],[3]
Investment, Identifier [Axis]: Generator US Buyer, Inc. and Total Power Limited, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 1.3 [4],[5],[6] 1.4 [1],[2],[3]
Investment, Identifier [Axis]: Generator US Buyer, Inc. and Total Power Limited, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 0.1  
Investment, Identifier [Axis]: Gestion ABS Bidco Inc. / ABS Bidco Holdings Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 6.4 6.1
Investment, Identifier [Axis]: Gestion ABS Bidco Inc. / ABS Bidco Holdings Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 9.8 [4],[5],[6] 9.3 [1],[2],[3]
Investment, Identifier [Axis]: Global Medical Response, Inc. and GMR Buyer Corp., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 41.2 [4],[5],[10] 41.3 [1],[2],[9]
Investment, Identifier [Axis]: Global Music Rights, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 15.0 15.0
Investment, Identifier [Axis]: Global Music Rights, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 220.9  
Investment, Identifier [Axis]: Global Music Rights, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   220.9
Investment, Identifier [Axis]: Goldeneye Parent, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.6  
Investment, Identifier [Axis]: Goldeneye Parent, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 17.4  
Investment, Identifier [Axis]: Gotham Greens Holdings, PBC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 36.4 [4] 36.8 [2]
Investment, Identifier [Axis]: GraphPAD Software, LLC, Insightful Science Intermediate I, LLC and Insightful Science Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 23.0 23.0
Investment, Identifier [Axis]: GraphPAD Software, LLC, Insightful Science Intermediate I, LLC and Insightful Science Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   71.5
Investment, Identifier [Axis]: GraphPAD Software, LLC, Insightful Science Intermediate I, LLC and Insightful Science Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 7.3  
Investment, Identifier [Axis]: GraphPAD Software, LLC, Insightful Science Intermediate I, LLC and Insightful Science Holdings, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 1.7  
Investment, Identifier [Axis]: GraphPAD Software, LLC, Insightful Science Intermediate I, LLC and Insightful Science Holdings, LLC, Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal 56.4 [5] 53.6 [1]
Investment, Identifier [Axis]: Ground Penetrating Radar Systems, LLC and RC VI Buckeye Holdings LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 7.6  
Investment, Identifier [Axis]: Ground Penetrating Radar Systems, LLC and RC VI Buckeye Holdings LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 1.8  
Investment, Identifier [Axis]: Guidepoint Security Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.4 3.4
Investment, Identifier [Axis]: Guidepoint Security Holdings, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 6.7 [4],[5] 6.7 [1],[2]
Investment, Identifier [Axis]: Guidepoint Security Holdings, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 2.4 [4],[5] 2.4 [1],[2]
Investment, Identifier [Axis]: Gula Buyer Inc. and Gula Co-Invest II, L.P., First lien senior secured loan, 0.0932, SOFR (M), 0.05, 45590, 48122, 125200000, 125200000, 125200000    
Schedule of Investments [Line Items]    
Principal [4],[5] 125.2  
Investment, Identifier [Axis]: Gula Buyer Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   125.6
Investment, Identifier [Axis]: H-Food Holdings, LLC and Matterhorn Parent, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[8]   0.1
Investment, Identifier [Axis]: H-Food Holdings, LLC and Matterhorn Parent, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[8]   24.5
Investment, Identifier [Axis]: H-Food Holdings, LLC and Matterhorn Parent, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[8]   3.3
Investment, Identifier [Axis]: H-Food Holdings, LLC and Matterhorn Parent, LLC, Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[8]   73.0
Investment, Identifier [Axis]: HFCP XI (Parallel - A), L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 7.5 7.5
Investment, Identifier [Axis]: HGC Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 34.4 7.5
Investment, Identifier [Axis]: HGC Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 65.8  
Investment, Identifier [Axis]: HGC Holdings, LLC, First lien senior secured loan1    
Schedule of Investments [Line Items]    
Principal [4],[5] 1.9  
Investment, Identifier [Axis]: HH-Stella, Inc. and Bedrock Parent Holdings, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 10.7 16.9
Investment, Identifier [Axis]: HH-Stella, Inc. and Bedrock Parent Holdings, LP, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 8.7 [4],[5] 8.8 [1],[2]
Investment, Identifier [Axis]: HH-Stella, Inc. and Bedrock Parent Holdings, LP, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 21.7 [4],[5] 21.8 [1],[2]
Investment, Identifier [Axis]: HH-Stella, Inc. and Bedrock Parent Holdings, LP, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 10.2 [4],[5] 4.4 [1],[2]
Investment, Identifier [Axis]: HH-Stella, Inc. and Bedrock Parent Holdings, LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 1.3 [4],[5],[7] 1.3 [1],[2],[11]
Investment, Identifier [Axis]: HP RSS Buyer, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.7 4.9
Investment, Identifier [Axis]: HP RSS Buyer, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 16.9 [4],[5] 17.0 [1],[2]
Investment, Identifier [Axis]: HP RSS Buyer, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 3.0 [4],[5] 1.8 [1],[2]
Investment, Identifier [Axis]: HPCC Parent, Inc. and Patriot Container Corp, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1]   78.4
Investment, Identifier [Axis]: HPCC Parent, Inc. and Patriot Container Corp.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.8 7.0
Investment, Identifier [Axis]: HPCC Parent, Inc. and Patriot Container Corp., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [5] 81.9  
Investment, Identifier [Axis]: Harvey Tool Company, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 66.7 66.7
Investment, Identifier [Axis]: Harvey Tool Company, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 3.6  
Investment, Identifier [Axis]: Harvey Tool Company, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5] 55.4  
Investment, Identifier [Axis]: Harvey Tool Company, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [1],[2]   3.6
Investment, Identifier [Axis]: Harvey Tool Company, LLC, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal [1],[2]   79.1
Investment, Identifier [Axis]: HealthEdge Software, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   1.1
Investment, Identifier [Axis]: HealthEdge Software, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   26.5
Investment, Identifier [Axis]: Heavy Construction Systems Specialists, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.0 4.0
Investment, Identifier [Axis]: Heavy Construction Systems Specialists, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: Heavy Construction Systems Specialists, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 13.8 [4],[5] 13.9 [1],[2]
Investment, Identifier [Axis]: Helios Service Partners, LLC and Astra Service Partners, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 9.3 11.3
Investment, Identifier [Axis]: Helios Service Partners, LLC and Astra Service Partners, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 10.7  
Investment, Identifier [Axis]: Helios Service Partners, LLC and Astra Service Partners, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   5.9
Investment, Identifier [Axis]: Helios Service Partners, LLC and Astra Service Partners, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   3.7
Investment, Identifier [Axis]: Helios Service Partners, LLC and Astra Service Partners, LLC, First lien senior secured loan1    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.4  
Investment, Identifier [Axis]: Helios Service Partners, LLC and Astra Service Partners, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.7 [4],[5],[7] 0.0 [1],[14]
Investment, Identifier [Axis]: Helix Acquisition Holdings, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 11.9 [4],[5] 11.9 [1],[2]
Investment, Identifier [Axis]: Help/Systems Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 15.0 13.3
Investment, Identifier [Axis]: Help/Systems Holdings, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1]   1.7
Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.6 3.7
Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc. and HIG Intermediate, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 5.3  
Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc. and HIG Intermediate, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5] 2.7  
Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   5.3
Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   1.5
Investment, Identifier [Axis]: High Street Buyer, Inc. and High Street Holdco LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 15.7 38.7
Investment, Identifier [Axis]: High Street Buyer, Inc. and High Street Holdco LLC (1)    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   32.6
Investment, Identifier [Axis]: High Street Buyer, Inc. and High Street Holdco LLC 1    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 38.7  
Investment, Identifier [Axis]: High Street Buyer, Inc. and High Street Holdco LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 22.2 [4],[5] 22.3 [1],[2]
Investment, Identifier [Axis]: High Street Buyer, Inc. and High Street Holdco LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: High Street Buyer, Inc. and High Street Holdco LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 19.5 [4],[5] 28.8 [1],[2]
Investment, Identifier [Axis]: High Street Buyer, Inc. and High Street Holdco LLC, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal [4],[5] 16.0  
Investment, Identifier [Axis]: HighPeak Energy, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 83.9 [4],[5],[6] 82.7 [1],[2],[3]
Investment, Identifier [Axis]: HighTower Holding, LLC, Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal 8.1 [5],[6],[10] 8.1 [1],[3],[9]
Investment, Identifier [Axis]: Highline Aftermarket Acquisition, LLC, Highline Aftermarket SC Acquisition, Inc. and Highline PPC Blocker LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 17.5 17.0
Investment, Identifier [Axis]: Highline Aftermarket Acquisition, LLC, Highline Aftermarket SC Acquisition, Inc. and Highline PPC Blocker LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[14]   0.0
Investment, Identifier [Axis]: Highline Aftermarket Acquisition, LLC, Highline Aftermarket SC Acquisition, Inc. and Highline PPC Blocker LLC, Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   70.4
Investment, Identifier [Axis]: Hills Distribution, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.3  
Investment, Identifier [Axis]: Hills Distribution, Inc., Hills Intermediate FT Holdings, LLC and GMP Hills, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   0.3
Investment, Identifier [Axis]: Hills Distribution, Inc., Hills Intermediate FT Holdings, LLC and GMP Hills, LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 5.2 [4],[5] 5.2 [1],[2]
Investment, Identifier [Axis]: Hills Distribution, Inc., Hills Intermediate FT Holdings, LLC and GMP Hills, LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: Himalaya TopCo LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 92.3  
Investment, Identifier [Axis]: Himalaya TopCo LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 230.3  
Investment, Identifier [Axis]: Horizon Avionics Buyer, LLC and Horizon CTS Buyer, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 19.9  
Investment, Identifier [Axis]: Horizon Avionics Buyer, LLC and Horizon CTS Buyer, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 48.6  
Investment, Identifier [Axis]: Horizon Avionics Buyer, LLC and Horizon CTS Buyer, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[7] 1.0  
Investment, Identifier [Axis]: HuFriedy Group Acquisition LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 7.6 9.9
Investment, Identifier [Axis]: HuFriedy Group Acquisition LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 74.9 [4],[5] 73.4 [1],[2]
Investment, Identifier [Axis]: HuFriedy Group Acquisition LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.4 [4],[5],[13] 0.0 [1],[2],[14]
Investment, Identifier [Axis]: Huskies Parent, Inc., GI Insurity Parent LLC and GI Insurity TopCo LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 6.3 4.7
Investment, Identifier [Axis]: Huskies Parent, Inc., GI Insurity Parent LLC and GI Insurity TopCo LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 58.9 [4],[5] 59.1 [1],[2]
Investment, Identifier [Axis]: Huskies Parent, Inc., GI Insurity Parent LLC and GI Insurity TopCo LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 7.0 [4],[5] 8.6 [1],[2]
Investment, Identifier [Axis]: Huskies Parent, Inc., GI Insurity Parent LLC and GI Insurity TopCo LP, Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal 127.4 [5] 121.3 [1]
Investment, Identifier [Axis]: Hyland Software, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.0 1.9
Investment, Identifier [Axis]: Hyland Software, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   96.6
Investment, Identifier [Axis]: Hyland Software, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 96.1  
Investment, Identifier [Axis]: Hyland Software, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[14]   0.0
Investment, Identifier [Axis]: ID.me, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 26.7  
Investment, Identifier [Axis]: ID.me, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [5] 107.9  
Investment, Identifier [Axis]: ID.me, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [5] 13.4  
Investment, Identifier [Axis]: IFH Franchisee Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 14.6 14.6
Investment, Identifier [Axis]: IFH Franchisee Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 55.0 [4],[5] 55.3 [1],[2]
Investment, Identifier [Axis]: IFH Franchisee Holdings, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 4.3 [4],[5] 4.3 [1],[2]
Investment, Identifier [Axis]: IQN Holding Corp.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.6 1.4
Investment, Identifier [Axis]: IQN Holding Corp., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   1.4
Investment, Identifier [Axis]: IQN Holding Corp., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 1.4  
Investment, Identifier [Axis]: IQN Holding Corp., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 1.7 [4],[5] 0.9 [1],[2]
Investment, Identifier [Axis]: IRI Group Holdings, Inc. and Circana, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 159.9  
Investment, Identifier [Axis]: IRI Group Holdings, Inc. and Circana, LLC, First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [5],[13] 0.0  
Investment, Identifier [Axis]: IRI Group Holdings, Inc., Circana, LLC and IRI-NPD Co-Invest Aggregator, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   11.4
Investment, Identifier [Axis]: IRI Group Holdings, Inc., Circana, LLC and IRI-NPD Co-Invest Aggregator, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   150.7
Investment, Identifier [Axis]: IRI Group Holdings, Inc., Circana, LLC and IRI-NPD Co-Invest Aggregator, L.P., First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2],[11]   2.9
Investment, Identifier [Axis]: IRI Holdings, Inc., IRI Group Holdings, Inc. and IRI Parent, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 23.6  
Investment, Identifier [Axis]: ISQ Hawkeye Holdco, Inc. and ISQ Hawkeye Holdings, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 26.5 29.1
Investment, Identifier [Axis]: ISQ Hawkeye Holdco, Inc. and ISQ Hawkeye Holdings, L.P., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 4.9 [4],[5] 4.9 [1],[2]
Investment, Identifier [Axis]: ISQ Hawkeye Holdco, Inc. and ISQ Hawkeye Holdings, L.P., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 3.9 [4],[5] 3.9 [1],[2]
Investment, Identifier [Axis]: ISQ Hawkeye Holdco, Inc. and ISQ Hawkeye Holdings, L.P., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[11]   0.7
Investment, Identifier [Axis]: ISQ Hawkeye Holdco, Inc. and ISQ Hawkeye Holdings, L.P., First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5],[7] 3.4  
Investment, Identifier [Axis]: ITI Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   1.6
Investment, Identifier [Axis]: ITI Holdings, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   34.3
Investment, Identifier [Axis]: ITI Holdings, Inc., First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   2.7
Investment, Identifier [Axis]: ITI Holdings, Inc., First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   1.4
Investment, Identifier [Axis]: Icefall Parent, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.1 1.1
Investment, Identifier [Axis]: Icefall Parent, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 16.7 [4],[5] 16.7 [1],[2]
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C. and Scanner Holdings Corporation, Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal 19.1 [5] 18.5 [1]
Investment, Identifier [Axis]: Implus Footcare, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 9.2  
Investment, Identifier [Axis]: Implus Footcare, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 1.3 [5],[12] 1.3 [1],[8]
Investment, Identifier [Axis]: Implus Footcare, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 117.4 [5],[12] 117.3 [1],[8]
Investment, Identifier [Axis]: Implus Footcare, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 5.0 [5],[12] 5.0 [1],[8]
Investment, Identifier [Axis]: Implus Footcare, LLC, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal [4],[5] 6.2  
Investment, Identifier [Axis]: Infinity Home Services HoldCo, Inc. and IHS Parent Holdings, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 19.7  
Investment, Identifier [Axis]: Infinity Home Services HoldCo, Inc., D&S Amalco and IHS Parent Holdings, L.P., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   1.3
Investment, Identifier [Axis]: Infinity Home Services HoldCo, Inc., D&S Amalco and IHS Parent Holdings, L.P., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   6.4
Investment, Identifier [Axis]: Infinity Home Services HoldCo, Inc., D&S Amalco and IHS Parent Holdings, L.P., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   0.5
Investment, Identifier [Axis]: Infinity Home Services HoldCo, Inc., D&S Amalco and IHS Parent Holdings, L.P., First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   0.7
Investment, Identifier [Axis]: Infinity Home Services HoldCo, Inc., D&S Amalco and IHS Parent Holdings, L.P., First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   14.7
Investment, Identifier [Axis]: Infinity Home Services Holdco, Inc., D'Angelo & Sons Construction Limited and IHS Parent Holdings, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   25.2
Investment, Identifier [Axis]: Infinity Home Services Holdco, Inc., D'Angelo & Sons Construction Limited and IHS Parent Holdings, L.P., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 14.6  
Investment, Identifier [Axis]: Infinity Home Services Holdco, Inc., D'Angelo & Sons Construction Limited and IHS Parent Holdings, L.P., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 6.4  
Investment, Identifier [Axis]: Infinity Home Services Holdco, Inc., D'Angelo & Sons Construction Limited and IHS Parent Holdings, L.P., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 1.3  
Investment, Identifier [Axis]: Infinity Home Services Holdco, Inc., D'Angelo & Sons Construction Limited and IHS Parent Holdings, L.P., First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 5.5  
Investment, Identifier [Axis]: Infinity Home Services Holdco, Inc., D'Angelo & Sons Construction Limited and IHS Parent Holdings, L.P., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 1.3  
Investment, Identifier [Axis]: Inszone Mid, LLC and INSZ Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 64.3 72.0
Investment, Identifier [Axis]: Inszone Mid, LLC and INSZ Holdings, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 26.9 [4],[5] 24.7 [1],[2]
Investment, Identifier [Axis]: Inszone Mid, LLC and INSZ Holdings, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 5.5 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: Internet Truckstop Group LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.2 1.2
Investment, Identifier [Axis]: Internet Truckstop Group LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 39.5 [4],[5] 39.5 [1],[2]
Investment, Identifier [Axis]: Ivy Hill Asset Management, L.P., Subordinated revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 155.0  
Investment, Identifier [Axis]: JAMS Holdings LP and Jams Buyer LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 7.0  
Investment, Identifier [Axis]: JAMS Holdings LP and Jams Buyer LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 14.4  
Investment, Identifier [Axis]: Jenny C Acquisition, Inc., Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal 1.9 [5] 1.8 [1]
Investment, Identifier [Axis]: Johnnie-O Inc. and Johnnie-O Holdings Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 17.5  
Investment, Identifier [Axis]: Johnnie-O Inc. and Johnnie-O Holdings Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   17.5
Investment, Identifier [Axis]: KBHS Acquisition, LLC (d/b/a Alita Care, LLC)    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.8 1.5
Investment, Identifier [Axis]: KBHS Acquisition, LLC (d/b/a Alita Care, LLC), First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [5] 4.2  
Investment, Identifier [Axis]: KBHS Acquisition, LLC (d/b/a Alita Care, LLC), First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   2.0
Investment, Identifier [Axis]: KBHS Acquisition, LLC (d/b/a Alita Care, LLC), First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.4
Investment, Identifier [Axis]: KBHS Acquisition, LLC (d/b/a Alita Care, LLC), First lien senior secured revolving loan 3    
Schedule of Investments [Line Items]    
Principal [1],[2]   1.1
Investment, Identifier [Axis]: KNPC HoldCo, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   5.5
Investment, Identifier [Axis]: KNPC HoldCo, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 5.5 [4],[5] 1.3 [1],[2]
Investment, Identifier [Axis]: KNPC HoldCo, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 1.3 [4],[5] 2.7 [1],[2]
Investment, Identifier [Axis]: KNPC HoldCo, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 2.7 [4],[5] 27.6 [1],[2]
Investment, Identifier [Axis]: KNPC HoldCo, LLC, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal [4],[5] 27.6  
Investment, Identifier [Axis]: KPS Global LLC and Cool Group LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.4 3.4
Investment, Identifier [Axis]: KPS Global LLC and Cool Group LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 5.2  
Investment, Identifier [Axis]: KPS Global LLC and Cool Group LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   5.2
Investment, Identifier [Axis]: Kaseya Inc. and Knockout Intermediate Holdings I Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   21.3
Investment, Identifier [Axis]: Kaseya Inc. and Knockout Intermediate Holdings I Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   172.8
Investment, Identifier [Axis]: Kaseya Inc. and Knockout Intermediate Holdings I Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[11]   4.9
Investment, Identifier [Axis]: Kellermeyer Bergensons Services, LLC and KBS TopCo, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   3.1
Investment, Identifier [Axis]: Kellermeyer Bergensons Services, LLC and KBS TopCo, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 43.8 [4],[5] 41.9 [1],[2]
Investment, Identifier [Axis]: Kellermeyer Bergensons Services, LLC and KBS TopCo, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 14.7 [5],[12] 13.8 [1],[2]
Investment, Identifier [Axis]: Kene Acquisition, Inc. and Kene Holdings, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.0 1.0
Investment, Identifier [Axis]: Kene Acquisition, Inc. and Kene Holdings, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 5.3 [4],[5] 5.3 [1],[2]
Investment, Identifier [Axis]: Keystone Agency Partners LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.6 1.0
Investment, Identifier [Axis]: Keystone Agency Partners LLC ,First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.1
Investment, Identifier [Axis]: Keystone Agency Partners LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 12.9 [4],[5] 12.0 [1],[2]
Investment, Identifier [Axis]: Keystone Agency Partners LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 6.4 [4],[5] 6.5 [1],[2]
Investment, Identifier [Axis]: Keystone Agency Partners LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [4],[5] 6.2  
Investment, Identifier [Axis]: King Risk Partners, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 9.0  
Investment, Identifier [Axis]: King Risk Partners, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 9.8  
Investment, Identifier [Axis]: Kings Buyer, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.2 1.2
Investment, Identifier [Axis]: Kings Buyer, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 16.2 [4],[5] 16.3 [1],[2]
Investment, Identifier [Axis]: Kings Buyer, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 1.8 [4],[5] 0.4 [1],[2]
Investment, Identifier [Axis]: LBC Woodlands Purchaser LLC and LBC Woodlands Holdings LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 9.7 9.7
Investment, Identifier [Axis]: LBC Woodlands Purchaser LLC and LBC Woodlands Holdings LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 19.1 [4],[5] 19.1 [1],[2]
Investment, Identifier [Axis]: LJ Perimeter Buyer, Inc. and LJ Perimeter Co-Invest, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   1.9
Investment, Identifier [Axis]: LJ Perimeter Buyer, Inc. and LJ Perimeter Co-Invest, L.P. 1    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.9  
Investment, Identifier [Axis]: LJ Perimeter Buyer, Inc. and LJ Perimeter Co-Invest, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 39.3 [4],[5] 39.4 [1],[2]
Investment, Identifier [Axis]: LJP Purchaser, Inc. and LJP Topco, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.0 3.1
Investment, Identifier [Axis]: LJP Purchaser, Inc. and LJP Topco, LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 9.7 [4],[5] 9.6 [1],[2]
Investment, Identifier [Axis]: Laboratories Bidco LLC and Laboratories Topco LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.8 9.6
Investment, Identifier [Axis]: Laboratories Bidco LLC and Laboratories Topco LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 24.2 [4],[5] 22.6 [1],[2]
Investment, Identifier [Axis]: Laboratories Bidco LLC and Laboratories Topco LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 17.2 [4],[5] 17.0 [1],[2]
Investment, Identifier [Axis]: Laboratories Bidco LLC and Laboratories Topco LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: Laboratories Bidco LLC and Laboratories Topco LLC, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal 4.6 [4],[5] 4.5 [1],[2]
Investment, Identifier [Axis]: Laboratories Bidco LLC and Laboratories Topco LLC, First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal 14.6 [4],[5] 0.6 [1],[2]
Investment, Identifier [Axis]: Laboratories Bidco LLC and Laboratories Topco LLC, First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal 2.6 [4],[5] 9.5 [1],[2]
Investment, Identifier [Axis]: Largest Portfolio Company Investment | Senior Direct Lending Program    
Schedule of Investments [Line Items]    
Principal 420.0 400.0
Investment, Identifier [Axis]: LeanTaaS Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 12.5 17.2
Investment, Identifier [Axis]: LeanTaaS Holdings, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 69.0  
Investment, Identifier [Axis]: LeanTaaS Holdings, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   34.7
Investment, Identifier [Axis]: LeanTaaS Holdings, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   29.6
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC and ASM Buyer, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   11.6
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC and ASM Buyer, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   57.2
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC and ASM Buyer, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   1.1
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC and Stadium Coinvest (B)-III, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 8.3  
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC, ASM Buyer, Inc., Legends ASM Holdco I, LLC, and Stadium Coinvest (B)-III, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 57.7  
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC, ASM Buyer, Inc., Legends ASM Holdco I, LLC, and Stadium Coinvest (B)-III, L.P., First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5],[7] 4.4  
Investment, Identifier [Axis]: Leviathan Intermediate Holdco, LLC and Leviathan Holdings, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.8 1.5
Investment, Identifier [Axis]: Leviathan Intermediate Holdco, LLC and Leviathan Holdings, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   30.3
Investment, Identifier [Axis]: Leviathan Intermediate Holdco, LLC and Leviathan Holdings, L.P., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 30.1  
Investment, Identifier [Axis]: Leviathan Intermediate Holdco, LLC and Leviathan Holdings, L.P., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5] 1.4  
Investment, Identifier [Axis]: Leviathan Intermediate Holdco, LLC and Leviathan Holdings, L.P., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.7  
Investment, Identifier [Axis]: Lew's Intermediate Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.1 1.3
Investment, Identifier [Axis]: Lew's Intermediate Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 1.0 [4],[5] 1.0 [1],[2]
Investment, Identifier [Axis]: Lew's Intermediate Holdings, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 2.2 [5],[7] 1.0 [1],[11]
Investment, Identifier [Axis]: Lido Advisors, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 8.7 6.7
Investment, Identifier [Axis]: Lido Advisors, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 6.0 [4],[5] 5.1 [1],[2]
Investment, Identifier [Axis]: Lido Advisors, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 6.3 [4],[5] 6.0 [1],[2]
Investment, Identifier [Axis]: Lido Advisors, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 0.8 [4],[5] 2.7 [1],[2]
Investment, Identifier [Axis]: Lido Advisors, LLC, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal [4],[5] 2.2  
Investment, Identifier [Axis]: Lido Advisors, LLC, First lien senior secured loan 5    
Schedule of Investments [Line Items]    
Principal [4],[5] 2.8  
Investment, Identifier [Axis]: Lido Advisors, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 1.2 [4],[5],[7] 0.8 [1],[2],[11]
Investment, Identifier [Axis]: LifeStyles Bidco Ltd., Lifestyles US Holdco, Inc. and LifeStyles Parent, L.P., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 18.2 [4],[5],[6] 18.3 [1],[2],[3]
Investment, Identifier [Axis]: LifeStyles Bidco Ltd., Lifestyles US Holdco, Inc. and LifeStyles Parent, L.P., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 9.3 [4],[5],[6] 8.3 [1],[2],[3]
Investment, Identifier [Axis]: Lifescan Global Corporation, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 6.7 [5],[10],[12] 11.4 [1],[8],[9]
Investment, Identifier [Axis]: Lifescan Global Corporation, Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 0.2 [5],[12] 0.2 [1],[8]
Investment, Identifier [Axis]: Lightbeam Bidco, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.1 3.5
Investment, Identifier [Axis]: Lightbeam Bidco, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 5.2 [4],[5] 5.2 [1],[2]
Investment, Identifier [Axis]: Lightbeam Bidco, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 3.3 [4],[5] 3.4 [1],[2]
Investment, Identifier [Axis]: Lightbeam Bidco, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.3 [4],[5],[7] 0.0 [1],[2],[14]
Investment, Identifier [Axis]: Linden Structured Capital Fund II-A LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.1 0.8
Investment, Identifier [Axis]: LivTech Purchaser, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.5 7.0
Investment, Identifier [Axis]: LivTech Purchaser, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 9.3 [4],[5] 4.9 [1],[2]
Investment, Identifier [Axis]: MP Midco Holdings, LLC and MP Topco Holdings, LLC (fka H-Food Holdings, LLC), First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[10] 9.6  
Investment, Identifier [Axis]: MRI Software LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.6 3.6
Investment, Identifier [Axis]: MRI Software LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 13.4 [4],[5] 0.2 [1],[2]
Investment, Identifier [Axis]: MRI Software LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 23.8 [4],[5] 14.4 [1],[2]
Investment, Identifier [Axis]: MRI Software LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [1],[2]   23.9
Investment, Identifier [Axis]: MRI Software LLC., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.2  
Investment, Identifier [Axis]: MSIS Holdings, Inc. and MS Precision Parent, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 12.4  
Investment, Identifier [Axis]: MSIS Holdings, Inc. and MS Precision Parent, LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 23.6  
Investment, Identifier [Axis]: MSIS Holdings, Inc. and MS Precision Parent, LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.8  
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 8.5 4.9
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 10.2  
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   9.8
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.5 [4],[5],[6] 0.3 [1],[2],[3]
Investment, Identifier [Axis]: Majesco and Magic Topco, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.0 2.0
Investment, Identifier [Axis]: Majesco and Magic Topco, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 17.9 [4],[5] 18.0 [1],[2]
Investment, Identifier [Axis]: Manna Pro Products, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 7.0 0.2
Investment, Identifier [Axis]: Manna Pro Products, LLC, First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   5.1
Investment, Identifier [Axis]: Manna Pro Products, LLC, First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   1.8
Investment, Identifier [Axis]: Marcone Yellowstone Buyer Inc. and Marcone Yellowstone Holdings, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 0.4 [4],[5] 0.4 [1],[2]
Investment, Identifier [Axis]: Marcone Yellowstone Buyer Inc. and Marcone Yellowstone Holdings, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.2 [4],[5] 0.2 [1],[2]
Investment, Identifier [Axis]: Maverick Acquisition, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[8]   27.1
Investment, Identifier [Axis]: Mavis Tire Express Services Topco Corp., Metis HoldCo, Inc., and Metis TopCo, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   11.3
Investment, Identifier [Axis]: Mavis Tire Express Services Topco Corp., Metis HoldCo, Inc., and Metis TopCo, LP, First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [1],[11]   18.4
Investment, Identifier [Axis]: Mavis Tire Express Services Topco Corp., Metis Holdco, Inc. and Metis Topco, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 23.5  
Investment, Identifier [Axis]: Mavis Tire Express Services Topco Corp., Metis Holdco, Inc. and Metis Topco, LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [5],[7] 1.4  
Investment, Identifier [Axis]: Max US Bidco Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 1.0 [5],[10] 1.0 [1],[9]
Investment, Identifier [Axis]: McKenzie Creative Brands, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.5 3.1
Investment, Identifier [Axis]: McKenzie Creative Brands, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[16] 84.5  
Investment, Identifier [Axis]: McKenzie Creative Brands, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 5.5 [4],[5] 84.5 [1],[2],[17]
Investment, Identifier [Axis]: McKenzie Creative Brands, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   5.5
Investment, Identifier [Axis]: McKenzie Creative Brands, LLC, First lien senior secured loan, First Out Tranche    
Schedule of Investments [Line Items]    
Principal 36.2 38.7
Investment, Identifier [Axis]: McKenzie Creative Brands, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   1.4
Investment, Identifier [Axis]: Medlar Bidco Limited    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 8.9 64.3
Investment, Identifier [Axis]: Medlar Bidco Limited, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 27.7  
Investment, Identifier [Axis]: Medlar Bidco Limited, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 33.9  
Investment, Identifier [Axis]: Metatiedot Bidco OY and Metatiedot US, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.2 3.5
Investment, Identifier [Axis]: Metatiedot Bidco OY and Metatiedot US, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 8.2  
Investment, Identifier [Axis]: Metatiedot Bidco OY and Metatiedot US, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   7.2
Investment, Identifier [Axis]: Metatiedot Bidco OY and Metatiedot US, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   5.2
Investment, Identifier [Axis]: Metatiedot Bidco OY and Metatiedot US, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   0.2
Investment, Identifier [Axis]: Metatiedot Bidco OY and Metatiedot US, LLC., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 5.2  
Investment, Identifier [Axis]: Meyer Laboratory, LLC and Meyer Parent, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.1 11.6
Investment, Identifier [Axis]: Meyer Laboratory, LLC and Meyer Parent, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 31.8 [4],[5] 27.1 [1],[2]
Investment, Identifier [Axis]: Meyer Laboratory, LLC and Meyer Parent, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 1.7  
Investment, Identifier [Axis]: Microstar Logistics LLC, Microstar Global Asset Management LLC, MStar Holding Corporation and Kegstar USA Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 135.8  
Investment, Identifier [Axis]: Microstar Logistics LLC, Microstar Global Asset Management LLC, MStar Holding Corporation and Kegstar USA Inc., Second lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   68.1
Investment, Identifier [Axis]: Microstar Logistics LLC, Microstar Global Asset Management LLC, MStar Holding Corporation and Kegstar USA Inc., Second lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   68.1
Investment, Identifier [Axis]: Mimecast Borrowerco, Inc. and Magnesium Co- Invest SCSp, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 58.2 [4],[5],[6] 68.5 [1],[2],[3]
Investment, Identifier [Axis]: Mimecast Borrowerco, Inc. and Magnesium Co- Invest SCSp, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 38.5 [4],[5],[6] 35.3 [1],[2],[3]
Investment, Identifier [Axis]: Mimecast Borrowerco, Inc. and Magnesium Co- Invest SCSp, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 5.1 [4],[5],[6] 5.2 [1],[2],[3]
Investment, Identifier [Axis]: Ministry Brands Holdings, LLC and RCP MB Investments B, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 7.3 8.0
Investment, Identifier [Axis]: Ministry Brands Holdings, LLC and RCP MB Investments B, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 38.8 [4],[5] 39.0 [1],[2]
Investment, Identifier [Axis]: Ministry Brands Holdings, LLC and RCP MB Investments B, L.P., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.7  
Investment, Identifier [Axis]: Modernizing Medicine, Inc. and ModMed Software Midco Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 9.1  
Investment, Identifier [Axis]: Modernizing Medicine, Inc. and ModMed Software Midco Holdings, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 69.6  
Investment, Identifier [Axis]: Modigent, LLC and OMERS PMC Investment Holdings LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 6.9 7.2
Investment, Identifier [Axis]: Modigent, LLC and OMERS PMC Investment Holdings LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 12.3 [4],[5] 3.4 [1],[2]
Investment, Identifier [Axis]: Modigent, LLC and OMERS PMC Investment Holdings LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 6.3 [4],[5] 2.8 [1],[2]
Investment, Identifier [Axis]: Modigent, LLC and OMERS PMC Investment Holdings LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 2.2  
Investment, Identifier [Axis]: Modigent, LLC and OMERS PMC Investment Holdings LLC, First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   5.4
Investment, Identifier [Axis]: Monica Holdco (US) Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.6 3.6
Investment, Identifier [Axis]: Monica Holdco (US) Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   2.5
Investment, Identifier [Axis]: Monica Holdco (US) Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   2.7
Investment, Identifier [Axis]: Monica Holdco (US) Inc., First lien senior secured loan1    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 2.5  
Investment, Identifier [Axis]: Monica Holdco (US) Inc., First lien senior secured loan2    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 2.7  
Investment, Identifier [Axis]: Moonraker AcquisitionCo LLC and Moonraker HoldCo LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.1 0.8
Investment, Identifier [Axis]: Moonraker AcquisitionCo LLC and Moonraker HoldCo LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 24.5 [4],[5] 24.6 [1],[2]
Investment, Identifier [Axis]: Moonraker AcquisitionCo LLC and Moonraker HoldCo LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.4 [1],[2]
Investment, Identifier [Axis]: Motor Vehicle Software Corporation    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 7.0  
Investment, Identifier [Axis]: Motor Vehicle Software Corporation, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 82.5  
Investment, Identifier [Axis]: Mountaineer Merger Corporation    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 7.9 3.7
Investment, Identifier [Axis]: Mountaineer Merger Corporation, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 5.5 [5] 9.7 [1]
Investment, Identifier [Axis]: Mr. Greens Intermediate, LLC, Florida Veg Investments LLC, MRG Texas, LLC and Restaurant Produce and Services Blocker, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 6.8 6.0
Investment, Identifier [Axis]: Mr. Greens Intermediate, LLC, Florida Veg Investments LLC, MRG Texas, LLC and Restaurant Produce and Services Blocker, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 2.4 [4],[5] 9.6 [1],[2]
Investment, Identifier [Axis]: Mr. Greens Intermediate, LLC, Florida Veg Investments LLC, MRG Texas, LLC and Restaurant Produce and Services Blocker, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.4  
Investment, Identifier [Axis]: Mr. Greens Intermediate, LLC, Florida Veg Investments LLC, MRG Texas, LLC and Restaurant Produce and Services Blocker, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 9.6  
Investment, Identifier [Axis]: Mr. Greens Intermediate, LLC, Florida Veg Investments LLC, MRG Texas, LLC and Restaurant Produce and Services Blocker, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.9 [4],[5],[7] 0.0 [1],[2],[14]
Investment, Identifier [Axis]: Mustang Prospects Holdco, LLC, Mustang Prospects Purchaser, LLC and Senske Acquisition, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.4  
Investment, Identifier [Axis]: Mustang Prospects Holdco, LLC, Mustang Prospects Purchaser, LLC and Senske Acquisition, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 23.8 [4],[5] 23.8 [1],[2]
Investment, Identifier [Axis]: Mustang Prospects Holdco, LLC, Mustang Prospects Purchaser, LLC and Senske Acquisition, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[7] 0.1  
Investment, Identifier [Axis]: Mustang Prospects Purchaser, LLC and Senske Acquisition, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   5.7
Investment, Identifier [Axis]: NAS, LLC and Nationwide Marketing Group, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.1 1.5
Investment, Identifier [Axis]: NAS, LLC and Nationwide Marketing Group, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 6.1 [4],[5] 6.1 [1],[2]
Investment, Identifier [Axis]: NAS, LLC and Nationwide Marketing Group, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 2.3 [4],[5] 2.3 [1],[2]
Investment, Identifier [Axis]: NAS, LLC and Nationwide Marketing Group, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 1.3 [4],[5] 1.3 [1],[2]
Investment, Identifier [Axis]: NAS, LLC and Nationwide Marketing Group, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 1.9 [4],[5] 1.5 [1],[2]
Investment, Identifier [Axis]: NCP-MSI Buyer, Inc. and NCP MSI Co-Invest, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 11.5  
Investment, Identifier [Axis]: NCP-MSI Buyer, Inc. and NCP MSI Co-Invest, LP 1    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.4  
Investment, Identifier [Axis]: NCP-MSI Buyer, Inc. and NCP MSI Co-Invest, LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 25.5  
Investment, Identifier [Axis]: NCP-MSI Buyer, Inc. and NCP MSI Co-Invest, LP, First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 5.0  
Investment, Identifier [Axis]: NCP-MSI Buyer, Inc. and NCP MSI Co-Invest, LP, First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5],[7] 1.7  
Investment, Identifier [Axis]: NMC Skincare Intermediate Holdings II, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 7.6 7.7
Investment, Identifier [Axis]: NMC Skincare Intermediate Holdings II, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 28.4 [4],[5] 30.4 [1],[2]
Investment, Identifier [Axis]: NMC Skincare Intermediate Holdings II, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 4.2 [4],[5] 4.5 [1],[2]
Investment, Identifier [Axis]: NMC Skincare Intermediate Holdings II, LLC, First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal 1.5 [4],[5] 5.0 [1],[2]
Investment, Identifier [Axis]: NMC Skincare Intermediate Holdings II, LLC, First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal 0.2 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: NMN Holdings III Corp. and NMN Holdings LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 62.3 59.4
Investment, Identifier [Axis]: NMN Holdings III Corp. and NMN Holdings LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 165.9 [4],[5] 247.0 [1],[2]
Investment, Identifier [Axis]: NMN Holdings III Corp. and NMN Holdings LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.7 [4],[5],[7] 3.6 [1],[2],[11]
Investment, Identifier [Axis]: Nelipak Holding Company, Nelipak European Holdings Cooperatief U.A., KNPAK Holdings, LP and PAKNK Netherlands Treasury B.V.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 23.5 21.5
Investment, Identifier [Axis]: Nelipak Holding Company, Nelipak European Holdings Cooperatief U.A., KNPAK Holdings, LP and PAKNK Netherlands Treasury B.V., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 16.4 [4],[5],[6] 16.5 [1],[2],[3]
Investment, Identifier [Axis]: Nelipak Holding Company, Nelipak European Holdings Cooperatief U.A., KNPAK Holdings, LP and PAKNK Netherlands Treasury B.V., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 36.3 [4],[5],[6] 32.1 [1],[2],[3]
Investment, Identifier [Axis]: Nelipak Holding Company, Nelipak European Holdings Cooperatief U.A., KNPAK Holdings, LP and PAKNK Netherlands Treasury B.V., First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal 1.6 [4],[5],[6] 1.1 [1],[2],[3]
Investment, Identifier [Axis]: Nelipak Holding Company, Nelipak European Holdings Cooperatief U.A., KNPAK Holdings, LP and PAKNK Netherlands Treasury B.V., First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5],[6] 0.6 [1],[2],[3]
Investment, Identifier [Axis]: Neptune Bidco US Inc. and Elliott Metron Co-Investor Aggregator L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 12.3 12.3
Investment, Identifier [Axis]: Neptune Bidco US Inc. and Elliott Metron Co-Investor Aggregator L.P., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 80.3 [4],[5],[10] 80.7 [1],[2],[9]
Investment, Identifier [Axis]: Neptune Bidco US Inc. and Elliott Metron Co-Investor Aggregator L.P., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 97.3 [4],[5],[10] 97.8 [1],[2],[9]
Investment, Identifier [Axis]: Neptune Bidco US Inc. and Elliott Metron Co-Investor Aggregator L.P., First lien senior secured note    
Schedule of Investments [Line Items]    
Principal [1],[9]   52.8
Investment, Identifier [Axis]: Neptune Bidco US Inc. and Elliott Metron Co-Investor Aggregator L.P., First lien senior secured notes    
Schedule of Investments [Line Items]    
Principal [5],[10] 52.8  
Investment, Identifier [Axis]: Neptune Bidco US Inc. and Elliott Metron Co-Investor Aggregator L.P., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[14]   0.0
Investment, Identifier [Axis]: Neptune Bidco US Inc. and Elliott Metron Co-Investor Aggregator L.P., Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 203.4 [4],[5] 227.5 [1],[2]
Investment, Identifier [Axis]: Netsmart, Inc. and Netsmart Technologies, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 33.8 33.8
Investment, Identifier [Axis]: Netsmart, Inc. and Netsmart Technologies, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 32.7 [4],[5] 141.0 [1],[2]
Investment, Identifier [Axis]: New ChurcHill HoldCo LLC and Victory Topco, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   9.8
Investment, Identifier [Axis]: New ChurcHill HoldCo LLC and Victory Topco, LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 18.4 [4],[5] 14.4 [1],[2]
Investment, Identifier [Axis]: New Churchill Holdco LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.7  
Investment, Identifier [Axis]: Next Holdco, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.4 2.4
Investment, Identifier [Axis]: Next Holdco, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 6.5 [4],[5] 6.5 [1],[2]
Investment, Identifier [Axis]: Nomi Health, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 11.4 [4],[5] 11.4 [1],[2]
Investment, Identifier [Axis]: Nomi Health, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 6.8 [4],[5] 6.8 [1],[2]
Investment, Identifier [Axis]: Nordic Ferry Infrastructure AS Senior subordinated loan 2    
Schedule of Investments [Line Items]    
Principal [1],[3]   0.1
Investment, Identifier [Axis]: Nordic Ferry Infrastructure AS, Senior subordinated loan 1    
Schedule of Investments [Line Items]    
Principal 0.1 [5],[6] 0.1 [1],[3]
Investment, Identifier [Axis]: Nordic Ferry Infrastructure AS, Senior subordinated loan 2    
Schedule of Investments [Line Items]    
Principal [5],[6] 0.1  
Investment, Identifier [Axis]: North American Science Associates, LLC, Cardinal Purchaser LLC and Cardinal Topco Holdings, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.0 0.0
Investment, Identifier [Axis]: North American Science Associates, LLC, Cardinal Purchaser LLC and Cardinal Topco Holdings, L.P., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 46.3 [4],[5] 46.6 [1],[2]
Investment, Identifier [Axis]: North American Science Associates, LLC, Cardinal Purchaser LLC and Cardinal Topco Holdings, L.P., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: North American Science Associates, LLC, Cardinal Purchaser LLC and Cardinal Topco Holdings, L.P., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 2.5 [4],[5] 2.5 [1],[2]
Investment, Identifier [Axis]: North American Science Associates, LLC, Cardinal Purchaser LLC and Cardinal Topco Holdings, L.P., First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal 9.2 [4],[5] 9.3 [1],[2]
Investment, Identifier [Axis]: North American Science Associates, LLC, Cardinal Purchaser LLC and Cardinal Topco Holdings, L.P., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 2.5 [4],[5] 2.5 [1],[2]
Investment, Identifier [Axis]: North American Science Associates, LLC, Cardinal Purchaser LLC and Cardinal Topco Holdings, L.P., Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal [1]   1.7
Investment, Identifier [Axis]: North American Science Associates, LLC, Cardinal Purchaser LLC and Cardinal Topco Holdings, L.P., Senior subordinated loan 2    
Schedule of Investments [Line Items]    
Principal [1]   1.0
Investment, Identifier [Axis]: North American Science Associates, LLC, Cardinal Purchaser LLC and Cardinal Topco Holdings, L.P., Senior subordinated loan 3    
Schedule of Investments [Line Items]    
Principal [5] 1.7  
Investment, Identifier [Axis]: North Haven Fairway Buyer, LLC and Fairway Lawns, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 17.6  
Investment, Identifier [Axis]: North Haven Fairway Buyer, LLC and Fairway Lawns, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5] 3.4  
Investment, Identifier [Axis]: North Haven Fairway Buyer, LLC and Fairway Lawns, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [4],[5] 10.1  
Investment, Identifier [Axis]: North Haven Fairway Buyer, LLC and Fairway Lawns, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 3.0  
Investment, Identifier [Axis]: North Haven Fairway Buyer, LLC, Fairway Lawns, LLC and Command Pest Control, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.6 6.8
Investment, Identifier [Axis]: North Haven Fairway Buyer, LLC, Fairway Lawns, LLC and Command Pest Control, LLC , First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   17.7
Investment, Identifier [Axis]: North Haven Fairway Buyer, LLC, Fairway Lawns, LLC and Command Pest Control, LLC , First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   2.4
Investment, Identifier [Axis]: North Haven Fairway Buyer, LLC, Fairway Lawns, LLC and Command Pest Control, LLC , First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   2.8
Investment, Identifier [Axis]: North Haven Falcon Buyer, LLC and North Haven Falcon Holding Company, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 28.4 [5],[12] 27.6 [1],[8]
Investment, Identifier [Axis]: North Haven Stack Buyer, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.1 8.3
Investment, Identifier [Axis]: North Haven Stack Buyer, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 8.6 [4],[5] 9.7 [1],[2]
Investment, Identifier [Axis]: North Haven Stack Buyer, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5] 2.2  
Investment, Identifier [Axis]: North Haven Stack Buyer, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 0.3 [5] 4.0 [1],[2]
Investment, Identifier [Axis]: North Haven Stack Buyer, LLC, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal 0.3 [4],[5] 2.2 [1],[2]
Investment, Identifier [Axis]: North Haven Stack Buyer, LLC, First lien senior secured loan 5    
Schedule of Investments [Line Items]    
Principal 2.7 [5] 3.9 [1],[2]
Investment, Identifier [Axis]: North Haven Stack Buyer, LLC, First lien senior secured loan 6    
Schedule of Investments [Line Items]    
Principal [4],[5] 7.6  
Investment, Identifier [Axis]: North Haven Stack Buyer, LLC, First lien senior secured loan 7    
Schedule of Investments [Line Items]    
Principal [4],[5] 6.8  
Investment, Identifier [Axis]: North Haven Stack Buyer, LLC, First lien senior secured loan 8    
Schedule of Investments [Line Items]    
Principal [4],[5] 2.1  
Investment, Identifier [Axis]: North Haven Stack Buyer, LLC, First lien senior secured loan 9    
Schedule of Investments [Line Items]    
Principal [4],[5] 2.7  
Investment, Identifier [Axis]: North Haven Stack Buyer, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 2.4 [4],[5] 1.3 [1],[2]
Investment, Identifier [Axis]: North Star Acquisitionco, LLC and Toucan Bidco Limited    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.3 3.3
Investment, Identifier [Axis]: North Star Acquisitionco, LLC and Toucan Bidco Limited, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 6.2 [5],[6] 3.6 [1],[3]
Investment, Identifier [Axis]: North Star Acquisitionco, LLC and Toucan Bidco Limited, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 3.9 [5],[6] 29.5 [1],[2],[3]
Investment, Identifier [Axis]: North Star Acquisitionco, LLC and Toucan Bidco Limited, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 25.5 [4],[5],[6] 1.7 [1],[3]
Investment, Identifier [Axis]: North Star Acquisitionco, LLC and Toucan Bidco Limited, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 1.7  
Investment, Identifier [Axis]: North Star Acquisitionco, LLC and Toucan Bidco Limited, First lien senior secured loan 5    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 4.0  
Investment, Identifier [Axis]: North Star Acquisitionco, LLC and Toucan Bidco Limited, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[3]   5.5
Investment, Identifier [Axis]: Northwinds Holding, Inc. and Northwinds Services Group LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 19.6 10.6
Investment, Identifier [Axis]: Northwinds Holding, Inc. and Northwinds Services Group LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 6.2 [4],[5] 27.1 [1],[2]
Investment, Identifier [Axis]: Northwinds Holding, Inc. and Northwinds Services Group LLC, First lien senior secured loan1    
Schedule of Investments [Line Items]    
Principal [4],[5] 26.9  
Investment, Identifier [Axis]: Northwinds Holding, Inc. and Northwinds Services Group LLC, First lien senior secured loan2    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.3  
Investment, Identifier [Axis]: Northwinds Holding, Inc. and Northwinds Services Group LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.8
Investment, Identifier [Axis]: Novipax Buyer, L.L.C. and Novipax Parent Holding Company, L.L.C., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 22.2 [4],[5] 22.1 [1],[2]
Investment, Identifier [Axis]: Novipax Buyer, L.L.C. and Novipax Parent Holding Company, L.L.C., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.3 [4],[5] 0.3 [1],[2]
Investment, Identifier [Axis]: OMH-HealthEdge Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   7.2
Investment, Identifier [Axis]: OMH-HealthEdge Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   96.9
Investment, Identifier [Axis]: OPH NEP Investment, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [5] 31.4  
Investment, Identifier [Axis]: OPH NEP Investment, LLC, Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal 4.2 [5] 30.3 [1]
Investment, Identifier [Axis]: OTG Concessions Management, LLC and Octa Parent Holdings, LLC, Second lien notes    
Schedule of Investments [Line Items]    
Principal 8.8 [5] 8.0 [1]
Investment, Identifier [Axis]: OakBridge Insurance Agency LLC and Maple Acquisition Holdings, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.2 3.2
Investment, Identifier [Axis]: OakBridge Insurance Agency LLC and Maple Acquisition Holdings, LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 10.4 [4],[5] 8.8 [1],[2]
Investment, Identifier [Axis]: OakBridge Insurance Agency LLC and Maple Acquisition Holdings, LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.2 [1],[2]
Investment, Identifier [Axis]: Offen, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 0.1 [5] 0.1 [1]
Investment, Identifier [Axis]: Olympia Acquisition, Inc., Olympia TopCo, L.P., and Asclepius Holdings LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.9 0.9
Investment, Identifier [Axis]: Olympia Acquisition, Inc., Olympia TopCo, L.P., and Asclepius Holdings LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 4.0 [4],[5] 64.8 [1],[8]
Investment, Identifier [Axis]: Olympia Acquisition, Inc., Olympia TopCo, L.P., and Asclepius Holdings LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 69.5 [5],[12] 13.2 [1],[8]
Investment, Identifier [Axis]: Olympia Acquisition, Inc., Olympia TopCo, L.P., and Asclepius Holdings LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 14.1 [5],[12] 3.7 [1],[2]
Investment, Identifier [Axis]: OneDigital Borrower LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 15.7 15.7
Investment, Identifier [Axis]: OneDigital Borrower LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[14]   0.0
Investment, Identifier [Axis]: Opal Fuels Intermediate HoldCo LLC, and Opal Fuels Inc.    
Schedule of Investments [Line Items]    
Principal [5],[6] 0.1  
Investment, Identifier [Axis]: Opal Fuels Intermediate HoldCo LLC, and Opal Fuels Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[3]   0.1
Investment, Identifier [Axis]: OpenMarket Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   16.1
Investment, Identifier [Axis]: Optimizely North America Inc. and Optimizely Sweden Holdings AB    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.8 0.8
Investment, Identifier [Axis]: Optimizely North America Inc. and Optimizely Sweden Holdings AB, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 5.7 [4],[5],[6] 5.7 [1],[2],[3]
Investment, Identifier [Axis]: Optimizely North America Inc. and Optimizely Sweden Holdings AB, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 2.2 [4],[5],[6] 2.0 [1],[2],[3]
Investment, Identifier [Axis]: Optimizely North America Inc. and Optimizely Sweden Holdings AB, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 1.0 [4],[5],[6] 0.9 [1],[2],[3]
Investment, Identifier [Axis]: Osmose Utilities Services, Inc. and Pine Intermediate Holding LLC, Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 55.3 [4],[5] 55.3 [1],[2]
Investment, Identifier [Axis]: PCG-Ares Sidecar Investment, L.P. and PCG-Ares Sidecar Investment II, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 37.6 37.6
Investment, Identifier [Axis]: PCIA SPV-3, LLC and ASE Royal Aggregator, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.9 2.5
Investment, Identifier [Axis]: PCIA SPV-3, LLC and ASE Royal Aggregator, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 8.4 [4],[5],[6] 6.9 [1],[2],[3]
Investment, Identifier [Axis]: PCMI Parent, LLC and PCMI Ultimate Holdings, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.2  
Investment, Identifier [Axis]: PCMI Parent, LLC and PCMI Ultimate Holdings, LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 21.2  
Investment, Identifier [Axis]: PCS MidCo, Inc. and PCS Parent, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.5 5.0
Investment, Identifier [Axis]: PCS MidCo, Inc. and PCS Parent, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 8.5 [4],[5] 8.5 [1],[2]
Investment, Identifier [Axis]: PCS MidCo, Inc. and PCS Parent, L.P., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.3 [4],[5] 0.8 [1],[2]
Investment, Identifier [Axis]: PDDS HoldCo, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.9 1.7
Investment, Identifier [Axis]: PDDS HoldCo, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 13.4 [4],[5] 12.5 [1],[2]
Investment, Identifier [Axis]: PDDS HoldCo, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.2 [4],[5] 0.2 [1],[2]
Investment, Identifier [Axis]: PDI TA Holdings, Inc., Peachtree Parent, Inc. and Insight PDI Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.5 2.5
Investment, Identifier [Axis]: PDI TA Holdings, Inc., Peachtree Parent, Inc. and Insight PDI Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 8.8  
Investment, Identifier [Axis]: PDI TA Holdings, Inc., Peachtree Parent, Inc. and Insight PDI Holdings, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   6.6
Investment, Identifier [Axis]: PDI TA Holdings, Inc., Peachtree Parent, Inc. and Insight PDI Holdings, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.1
Investment, Identifier [Axis]: PDI TA Holdings, Inc., Peachtree Parent, Inc. and Insight PDI Holdings, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.3  
Investment, Identifier [Axis]: PDI TA Holdings, Inc., Peachtree Parent, Inc. and Insight PDI Holdings, LLC, First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.7  
Investment, Identifier [Axis]: PS Operating Company LLC and PS Op Holdings LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.4 0.0
Investment, Identifier [Axis]: PS Operating Company LLC and PS Op Holdings LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 18.1 [5],[12] 17.2 [1],[8]
Investment, Identifier [Axis]: PS Operating Company LLC and PS Op Holdings LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 6.5 [5],[12] 6.8 [1],[8]
Investment, Identifier [Axis]: PSC Group LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 8.1  
Investment, Identifier [Axis]: PSC Parent, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   11.3
Investment, Identifier [Axis]: PSC Parent, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 53.6 [4],[5] 49.4 [1],[2]
Investment, Identifier [Axis]: PSC Parent, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[7] 2.0  
Investment, Identifier [Axis]: PSC Parent, Inc., First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2],[11]   3.4
Investment, Identifier [Axis]: PYE-Barker Fire & Safety, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 12.8 14.2
Investment, Identifier [Axis]: PYE-Barker Fire & Safety, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 14.1 [4],[5] 12.7 [1],[2]
Investment, Identifier [Axis]: PYE-Barker Fire & Safety, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.5 [4],[5] 0.5 [1],[2]
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   15.0
Investment, Identifier [Axis]: Paragon 28, Inc. and Paragon Advanced Technologies, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   8.0
Investment, Identifier [Axis]: Paragon 28, Inc. and Paragon Advanced Technologies, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   24.0
Investment, Identifier [Axis]: Paragon 28, Inc. and Paragon Advanced Technologies, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   0.1
Investment, Identifier [Axis]: Paris US Holdco, Inc. & 1001028292 Ontario Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 23.8 24.0
Investment, Identifier [Axis]: Paris US Holdco, Inc. & 1001028292 Ontario Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 77.3 [4],[5],[6] 77.5 [1],[2]
Investment, Identifier [Axis]: Paris US Holdco, Inc. & 1001028292 Ontario Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 0.1  
Investment, Identifier [Axis]: Paris US Holdco, Inc. & 1001028292 Ontario Inc., First lien senior secured revolving loan1    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 0.1  
Investment, Identifier [Axis]: Pathstone Family Office LLC and Kelso XI Tailwind Co-Investment, L.P 1.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.1  
Investment, Identifier [Axis]: Pathstone Family Office LLC and Kelso XI Tailwind Co-Investment, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.2 0.1
Investment, Identifier [Axis]: Pathstone Family Office LLC and Kelso XI Tailwind Co-Investment, L.P. (1)    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   4.2
Investment, Identifier [Axis]: Pathstone Family Office LLC and Kelso XI Tailwind Co-Investment, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 4.8  
Investment, Identifier [Axis]: Pathstone Family Office LLC and Kelso XI Tailwind Co-Investment, L.P., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 7.9 [4],[5],[6] 8.0 [1],[2],[3]
Investment, Identifier [Axis]: Pathstone Family Office LLC and Kelso XI Tailwind Co-Investment, L.P., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.3 [4],[5],[6] 0.3 [1],[2],[3]
Investment, Identifier [Axis]: Pathstone Family Office LLC and Kelso XI Tailwind Co-Investment, L.P., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 4.0 [4],[5],[6] 15.0 [1],[2],[3]
Investment, Identifier [Axis]: Pathstone Family Office LLC and Kelso XI Tailwind Co-Investment, L.P., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   4.9
Investment, Identifier [Axis]: Pathway Vet Alliance LLC and Jedi Group Holdings LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.8 1.7
Investment, Identifier [Axis]: Pathway Vet Alliance LLC and Jedi Group Holdings LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[14]   0.0
Investment, Identifier [Axis]: Pathway Vet Alliance LLC and Jedi Group Holdings LLC, Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 78.6 [5],[12] 76.3 [1],[2]
Investment, Identifier [Axis]: Patriot Growth Insurance Services, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.2 1.1
Investment, Identifier [Axis]: Patriot Growth Insurance Services, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 15.6 [4],[5] 15.7 [1],[2]
Investment, Identifier [Axis]: Patriot Growth Insurance Services, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   1.1
Investment, Identifier [Axis]: Pelican Products, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.1 0.7
Investment, Identifier [Axis]: Pelican Products, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 2.2 [4],[5] 1.6 [1],[2]
Investment, Identifier [Axis]: Pelican Products, Inc., Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 60.0 [4],[5] 60.0 [1],[2]
Investment, Identifier [Axis]: People Corporation    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 25.7 30.5
Investment, Identifier [Axis]: People Corporation, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 42.4 [4],[5],[6] 40.4 [1],[2],[3]
Investment, Identifier [Axis]: People Corporation, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 15.0 [4],[5],[6] 23.6 [1],[2],[3]
Investment, Identifier [Axis]: People Corporation, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 3.5 [4],[5],[6] 11.5 [1],[2],[3]
Investment, Identifier [Axis]: People Corporation, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 24.8  
Investment, Identifier [Axis]: People Corporation, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 3.8 [4],[5],[6] 3.5 [1],[2],[3]
Investment, Identifier [Axis]: Perforce Software, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 7.5 6.5
Investment, Identifier [Axis]: Perforce Software, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1]   1.0
Investment, Identifier [Axis]: Perigon Wealth Management, LLC, Perigon Wealth Advisors Holdings Company, LLC and CWC Fund I Co-Invest (Prism) LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.1 1.7
Investment, Identifier [Axis]: Perigon Wealth Management, LLC, Perigon Wealth Advisors Holdings Company, LLC and CWC Fund I Co-Invest (Prism) LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 2.9 [4],[5],[6] 2.3 [1],[2],[3]
Investment, Identifier [Axis]: PerkinElmer U.S. LLC and NM Polaris Co-Invest, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   1.1
Investment, Identifier [Axis]: PerkinElmer U.S. LLC and NM Polaris Co-Invest, L.P., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 17.1 [4],[5] 17.2 [1],[2]
Investment, Identifier [Axis]: PerkinElmer U.S. LLC and NM Polaris Co-Invest, L.P., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 2.7 [4],[5] 2.8 [1],[2]
Investment, Identifier [Axis]: PerkinElmer U.S. LLC and NM Polaris Co-Invest, L.P., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 4.3 [4],[5] 3.2 [1],[2]
Investment, Identifier [Axis]: PestCo Holdings, LLC and PestCo, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.1 2.1
Investment, Identifier [Axis]: PestCo Holdings, LLC and PestCo, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   2.5
Investment, Identifier [Axis]: PestCo Holdings, LLC and PestCo, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 2.5  
Investment, Identifier [Axis]: PestCo Holdings, LLC and PestCo, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.8 [4],[5] 0.8 [1],[2]
Investment, Identifier [Axis]: PetVet Care Centers, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 49.4 49.4
Investment, Identifier [Axis]: PetVet Care Centers, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 130.8 [4],[5] 131.4 [1],[2]
Investment, Identifier [Axis]: Petrus Buyer, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.8 1.8
Investment, Identifier [Axis]: Petrus Buyer, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   5.9
Investment, Identifier [Axis]: Petrus Buyer, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 4.9  
Investment, Identifier [Axis]: Petrus Buyer, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.9  
Investment, Identifier [Axis]: Petrus Buyer, Inc., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [4],[5] 1.2  
Investment, Identifier [Axis]: Petvisor Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 20.4 28.5
Investment, Identifier [Axis]: Petvisor Holdings, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 6.0 [4],[5] 5.9 [1],[2]
Investment, Identifier [Axis]: Petvisor Holdings, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 3.0 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: Petvisor Holdings, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 10.7 [4],[5] 3.7 [1],[2]
Investment, Identifier [Axis]: Petvisor Holdings, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   1.7
Investment, Identifier [Axis]: Phoenix YW Buyer, Inc. and Phoenix YW Parent, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.7 4.7
Investment, Identifier [Axis]: Phoenix YW Buyer, Inc. and Phoenix YW Parent, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 50.3 [4],[5],[6] 54.9 [1],[2],[3]
Investment, Identifier [Axis]: Ping Identity Holding Corp.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.2 0.2
Investment, Identifier [Axis]: Ping Identity Holding Corp., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 11.2 [4],[5] 11.2 [1],[2]
Investment, Identifier [Axis]: Pinnacle MEP Intermediate Holdco LLC and BPCP Pinnacle Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.9 6.6
Investment, Identifier [Axis]: Pinnacle MEP Intermediate Holdco LLC and BPCP Pinnacle Holdings, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 6.6 [4],[5] 5.6 [1],[2]
Investment, Identifier [Axis]: Pinnacle MEP Intermediate Holdco LLC and BPCP Pinnacle Holdings, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 1.1 [4],[5] 0.4 [1],[2]
Investment, Identifier [Axis]: Plaskolite PPC Intermediate II LLC and Plaskolite PPC Blocker LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 17.5  
Investment, Identifier [Axis]: Plaskolite PPC Intermediate II LLC and Plaskolite PPC Blocker LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 1.1 [4],[5],[7] 22.1 [1],[2],[9]
Investment, Identifier [Axis]: Plaskolite PPC Intermediate II LLC and Plaskolite PPC Blocker LLC, Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 260.5 [4],[5] 55.0 [1],[2]
Investment, Identifier [Axis]: Pluralsight, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 15.2  
Investment, Identifier [Axis]: Pluralsight, LLC and Pluralsight Holdings, LLC and Paradigmatic Holdco LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   15.2
Investment, Identifier [Axis]: Pluralsight, LLC and Pluralsight Holdings, LLC and Paradigmatic Holdco LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 21.6  
Investment, Identifier [Axis]: Pluralsight, LLC and Pluralsight Holdings, LLC and Paradigmatic Holdco LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5] 20.9  
Investment, Identifier [Axis]: Pluralsight, LLC and Pluralsight Holdings, LLC and Paradigmatic Holdco LLC., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   21.5
Investment, Identifier [Axis]: Pluralsight, LLC and Pluralsight Holdings, LLC and Paradigmatic Holdco LLC., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   19.7
Investment, Identifier [Axis]: Poseidon IntermediateCo, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 9.5  
Investment, Identifier [Axis]: Poseidon IntermediateCo, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 28.2  
Investment, Identifier [Axis]: Potomac Intermediate Holdings II LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.0  
Investment, Identifier [Axis]: PracticeTek Purchaser, LLC, PracticeTek MidCo, LLC and GSV PracticeTek Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 11.3 11.3
Investment, Identifier [Axis]: PracticeTek Purchaser, LLC, PracticeTek MidCo, LLC and GSV PracticeTek Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 36.4 [4],[5] 36.6 [1],[2]
Investment, Identifier [Axis]: PracticeTek Purchaser, LLC, PracticeTek MidCo, LLC and GSV PracticeTek Holdings, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.5 [4],[5] 0.5 [1],[2]
Investment, Identifier [Axis]: PracticeTek Purchaser, LLC, PracticeTek MidCo, LLC and GSV PracticeTek Holdings, LLC, Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal 50.0 [5] 46.7 [1]
Investment, Identifier [Axis]: Precision Concepts International LLC and Precision Concepts Canada Corporation    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 10.2 10.1
Investment, Identifier [Axis]: Precision Concepts International LLC and Precision Concepts Canada Corporation, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 11.4 [4],[5],[6] 11.5 [1],[2],[3]
Investment, Identifier [Axis]: Precision Concepts International LLC and Precision Concepts Canada Corporation, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5],[6] 0.1 [1],[2],[3]
Investment, Identifier [Axis]: Precision Concepts International LLC and Precision Concepts Canada Corporation, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5],[6] 0.1 [1],[2],[3]
Investment, Identifier [Axis]: Precision Concepts International LLC and Precision Concepts Canada Corporation, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 15.3  
Investment, Identifier [Axis]: Precision Concepts International LLC and Precision Concepts Canada Corporation, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 4.2  
Investment, Identifier [Axis]: Precision Concepts International LLC and Precision Concepts Canada Corporation, First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   3.6
Investment, Identifier [Axis]: Precision Concepts International LLC and Precision Concepts Canada Corporation, First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   0.7
Investment, Identifier [Axis]: Premier Specialties, Inc. and RMCF V CIV XLIV, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.0 2.5
Investment, Identifier [Axis]: Premier Specialties, Inc. and RMCF V CIV XLIV, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 28.1 [4],[5] 28.0 [1],[2]
Investment, Identifier [Axis]: Premier Specialties, Inc. and RMCF V CIV XLIV, L.P., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 2.5 [4],[5] 1.0 [1],[2]
Investment, Identifier [Axis]: Premiere Buyer, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 6.4 8.5
Investment, Identifier [Axis]: Premiere Buyer, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 5.5 [4],[5] 38.4 [1],[2]
Investment, Identifier [Axis]: Premiere Buyer, LLC, First lien senior secured loan1    
Schedule of Investments [Line Items]    
Principal [4],[5] 1.0  
Investment, Identifier [Axis]: Premise Health Holding Corp. and OMERS Bluejay Investment Holdings LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.6 4.9
Investment, Identifier [Axis]: Premise Health Holding Corp. and OMERS Bluejay Investment Holdings LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 53.9 [4],[5] 54.2 [1],[2]
Investment, Identifier [Axis]: Premise Health Holding Corp. and OMERS Bluejay Investment Holdings LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.3 [4],[5],[7] 0.0 [1],[2],[14]
Investment, Identifier [Axis]: Primo Water Holdings Inc / Triton Water Holdings Inc, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[10] 1.0  
Investment, Identifier [Axis]: Primo Water Holdings Inc / Triton Water Holdings Inc, Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal [5],[6],[10] 0.1  
Investment, Identifier [Axis]: Priority Waste Holdings LLC, Priority Waste Holdings Indiana LLC and Priority Waste Super Holdings, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 34.8 [4],[5] 34.5 [1],[2]
Investment, Identifier [Axis]: Priority Waste Holdings LLC, Priority Waste Holdings Indiana LLC and Priority Waste Super Holdings, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 11.1 [4],[5] 11.0 [1],[2]
Investment, Identifier [Axis]: Pritchard Industries, LLC and LJ Pritchard TopCo Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   20.1
Investment, Identifier [Axis]: Pritchard Industries, LLC and LJ Pritchard TopCo Holdings, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 66.6 [4],[5] 67.0 [1],[2]
Investment, Identifier [Axis]: Pritchard Industries, LLC and LJ Pritchard TopCo Holdings, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 18.9 [4],[5] 12.2 [1],[2]
Investment, Identifier [Axis]: Production Resource Group, L.L.C. and PRG III, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 53.9 [5],[12] 50.2 [1],[2]
Investment, Identifier [Axis]: Production Resource Group, L.L.C. and PRG III, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 16.9 [4],[5] 16.1 [1],[2]
Investment, Identifier [Axis]: Production Resource Group, L.L.C. and PRG III, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 8.3 [4],[5] 0.9 [1],[2]
Investment, Identifier [Axis]: Production Resource Group, L.L.C. and PRG III, LLC, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal 28.9 [4],[5] 7.8 [1],[2]
Investment, Identifier [Axis]: Production Resource Group, L.L.C. and PRG III, LLC, First lien senior secured loan 5    
Schedule of Investments [Line Items]    
Principal 2.6 [4],[5] 27.5 [1],[2]
Investment, Identifier [Axis]: Production Resource Group, L.L.C. and PRG III, LLC, First lien senior secured loan 6    
Schedule of Investments [Line Items]    
Principal [4],[5] 2.6  
Investment, Identifier [Axis]: Production Resource Group, L.L.C. and PRG III, LLC, First lien senior secured loan 7    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.9  
Investment, Identifier [Axis]: Professional Fighters League, LLC and PFL MMA, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 23.8 [5] 22.2 [1]
Investment, Identifier [Axis]: Professional Fighters League, LLC and PFL MMA, Inc., Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 0.2 [5] 0.2 [1]
Investment, Identifier [Axis]: ProfitSolv Purchaser, Inc. and PS Co-Invest, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   5.1
Investment, Identifier [Axis]: ProfitSolv Purchaser, Inc. and PS Co-Invest, L.P., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   5.4
Investment, Identifier [Axis]: ProfitSolv Purchaser, Inc. and PS Co-Invest, L.P., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   6.8
Investment, Identifier [Axis]: ProfitSolv Purchaser, Inc. and PS Co-Invest, L.P., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.7
Investment, Identifier [Axis]: Project Essential Bidco, Inc. and Project Essential Super Parent, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   1.1
Investment, Identifier [Axis]: Project Essential Bidco, Inc. and Project Essential Super Parent, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   37.8
Investment, Identifier [Axis]: Project Potter Buyer, LLC and Project Potter Parent, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 19.1 5.5
Investment, Identifier [Axis]: Project Potter Buyer, LLC and Project Potter Parent, L.P., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 42.5 [4],[5] 42.8 [1],[2]
Investment, Identifier [Axis]: Project Potter Buyer, LLC and Project Potter Parent, L.P., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: Project Potter Buyer, LLC and Project Potter Parent, L.P., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 11.7 [4],[5] 11.7 [1],[2]
Investment, Identifier [Axis]: Project Potter Buyer, LLC and Project Potter Parent, L.P., First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal 25.7 [4],[5] 17.9 [1],[2]
Investment, Identifier [Axis]: Project Potter Buyer, LLC and Project Potter Parent, L.P., First lien senior secured loan 5    
Schedule of Investments [Line Items]    
Principal [4],[5] 17.8  
Investment, Identifier [Axis]: Proofpoint, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.1 3.1
Investment, Identifier [Axis]: Proofpoint, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 1.0 [4],[5],[10] 1.0 [1],[2],[9]
Investment, Identifier [Axis]: PumpTech, LLC and Impel CV-B, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 10.6  
Investment, Identifier [Axis]: PumpTech, LLC and Impel CV-B, LP 1    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.3  
Investment, Identifier [Axis]: PumpTech, LLC and Impel CV-B, LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 11.8  
Investment, Identifier [Axis]: PumpTech, LLC and Impel CV-B, LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.4  
Investment, Identifier [Axis]: Pyramid-BMC IntermediateCo I, LLC and Pyramid Investors, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.6 1.6
Investment, Identifier [Axis]: Pyramid-BMC IntermediateCo I, LLC and Pyramid Investors, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   7.6
Investment, Identifier [Axis]: Pyramid-BMC IntermediateCo I, LLC and Pyramid Investors, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   2.6
Investment, Identifier [Axis]: Pyramid-BMC IntermediateCo I, LLC and Pyramid Investors, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 7.6  
Investment, Identifier [Axis]: Pyramid-BMC IntermediateCo I, LLC and Pyramid Investors, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5] 2.6  
Investment, Identifier [Axis]: QBS Parent, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.6 1.6
Investment, Identifier [Axis]: QBS Parent, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   14.1
Investment, Identifier [Axis]: QBS Parent, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 15.4  
Investment, Identifier [Axis]: QF Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.0 0.6
Investment, Identifier [Axis]: QF Holdings, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 6.7 [4],[5] 4.9 [1],[2]
Investment, Identifier [Axis]: QF Holdings, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 4.9 [4],[5] 1.9 [1],[2]
Investment, Identifier [Axis]: QF Holdings, Inc., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 8.1 [4],[5] 4.9 [1],[2]
Investment, Identifier [Axis]: QF Holdings, Inc., First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal 5.0 [4],[5] 8.1 [1],[2]
Investment, Identifier [Axis]: QF Holdings, Inc., First lien senior secured loan 5    
Schedule of Investments [Line Items]    
Principal [1],[2]   5.1
Investment, Identifier [Axis]: QF Holdings, Inc., First lien senior secured loan 6    
Schedule of Investments [Line Items]    
Principal [4],[5] 5.5  
Investment, Identifier [Axis]: QF Holdings, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.5 [1],[2]
Investment, Identifier [Axis]: Qnnect, LLC and Connector TopCo, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   0.8
Investment, Identifier [Axis]: Qnnect, LLC and Connector TopCo, LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   10.5
Investment, Identifier [Axis]: Qnnect, LLC and Connector TopCo, LP, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   31.4
Investment, Identifier [Axis]: Quick Quack Car Wash Holdings, LLC and KKR Game Changer Co-Invest Feeder II L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 16.7 12.4
Investment, Identifier [Axis]: Quick Quack Car Wash Holdings, LLC and KKR Game Changer Co-Invest Feeder II L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 4.7 [4],[5] 52.9 [1],[2]
Investment, Identifier [Axis]: RB Holdings InterCo, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.5 0.6
Investment, Identifier [Axis]: RB Holdings InterCo, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 11.2 [4],[5] 11.3 [1],[2]
Investment, Identifier [Axis]: RB Holdings InterCo, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.6 [4],[5] 1.5 [1],[2]
Investment, Identifier [Axis]: RD Holdco Inc., Senior subordinated loan 1    
Schedule of Investments [Line Items]    
Principal 31.4 [5],[12] 32.6 [1],[8]
Investment, Identifier [Axis]: RD Holdco Inc., Senior subordinated loan 2    
Schedule of Investments [Line Items]    
Principal 1.2 [5],[12] 1.2 [1],[8]
Investment, Identifier [Axis]: RFS Opco LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 8.4 7.0
Investment, Identifier [Axis]: RFS Opco LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   29.5
Investment, Identifier [Axis]: RFS Opco LLC, First lien senior secured loan1    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 29.4  
Investment, Identifier [Axis]: RFS Opco LLC, First lien senior secured loan2    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 6.9  
Investment, Identifier [Axis]: RMS HoldCo II, LLC & RMS Group Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.9 2.9
Investment, Identifier [Axis]: RMS HoldCo II, LLC & RMS Group Holdings, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: RMS HoldCo II, LLC & RMS Group Holdings, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.2 [4],[5] 0.2 [1],[2]
Investment, Identifier [Axis]: RTI Surgical, Inc. and Pioneer Surgical Technology, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 10.8 9.5
Investment, Identifier [Axis]: RTI Surgical, Inc. and Pioneer Surgical Technology, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   22.0
Investment, Identifier [Axis]: RTI Surgical, Inc. and Pioneer Surgical Technology, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 19.2  
Investment, Identifier [Axis]: RTI Surgical, Inc. and Pioneer Surgical Technology, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5] 3.1  
Investment, Identifier [Axis]: RTI Surgical, Inc. and Pioneer Surgical Technology, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   11.6
Investment, Identifier [Axis]: RWA Wealth Partners, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 7.3 7.6
Investment, Identifier [Axis]: RWA Wealth Partners, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 8.1 [4],[5],[6] 8.1 [1],[2],[3]
Investment, Identifier [Axis]: RWA Wealth Partners, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 0.3  
Investment, Identifier [Axis]: Radiant Intermediate Holding, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 2.1 [4],[5] 2.1 [1],[2]
Investment, Identifier [Axis]: Radius Aerospace, Inc. and Radius Aerospace Europe Limited    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.0 1.6
Investment, Identifier [Axis]: Radius Aerospace, Inc. and Radius Aerospace Europe Limited, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 10.0 [4],[5],[6] 10.6 [1],[2],[3]
Investment, Identifier [Axis]: Radius Aerospace, Inc. and Radius Aerospace Europe Limited, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   2.1
Investment, Identifier [Axis]: Radius Aerospace, Inc. and Radius Aerospace Europe Limited, First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal 0.7 [4],[5],[6] 2.0 [1],[2],[3]
Investment, Identifier [Axis]: Radius Aerospace, Inc. and Radius Aerospace Europe Limited, First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 2.2  
Investment, Identifier [Axis]: Radwell Parent, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.7 5.1
Investment, Identifier [Axis]: Radwell Parent, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.1
Investment, Identifier [Axis]: Radwell Parent, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.1  
Investment, Identifier [Axis]: Radwell Parent, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 1.3 [4],[5] 0.9 [1],[2]
Investment, Identifier [Axis]: RailPros Parent, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.3  
Investment, Identifier [Axis]: Raptor Technologies, LLC, Sycamore Bidco LTD and Rocket Parent, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.1 8.9
Investment, Identifier [Axis]: Raptor Technologies, LLC, Sycamore Bidco LTD and Rocket Parent, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 8.3 [4],[5] 8.4 [1],[2]
Investment, Identifier [Axis]: Raptor Technologies, LLC, Sycamore Bidco LTD and Rocket Parent, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: Raptor Technologies, LLC, Sycamore Bidco LTD and Rocket Parent, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 8.0 [4],[5] 8.1 [1],[2]
Investment, Identifier [Axis]: Raptor Technologies, LLC, Sycamore Bidco LTD and Rocket Parent, LLC, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal 24.9 [4],[5] 25.0 [1],[2]
Investment, Identifier [Axis]: Raptor Technologies, LLC, Sycamore Bidco LTD and Rocket Parent, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 3.8  
Investment, Identifier [Axis]: Raven Acquisition Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.3 5.3
Investment, Identifier [Axis]: Rawlings Sporting Goods Company, Inc. and Easton Diamond Sports, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   3.9
Investment, Identifier [Axis]: Rawlings Sporting Goods Company, Inc. and Easton Diamond Sports, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5] 3.3  
Investment, Identifier [Axis]: Rawlings Sporting Goods Company, Inc. and SEP Diamond Fund, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 10.1 1.3
Investment, Identifier [Axis]: Rawlings Sporting Goods Company, Inc. and SEP Diamond Fund, L.P. 1    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.2  
Investment, Identifier [Axis]: Rawlings Sporting Goods Company, Inc. and SEP Diamond Fund, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   43.8
Investment, Identifier [Axis]: Rawlings Sporting Goods Company, Inc. and SEP Diamond Fund, L.P., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 43.6 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: Rawlings Sporting Goods Company, Inc. and SEP Diamond Fund, L.P., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 5.6 [1],[2]
Investment, Identifier [Axis]: Rawlings Sporting Goods Company, Inc. and SEP Diamond Fund, L.P., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 5.6 [4],[5] 3.4 [1],[2]
Investment, Identifier [Axis]: Rawlings Sporting Goods Company, Inc. and SEP Diamond Fund, L.P., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 1.7 [4],[5] 7.9 [1],[2]
Investment, Identifier [Axis]: Reagent Chemical & Research, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.6 2.6
Investment, Identifier [Axis]: Reagent Chemical & Research, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 12.1 [4],[5] 47.6 [1],[2]
Investment, Identifier [Axis]: Reagent Chemical & Research, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.0 [4],[5],[13] 0.0 [1],[2],[14]
Investment, Identifier [Axis]: Reddy Ice LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 18.4 33.9
Investment, Identifier [Axis]: Reddy Ice LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 125.6 [4],[5] 273.5 [1],[2]
Investment, Identifier [Axis]: Reddy Ice LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[14]   0.0
Investment, Identifier [Axis]: Reddy Ice LLC, First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5],[7] 3.9  
Investment, Identifier [Axis]: Reddy Ice LLC, First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5],[7] 11.4  
Investment, Identifier [Axis]: Reddy Ice LLC, First lien senior secured revolving loan 3    
Schedule of Investments [Line Items]    
Principal [4] 2.6  
Investment, Identifier [Axis]: Redwood Services LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 12.0  
Investment, Identifier [Axis]: Redwood Services LP, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 26.6  
Investment, Identifier [Axis]: Redwood Services, LLC and Redwood Services Holdco, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   14.1
Investment, Identifier [Axis]: Redwood Services, LLC and Redwood Services Holdco, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.2
Investment, Identifier [Axis]: Redwood Services, LLC and Redwood Services Holdco, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.1
Investment, Identifier [Axis]: Redwood Services, LLC and Redwood Services Holdco, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [1],[2]   5.0
Investment, Identifier [Axis]: Redwood Services, LLC and Redwood Services Holdco, LLC, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal [1],[2]   8.6
Investment, Identifier [Axis]: Redwood Services, LLC and Redwood Services Holdco, LLC, First lien senior secured loan 5    
Schedule of Investments [Line Items]    
Principal [1],[2]   12.4
Investment, Identifier [Axis]: Redwood Services, LLC and Redwood Services Holdco, LLC, First lien senior secured loan 6    
Schedule of Investments [Line Items]    
Principal [1],[2]   2.4
Investment, Identifier [Axis]: Redwood Services, LLC and Redwood Services Holdco, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.2
Investment, Identifier [Axis]: Reef Lifestyle, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 8.7 0.4
Investment, Identifier [Axis]: Reef Lifestyle, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 20.4 [4],[5] 21.1 [1],[2]
Investment, Identifier [Axis]: Reef Lifestyle, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 3.7 [4],[5] 3.4 [1],[2]
Investment, Identifier [Axis]: Reef Lifestyle, LLC, First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal 33.2 [4],[5],[7] 27.3 [1],[2],[11]
Investment, Identifier [Axis]: Reef Lifestyle, LLC, First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal 4.3 [4],[5],[7] 3.9 [1],[2],[11]
Investment, Identifier [Axis]: Registrar Intermediate, LLC and PSP Registrar Co-Investment Fund, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 8.1 1.5
Investment, Identifier [Axis]: Registrar Intermediate, LLC and PSP Registrar Co-Investment Fund, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   2.7
Investment, Identifier [Axis]: Registrar Intermediate, LLC and PSP Registrar Co-Investment Fund, L.P., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 3.6  
Investment, Identifier [Axis]: Registrar Intermediate, LLC and PSP Registrar Co-Investment Fund, L.P., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5] 3.0  
Investment, Identifier [Axis]: Registrar Intermediate, LLC and PSP Registrar Co-Investment Fund, L.P., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 3.9 [4],[5] 5.4 [1],[2]
Investment, Identifier [Axis]: Relativity ODA LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 8.8 8.8
Investment, Identifier [Axis]: Relativity ODA LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 6.6 [4],[5] 6.6 [1],[2]
Investment, Identifier [Axis]: Repairify, Inc. and Repairify Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.2 0.0
Investment, Identifier [Axis]: Repairify, Inc. and Repairify Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 5.0  
Investment, Identifier [Axis]: Repairify, Inc. and Repairify Holdings, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 5.1 [4],[5] 7.3 [1],[2]
Investment, Identifier [Axis]: Revalize, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.2 0.2
Investment, Identifier [Axis]: Revalize, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 0.7 [4],[5] 0.7 [1],[2]
Investment, Identifier [Axis]: Revalize, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.7 [4],[5] 0.7 [1],[2]
Investment, Identifier [Axis]: Revival Animal Health, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.9  
Investment, Identifier [Axis]: Revival Animal Health, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 26.9  
Investment, Identifier [Axis]: Revival Animal Health, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 2.0  
Investment, Identifier [Axis]: Revival Animal Health, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.4  
Investment, Identifier [Axis]: Rialto Management Group, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.8 1.9
Investment, Identifier [Axis]: Rialto Management Group, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 23.7  
Investment, Identifier [Axis]: Rialto Management Group, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   24.8
Investment, Identifier [Axis]: Rialto Management Group, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[3],[14]   0.0
Investment, Identifier [Axis]: Rialto Management Group, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6],[13] 0.0  
Investment, Identifier [Axis]: Riser Topco II, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   3.7
Investment, Identifier [Axis]: Riser Topco II, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   1.1
Investment, Identifier [Axis]: Riser Topco II, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   7.5
Investment, Identifier [Axis]: Riser Topco II, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [1],[2]   9.0
Investment, Identifier [Axis]: Riser Topco II, LLC, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal [1],[2]   3.0
Investment, Identifier [Axis]: Rodeo AcquisitionCo LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.0 1.5
Investment, Identifier [Axis]: Rodeo AcquisitionCo LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 16.5 [4],[5] 16.6 [1],[2]
Investment, Identifier [Axis]: Rodeo AcquisitionCo LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 1.5 [4],[5] 1.0 [1],[2]
Investment, Identifier [Axis]: Royal Borrower, LLC and Royal Parent, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 14.1 14.1
Investment, Identifier [Axis]: Royal Borrower, LLC and Royal Parent, LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 20.8 [4],[5] 20.9 [1],[2]
Investment, Identifier [Axis]: Royal Borrower, LLC and Royal Parent, LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.0 [4],[5],[13] 0.0 [1],[2],[14]
Investment, Identifier [Axis]: Runway Bidco, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 15.6 15.6
Investment, Identifier [Axis]: Runway Bidco, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 42.7 [4],[5] 42.8 [1],[2]
Investment, Identifier [Axis]: SAPPHIRE SOFTWARE BUYER, INC.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   5.9
Investment, Identifier [Axis]: SCIH Salt Holdings Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 22.5 16.3
Investment, Identifier [Axis]: SCIH Salt Holdings Inc., First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   4.1
Investment, Identifier [Axis]: SCIH Salt Holdings Inc., First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   2.1
Investment, Identifier [Axis]: SCM Insurance Services Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.0 3.7
Investment, Identifier [Axis]: SCM Insurance Services Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 20.2 [4],[5],[6] 19.2 [1],[2],[3]
Investment, Identifier [Axis]: SFE Intermediate Holdco LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 6.1 [4],[5] 6.1 [1],[2]
Investment, Identifier [Axis]: SFE Intermediate Holdco LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 9.8 [4],[5] 9.8 [1],[2]
Investment, Identifier [Axis]: SFE Intermediate Holdco LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 0.4 [4],[5] 0.4 [1],[2]
Investment, Identifier [Axis]: SG Acquisition, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.0 2.0
Investment, Identifier [Axis]: SG Acquisition, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 46.4 [4],[5] 47.0 [1],[2]
Investment, Identifier [Axis]: SIG Parent Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 32.8 33.8
Investment, Identifier [Axis]: SIG Parent Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 57.1 [4],[5] 56.4 [1],[2]
Investment, Identifier [Axis]: SM Wellness Holdings, Inc. and SM Holdco, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   3.8
Investment, Identifier [Axis]: SOC Telemed, Inc. and PSC Spark Holdings, LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 108.4 [4],[5] 107.3 [1],[2]
Investment, Identifier [Axis]: SV Newco 2, Inc. and Site 2020 Incorporated    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 12.0 17.5
Investment, Identifier [Axis]: SV Newco 2, Inc. and Site 2020 Incorporated, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   22.5
Investment, Identifier [Axis]: SV Newco 2, Inc. and Site 2020 Incorporated, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 2.7  
Investment, Identifier [Axis]: SV Newco 2, Inc. and Site 2020 Incorporated, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 25.3  
Investment, Identifier [Axis]: Safe Home Security, Inc., Security Systems Inc., Safe Home Monitoring, Inc., National Protective Services, Inc., Bright Integrations LLC and Medguard Alert, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 24.0 [4],[5] 46.9 [1],[2]
Investment, Identifier [Axis]: SageSure Holdings, LLC and SageSure LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 57.7 26.2
Investment, Identifier [Axis]: SageSure Holdings, LLC and SageSure LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   26.0
Investment, Identifier [Axis]: SageSure Holdings, LLC and SageSure LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 52.0  
Investment, Identifier [Axis]: SageSure Holdings, LLC and SageSure LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5] 59.5  
Investment, Identifier [Axis]: Sapphire Software Buyer, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.9  
Investment, Identifier [Axis]: Sapphire Software Buyer, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 31.6 [4],[5] 71.6 [1],[2]
Investment, Identifier [Axis]: Saturn Purchaser Corp.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.5  
Investment, Identifier [Axis]: Saturn Purchaser Corp., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   1.7
Investment, Identifier [Axis]: Saturn Purchaser Corp., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 1.7  
Investment, Identifier [Axis]: Schill Landscaping and Lawn Care Services LLC, Tender Lawn Care ULC and Landscape Parallel Partners, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 13.3 2.5
Investment, Identifier [Axis]: Schill Landscaping and Lawn Care Services LLC, Tender Lawn Care ULC and Landscape Parallel Partners, L.P. (1)    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   14.6
Investment, Identifier [Axis]: Schill Landscaping and Lawn Care Services LLC, Tender Lawn Care ULC and Landscape Parallel Partners, L.P. 1    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.5  
Investment, Identifier [Axis]: Schill Landscaping and Lawn Care Services LLC, Tender Lawn Care ULC and Landscape Parallel Partners, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   3.4
Investment, Identifier [Axis]: Schill Landscaping and Lawn Care Services LLC, Tender Lawn Care ULC and Landscape Parallel Partners, L.P., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 3.4  
Investment, Identifier [Axis]: Schill Landscaping and Lawn Care Services LLC, Tender Lawn Care ULC and Landscape Parallel Partners, L.P., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5] 1.5  
Investment, Identifier [Axis]: Schill Landscaping and Lawn Care Services LLC, Tender Lawn Care ULC and Landscape Parallel Partners, L.P., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.4 [4],[5] 0.6 [1],[2]
Investment, Identifier [Axis]: SePro Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   8.5
Investment, Identifier [Axis]: SelectQuote, Inc. and SQ ABS Issuer, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 9.2  
Investment, Identifier [Axis]: SelectQuote, Inc. and SQ ABS Issuer, LLC, First lien senior secured notes 1    
Schedule of Investments [Line Items]    
Principal [5] 1.6  
Investment, Identifier [Axis]: SelectQuote, Inc. and SQ ABS Issuer, LLC, First lien senior secured notes 2    
Schedule of Investments [Line Items]    
Principal [5] 2.4  
Investment, Identifier [Axis]: SelectQuote, Inc. and SQ ABS Issuer, LLC,First lien senior secured notes 1    
Schedule of Investments [Line Items]    
Principal [1]   1.8
Investment, Identifier [Axis]: SelectQuote, Inc. and SQ ABS Issuer, LLC,First lien senior secured notes 2    
Schedule of Investments [Line Items]    
Principal [1]   2.7
Investment, Identifier [Axis]: SelectQuote, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   16.9
Investment, Identifier [Axis]: Senior Direct Lending Program, LLC, Subordinated certificates    
Schedule of Investments [Line Items]    
Principal 1,062.9 [6],[18] 1,309.9 [3],[19]
Investment, Identifier [Axis]: Severin Acquisition, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 55.7 73.6
Investment, Identifier [Axis]: Severin Acquisition, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 138.3 [4],[5] 221.2 [1],[2]
Investment, Identifier [Axis]: Severin Acquisition, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 11.8  
Investment, Identifier [Axis]: Shermco Intermediate Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.7 6.0
Investment, Identifier [Axis]: Shermco Intermediate Holdings, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 1.1 [4],[5] 5.1 [1],[2]
Investment, Identifier [Axis]: Shermco Intermediate Holdings, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 2.5 [4],[5] 1.3 [1],[2]
Investment, Identifier [Axis]: Shermco Intermediate Holdings, Inc., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [4],[5] 5.1  
Investment, Identifier [Axis]: Shermco Intermediate Holdings, Inc., First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal [4],[5] 1.9  
Investment, Identifier [Axis]: Shermco Intermediate Holdings, Inc., First lien senior secured loan 5    
Schedule of Investments [Line Items]    
Principal [4],[5] 2.2  
Investment, Identifier [Axis]: Shermco Intermediate Holdings, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [5] 2.9  
Investment, Identifier [Axis]: Shermco Intermediate Holdings, Inc., First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [1]   2.3
Investment, Identifier [Axis]: Shoes For Crews Global, LLC and Shoes For Crews Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.6 0.7
Investment, Identifier [Axis]: Shoes For Crews Global, LLC and Shoes For Crews Holdings, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 1.2 [4],[5] 1.2 [1],[2]
Investment, Identifier [Axis]: Shoes For Crews Global, LLC and Shoes For Crews Holdings, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 6.5 [4],[5] 6.5 [1],[2]
Investment, Identifier [Axis]: Shoes For Crews Global, LLC and Shoes For Crews Holdings, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 3.8 [4],[5] 3.7 [1],[2]
Investment, Identifier [Axis]: Shur-Co Acquisition, Inc. and Shur-Co Holdco, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 31.2 [4],[5] 31.4 [1],[2]
Investment, Identifier [Axis]: Shur-Co Acquisition, Inc. and Shur-Co Holdco, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.5 [4],[5] 0.5 [1],[2]
Investment, Identifier [Axis]: Shur-Co Acquisition, Inc. and Shur-Co Holdco, Inc., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 6.1 [4],[5] 6.1 [1],[2]
Investment, Identifier [Axis]: Shur-Co Acquisition, Inc. and Shur-Co Holdco, Inc., First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal 12.7 [4],[5] 12.7 [1],[2]
Investment, Identifier [Axis]: Shur-Co Acquisition, Inc. and Shur-Co Holdco, Inc., First lien senior secured loan 5    
Schedule of Investments [Line Items]    
Principal 5.4 [4],[5] 5.4 [1],[2]
Investment, Identifier [Axis]: Silk Holdings III Corp. and Silk Holdings I Corp.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.0 0.0
Investment, Identifier [Axis]: Silk Holdings III Corp. and Silk Holdings I Corp., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 5.3 [4],[5] 5.4 [1],[2]
Investment, Identifier [Axis]: Silk Holdings III Corp. and Silk Holdings I Corp., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 47.7 [4],[5] 55.9 [1],[2]
Investment, Identifier [Axis]: Silk Holdings III Corp. and Silk Holdings I Corp., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: Slaine Holdings LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 23.2  
Investment, Identifier [Axis]: Slaine Holdings LLC, Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 49.2  
Investment, Identifier [Axis]: Smarsh Inc. and Skywalker TopCo, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.8 1.7
Investment, Identifier [Axis]: Smarsh Inc. and Skywalker TopCo, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 3.4 [4],[5] 1.4 [1],[2]
Investment, Identifier [Axis]: Smarsh Inc. and Skywalker TopCo, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.9 [4],[5] 0.3 [1],[2]
Investment, Identifier [Axis]: Spaceship Purchaser, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 26.8 26.9
Investment, Identifier [Axis]: Spaceship Purchaser, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 100.4 [4],[5] 100.7 [1],[2]
Investment, Identifier [Axis]: Spaceship Purchaser, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[13] 0.0  
Investment, Identifier [Axis]: Spark Purchaser, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.3 2.3
Investment, Identifier [Axis]: Spark Purchaser, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 30.6 [4],[5] 30.8 [1],[2]
Investment, Identifier [Axis]: Spindrift Beverage Co., Inc. and SBC Aggregator LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.6  
Investment, Identifier [Axis]: Spindrift Beverage Co., Inc. and SBC Aggregator LP 1    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.2  
Investment, Identifier [Axis]: Spindrift Beverage Co., Inc. and SBC Aggregator LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 12.2  
Investment, Identifier [Axis]: Spindrift Beverage Co., Inc. and SBC Aggregator LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.2  
Investment, Identifier [Axis]: Spirit RR Holdings, Inc. and Winterfell Co-Invest SCSp    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.6 2.5
Investment, Identifier [Axis]: Spirit RR Holdings, Inc. and Winterfell Co-Invest SCSp, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 1.6 [4],[5] 2.5 [1],[2]
Investment, Identifier [Axis]: Spirit RR Holdings, Inc. and Winterfell Co-Invest SCSp, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.8 [4],[5] 0.8 [1],[2]
Investment, Identifier [Axis]: Spirit RR Holdings, Inc. and Winterfell Co-Invest SCSp, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [4],[5] 2.5  
Investment, Identifier [Axis]: Spirit RR Holdings, Inc. and Winterfell Co-Invest SCSp, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.0  
Investment, Identifier [Axis]: Spring Insurance Solutions, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   21.8
Investment, Identifier [Axis]: Spruce Bidco II Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 50.7  
Investment, Identifier [Axis]: Spruce Bidco II Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 27.9  
Investment, Identifier [Axis]: Spruce Bidco II Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5] 28.2  
Investment, Identifier [Axis]: Spruce Bidco II Inc., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [4],[5] 195.8  
Investment, Identifier [Axis]: St Athena Global LLC and St Athena Global Holdings Limited    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.1 3.3
Investment, Identifier [Axis]: St Athena Global LLC and St Athena Global Holdings Limited, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   30.0
Investment, Identifier [Axis]: St Athena Global LLC and St Athena Global Holdings Limited, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 29.9 [4],[5],[6] 17.0 [1],[2],[3]
Investment, Identifier [Axis]: St Athena Global LLC and St Athena Global Holdings Limited, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 18.6  
Investment, Identifier [Axis]: St Athena Global LLC and St Athena Global Holdings Limited, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.9 [4],[5],[6] 0.7 [1],[2],[3]
Investment, Identifier [Axis]: Star US Bidco LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   15.5
Investment, Identifier [Axis]: Steward Partners Global Advisory, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 11.1  
Investment, Identifier [Axis]: Steward Partners Global Advisory, LLC and Steward Partners Investment Advisory, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   2.0
Investment, Identifier [Axis]: Steward Partners Global Advisory, LLC and Steward Partners Investment Advisory, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 4.9  
Investment, Identifier [Axis]: Steward Partners Global Advisory, LLC and Steward Partners Investment Advisory, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   0.2
Investment, Identifier [Axis]: Storable, Inc. and EQT IX Co-Investment (E) SCSP, Second lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   42.8
Investment, Identifier [Axis]: Storable, Inc. and EQT IX Co-Investment (E) SCSP, Second lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   10.3
Investment, Identifier [Axis]: Storm Investment S.a.r.l. and Atletico Holdco, S.L., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[3]   63.9
Investment, Identifier [Axis]: Storm Investment S.a.r.l. and Atletico Holdco, S.L., Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal [1],[3]   29.1
Investment, Identifier [Axis]: Storm Investment S.a.r.l., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [5],[6] 72.6  
Investment, Identifier [Axis]: Sugar PPC Buyer LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.7 3.9
Investment, Identifier [Axis]: Sugar PPC Buyer LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 15.7 [4],[5] 15.7 [1],[2]
Investment, Identifier [Axis]: Sugar PPC Buyer LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 1.2  
Investment, Identifier [Axis]: Sun Acquirer Corp. and Sun TopCo, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 67.5 72.7
Investment, Identifier [Axis]: Sun Acquirer Corp. and Sun TopCo, LP, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 52.5 [4],[5] 52.8 [1],[2]
Investment, Identifier [Axis]: Sun Acquirer Corp. and Sun TopCo, LP, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 9.2 [4],[5] 16.6 [1],[2]
Investment, Identifier [Axis]: Sun Acquirer Corp. and Sun TopCo, LP, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 12.3 [4],[5] 9.5 [1],[2]
Investment, Identifier [Axis]: Sun Acquirer Corp. and Sun TopCo, LP, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal 2.8 [4],[5] 0.9 [1],[2]
Investment, Identifier [Axis]: Sun Acquirer Corp. and Sun TopCo, LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.0 [5],[13] 0.0 [1],[14]
Investment, Identifier [Axis]: Sundance Group Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.2 2.6
Investment, Identifier [Axis]: Sundance Group Holdings, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 4.0  
Investment, Identifier [Axis]: Sundance Group Holdings, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   26.4
Investment, Identifier [Axis]: Sundance Group Holdings, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 1.2 [4],[5] 1.8 [1],[2]
Investment, Identifier [Axis]: Sunk Rock Foundry Partners LP, Hatteras Electrical Manufacturing Holding Company and Sigma Electric Manufacturing Corporation    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   4.9
Investment, Identifier [Axis]: Sunk Rock Foundry Partners LP, Hatteras Electrical Manufacturing Holding Company and Sigma Electric Manufacturing Corporation, Diecast Beacon    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.1  
Investment, Identifier [Axis]: Sunk Rock Foundry Partners LP, Hatteras Electrical Manufacturing Holding Company and Sigma Electric Manufacturing Corporation, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   3.8
Investment, Identifier [Axis]: Sunk Rock Foundry Partners LP, Hatteras Electrical Manufacturing Holding Company and Sigma Electric Manufacturing Corporation, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 3.7  
Investment, Identifier [Axis]: Sunk Rock Foundry Partners LP, Hatteras Electrical Manufacturing Holding Company and Sigma Electric Manufacturing Corporation, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 2.8 [4],[5],[7] 2.1 [1],[2],[11]
Investment, Identifier [Axis]: Sunk Rock Foundry Partners LP, Hatteras Electrical Manufacturing Holding Company and Sigma Electric Manufacturing Corporation, First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5] 15.0  
Investment, Identifier [Axis]: Sunrun Atlas Depositor 2019-2, LLC and Sunrun Atlas Holdings 2019-2, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 0.1 [5] 0.1 [1]
Investment, Identifier [Axis]: Sunrun Atlas Depositor 2019-2, LLC and Sunrun Atlas Holdings 2019-2, LLC, Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal 179.6 [4],[5] 173.2 [1],[2]
Investment, Identifier [Axis]: Sunrun Luna Holdco 2021, LLC, Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[3]   150.0
Investment, Identifier [Axis]: Sunrun Luna Holdco 2021, LLC, Senior subordinated revolving loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 150.0  
Investment, Identifier [Axis]: Sunrun Xanadu Issuer 2019-1, LLC and Sunrun Xanadu Holdings 2019-1, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 0.3 [5] 0.3 [1]
Investment, Identifier [Axis]: Sunrun Xanadu Issuer 2019-1, LLC and Sunrun Xanadu Holdings 2019-1, LLC, Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal 83.7 [4],[5] 81.2 [1],[2]
Investment, Identifier [Axis]: Sunvair Aerospace Group, Inc. and GB Helios Holdings, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 34.8 37.9
Investment, Identifier [Axis]: Sunvair Aerospace Group, Inc. and GB Helios Holdings, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 38.8 [4],[5] 35.9 [1],[2]
Investment, Identifier [Axis]: Superman Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 9.3 16.7
Investment, Identifier [Axis]: Superman Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 42.7  
Investment, Identifier [Axis]: Superman Holdings, LLC., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   35.5
Investment, Identifier [Axis]: Supplying Demand, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.1 0.1
Investment, Identifier [Axis]: Surescripts, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 22.9 22.9
Investment, Identifier [Axis]: Surescripts, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 57.9 [4],[5] 58.0 [1],[2]
Investment, Identifier [Axis]: Symplr Software Inc. and Symplr Software Intermediate Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 7.4 6.3
Investment, Identifier [Axis]: Symplr Software Inc. and Symplr Software Intermediate Holdings, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 28.6 [4],[5],[10] 28.8 [1],[2],[9]
Investment, Identifier [Axis]: Symplr Software Inc. and Symplr Software Intermediate Holdings, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 17.2 [4],[5] 17.3 [1],[2]
Investment, Identifier [Axis]: Symplr Software Inc. and Symplr Software Intermediate Holdings, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 1.4 [5] 3.7 [1]
Investment, Identifier [Axis]: Symplr Software Inc. and Symplr Software Intermediate Holdings, Inc., First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [5] 1.3  
Investment, Identifier [Axis]: Symplr Software Inc. and Symplr Software Intermediate Holdings, Inc., Second lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 76.2 [4],[5] 76.2 [1],[2]
Investment, Identifier [Axis]: Symplr Software Inc. and Symplr Software Intermediate Holdings, Inc., Second lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 54.0 [4],[5] 52.9 [1],[2]
Investment, Identifier [Axis]: Synergy HomeCare Franchising, LLC and NP/Synergy Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   4.2
Investment, Identifier [Axis]: Synergy HomeCare Franchising, LLC and NP/Synergy Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   10.9
Investment, Identifier [Axis]: Systems Planning and Analysis, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.5 4.0
Investment, Identifier [Axis]: Systems Planning and Analysis, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 1.0 [4],[5] 1.0 [1],[2]
Investment, Identifier [Axis]: Systems Planning and Analysis, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 1.5  
Investment, Identifier [Axis]: TCI Buyer LLC and TCI Holdings, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 25.8 25.8
Investment, Identifier [Axis]: TCI Buyer LLC and TCI Holdings, LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 32.8 [4],[5] 33.6 [1],[2]
Investment, Identifier [Axis]: TCP Hawker Intermediate LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 13.0 11.5
Investment, Identifier [Axis]: TCP Hawker Intermediate LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 50.5 [4],[5] 3.4 [1],[2]
Investment, Identifier [Axis]: TCP Hawker Intermediate LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 2.0 [4],[5] 50.7 [1],[2]
Investment, Identifier [Axis]: TCP Hawker Intermediate LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [1],[2]   1.8
Investment, Identifier [Axis]: TCP Hawker Intermediate LLC, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal [1],[2]   2.0
Investment, Identifier [Axis]: TCP Hawker Intermediate LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 3.6  
Investment, Identifier [Axis]: THG Acquisition, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 50.7 51.8
Investment, Identifier [Axis]: THG Acquisition, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5],[7] 1.6  
Investment, Identifier [Axis]: THG Acquisition, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 144.0 [4],[5] 143.4 [1],[2]
Investment, Identifier [Axis]: THG Acquisition, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 7.5 [4] 1.6 [1],[2],[11]
Investment, Identifier [Axis]: TPG IX Cardiff Debt HoldCo I, LLC, TPG IX Cardiff Debt Holdco II, LLC, TPG IX Cardiff CI I, L.P., and TPG IX Cardiff CI II, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 11.4  
Investment, Identifier [Axis]: TSS Buyer, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.3 0.5
Investment, Identifier [Axis]: TSS Buyer, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 1.2 [4],[5] 2.1 [1],[2]
Investment, Identifier [Axis]: TSS Buyer, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 1.1  
Investment, Identifier [Axis]: Tamarack Intermediate, L.L.C. and Tamarack Parent, L.L.C.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 6.5 7.5
Investment, Identifier [Axis]: Tamarack Intermediate, L.L.C. and Tamarack Parent, L.L.C., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 34.3 [4],[5] 34.4 [1],[2]
Investment, Identifier [Axis]: Tamarack Intermediate, L.L.C. and Tamarack Parent, L.L.C., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [4],[5] 10.8  
Investment, Identifier [Axis]: Tamarack Intermediate, L.L.C. and Tamarack Parent, L.L.C., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 5.8 [4],[5] 10.8 [1],[2]
Investment, Identifier [Axis]: Tamarack Intermediate, L.L.C. and Tamarack Parent, L.L.C., First lien senior secured loan 5    
Schedule of Investments [Line Items]    
Principal [1],[2]   5.8
Investment, Identifier [Axis]: Tamarack Intermediate, L.L.C. and Tamarack Parent, L.L.C., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 1.0  
Investment, Identifier [Axis]: Taymax Group, L.P., Taymax Group G.P., LLC, PF Salem Canada ULC and TCP Fit Parent, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.8 0.8
Investment, Identifier [Axis]: Taymax Group, L.P., Taymax Group G.P., LLC, PF Salem Canada ULC and TCP Fit Parent, L.P., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 1.3 [4],[5] 1.4 [1],[2]
Investment, Identifier [Axis]: Taymax Group, L.P., Taymax Group G.P., LLC, PF Salem Canada ULC and TCP Fit Parent, L.P., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.4 [4],[5] 0.4 [1],[2]
Investment, Identifier [Axis]: Taymax Group, L.P., Taymax Group G.P., LLC, PF Salem Canada ULC and TCP Fit Parent, L.P., First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal 0.6 [4],[5] 0.6 [1],[2]
Investment, Identifier [Axis]: Taymax Group, L.P., Taymax Group G.P., LLC, PF Salem Canada ULC and TCP Fit Parent, L.P., First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal 0.2 [4],[5] 0.2 [1],[2]
Investment, Identifier [Axis]: Taymax Group, L.P., Taymax Group G.P., LLC, PF Salem Canada ULC and TCP Fit Parent, L.P., First lien senior secured revolving loan 3    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.4
Investment, Identifier [Axis]: Taymax Group, L.P., Taymax Group G.P., LLC, PF Salem Canada ULC and TCP Fit Parent, L.P., First lien senior secured revolving loan 4    
Schedule of Investments [Line Items]    
Principal 0.5 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: Taymax Group, L.P., Taymax Group G.P., LLC, PF Salem Canada ULC and TCP Fit Parent, L.P., First lien senior secured revolving loan 5    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.1  
Investment, Identifier [Axis]: Team Acquisition Corporation    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 6.1 6.1
Investment, Identifier [Axis]: Team Acquisition Corporation, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 34.4 [4],[5] 34.6 [1],[2]
Investment, Identifier [Axis]: Teasdale Foods, Inc. and Familia Group Holdings Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 75.5 [4],[5] 75.9 [1],[2]
Investment, Identifier [Axis]: Teasdale Foods, Inc. and Familia Group Holdings Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.8  
Investment, Identifier [Axis]: Telle Tire & Auto Service, LLC and Next Horizon Capital TireCo SPV, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.3  
Investment, Identifier [Axis]: Telle Tire & Auto Service, LLC and Next Horizon Capital TireCo SPV, LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 2.0  
Investment, Identifier [Axis]: Tempus AI, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 76.3 [4],[5],[6] 75.0 [1],[2],[3]
Investment, Identifier [Axis]: Tempus AI, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 22.2 [4],[5],[6] 21.8 [1],[2],[3]
Investment, Identifier [Axis]: Tempus AI, Inc., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 9.5 [4],[5],[6] 9.3 [1],[2],[3]
Investment, Identifier [Axis]: Tempus AI, Inc., First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 31.3  
Investment, Identifier [Axis]: The Arcticom Group, LLC and AMCP Mechanical Holdings, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.9 15.2
Investment, Identifier [Axis]: The Arcticom Group, LLC and AMCP Mechanical Holdings, LP, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.2
Investment, Identifier [Axis]: The Arcticom Group, LLC and AMCP Mechanical Holdings, LP, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.2  
Investment, Identifier [Axis]: The Arcticom Group, LLC and AMCP Mechanical Holdings, LP, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.2 [4],[5] 0.2 [1],[2]
Investment, Identifier [Axis]: The Arcticom Group, LLC and AMCP Mechanical Holdings, LP, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 1.6 [4],[5] 1.6 [1],[2]
Investment, Identifier [Axis]: The Arcticom Group, LLC and AMCP Mechanical Holdings, LP, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal 5.4 [4],[5] 5.3 [1],[2]
Investment, Identifier [Axis]: The Arcticom Group, LLC and AMCP Mechanical Holdings, LP, First lien senior secured loan 5    
Schedule of Investments [Line Items]    
Principal 10.9 [4],[5] 8.6 [1],[2]
Investment, Identifier [Axis]: The Arcticom Group, LLC and AMCP Mechanical Holdings, LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 8.8  
Investment, Identifier [Axis]: The Arcticom Group, LLC and AMCP Mechanical Holdings, LP, First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.8
Investment, Identifier [Axis]: The Edelman Financial Center, LLC, Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 0.1 [5],[6],[10] 0.1 [1],[3],[9]
Investment, Identifier [Axis]: The Hiller Companies, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.2 11.9
Investment, Identifier [Axis]: The Hiller Companies, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 47.8 [4],[5] 41.5 [1],[2]
Investment, Identifier [Axis]: The Hiller Companies, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [5],[13] 0.0  
Investment, Identifier [Axis]: The Mather Group, LLC, TVG-TMG Topco, Inc., and TVG-TMG Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.6 0.8
Investment, Identifier [Axis]: The Mather Group, LLC, TVG-TMG Topco, Inc., and TVG-TMG Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 3.9 [4],[5],[6] 3.9 [1],[2],[3]
Investment, Identifier [Axis]: The Mather Group, LLC, TVG-TMG Topco, Inc., and TVG-TMG Holdings, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 0.5  
Investment, Identifier [Axis]: The Mather Group, LLC, TVG-TMG Topco, Inc., and TVG-TMG Holdings, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.4 [4],[5],[6] 0.2 [1],[2],[3]
Investment, Identifier [Axis]: The Mather Group, LLC, TVG-TMG Topco, Inc., and TVG-TMG Holdings, LLC, Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal 4.1 [5],[6] 3.8 [1],[3]
Investment, Identifier [Axis]: The Ultimus Group Midco, LLC, The Ultimus Group, LLC, and The Ultimus Group Aggregator, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.6 5.6
Investment, Identifier [Axis]: The Ultimus Group Midco, LLC, The Ultimus Group, LLC, and The Ultimus Group Aggregator, LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 20.6 [4],[5] 20.7 [1],[2]
Investment, Identifier [Axis]: Therapy Brands Holdings LLC, Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 29.1 [4],[5] 29.1 [1],[2]
Investment, Identifier [Axis]: Thermostat Purchaser III, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 6.3 3.7
Investment, Identifier [Axis]: Thermostat Purchaser III, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [5],[7] 0.8  
Investment, Identifier [Axis]: Thermostat Purchaser III, Inc., First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [1],[11]   2.4
Investment, Identifier [Axis]: Thermostat Purchaser III, Inc., First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [1],[11]   1.2
Investment, Identifier [Axis]: Thermostat Purchaser III, Inc., Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 23.0 [4],[5] 23.0 [1],[2]
Investment, Identifier [Axis]: Tiger Holdco LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 10.6  
Investment, Identifier [Axis]: Top Five Largest Portfolio Company Investments | Senior Direct Lending Program    
Schedule of Investments [Line Items]    
Principal 1,711.0 1,692.0
Investment, Identifier [Axis]: Transit Technologies LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.0 6.3
Investment, Identifier [Axis]: Transit Technologies LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 12.0  
Investment, Identifier [Axis]: Transit Technologies LLC., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   10.8
Investment, Identifier [Axis]: Triton Water Holdings, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2],[9]   1.0
Investment, Identifier [Axis]: Triton Water Holdings, Inc., Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal [1],[9]   0.1
Investment, Identifier [Axis]: Triwizard Holdings, Inc. and Triwizard Parent, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 15.0 18.0
Investment, Identifier [Axis]: Triwizard Holdings, Inc. and Triwizard Parent, LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [2]   3.0
Investment, Identifier [Axis]: Triwizard Holdings, Inc. and Triwizard Parent, LP, First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5],[7] 4.6  
Investment, Identifier [Axis]: Truck-Lite Co., LLC, Ecco Holdings Corp. and Clarience Technologies, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 95.3 18.4
Investment, Identifier [Axis]: Truck-Lite Co., LLC, Ecco Holdings Corp. and Clarience Technologies, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 127.2 [4],[5] 80.9 [1],[2]
Investment, Identifier [Axis]: Truck-Lite Co., LLC, Ecco Holdings Corp. and Clarience Technologies, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.0  
Investment, Identifier [Axis]: Truist Insurance Holdings, LLC and McGriff Insurance Services, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.4 5.4
Investment, Identifier [Axis]: Truist Insurance Holdings, LLC and McGriff Insurance Services, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [5],[10] 0.1  
Investment, Identifier [Axis]: Truist Insurance Holdings, LLC and McGriff Insurance Services, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1]   0.1
Investment, Identifier [Axis]: Two Six Labs, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 31.6 36.5
Investment, Identifier [Axis]: Two Six Labs, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 8.5 [4],[5] 8.6 [1],[2]
Investment, Identifier [Axis]: Two Six Labs, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 4.9  
Investment, Identifier [Axis]: U.S. Anesthesia Partners, Inc. & U.S. Anesthesia Partners Holdings, Inc., Second lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 147.8 [4],[5] 147.8 [1],[2]
Investment, Identifier [Axis]: U.S. Urology Partners, LLC and General Atlantic (USU) Blocker Collection Holdco, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.9  
Investment, Identifier [Axis]: U.S. Urology Partners, LLC and General Atlantic (USU) Blocker Collection Holdco, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 10.8  
Investment, Identifier [Axis]: UP Intermediate II LLC and UPBW Blocker LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.5 4.1
Investment, Identifier [Axis]: UP Intermediate II LLC and UPBW Blocker LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 4.8 [4],[5] 4.8 [1],[2]
Investment, Identifier [Axis]: UP Intermediate II LLC and UPBW Blocker LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 1.5 [4],[5],[7] 0.0 [1],[2],[14]
Investment, Identifier [Axis]: US Salt Investors, LLC and Emerald Lake Pearl Acquisition-A, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 9.9 9.9
Investment, Identifier [Axis]: US Salt Investors, LLC and Emerald Lake Pearl Acquisition-A, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 24.8 [4],[5] 25.3 [1],[2]
Investment, Identifier [Axis]: United Digestive MSO Parent, LLC and Koln Co-Invest Unblocked, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 7.5 7.9
Investment, Identifier [Axis]: United Digestive MSO Parent, LLC and Koln Co-Invest Unblocked, LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 10.4 [4],[5] 10.2 [1],[2]
Investment, Identifier [Axis]: United Digestive MSO Parent, LLC and Koln Co-Invest Unblocked, LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.7 [4],[5] 0.5 [1],[2]
Investment, Identifier [Axis]: Unity Purchaser, LLC and Unity Ultimate Holdings, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 10.9  
Investment, Identifier [Axis]: Unity Purchaser, LLC and Unity Ultimate Holdings, LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 10.6  
Investment, Identifier [Axis]: UserZoom Technologies, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 5.8 [4],[5] 5.8 [1],[2]
Investment, Identifier [Axis]: VPP Intermediate Holdings, LLC and VPP Group Holdings, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 14.7 3.2
Investment, Identifier [Axis]: VPP Intermediate Holdings, LLC and VPP Group Holdings, L.P., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 6.1 [4],[5] 6.1 [1],[2]
Investment, Identifier [Axis]: VPP Intermediate Holdings, LLC and VPP Group Holdings, L.P., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 9.0 [4],[5] 9.1 [1],[2]
Investment, Identifier [Axis]: VPP Intermediate Holdings, LLC and VPP Group Holdings, L.P., First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 12.3 [4],[5] 12.4 [1],[2]
Investment, Identifier [Axis]: VPP Intermediate Holdings, LLC and VPP Group Holdings, L.P., First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal 2.7 [4],[5] 2.0 [1],[2]
Investment, Identifier [Axis]: VPP Intermediate Holdings, LLC and VPP Group Holdings, L.P., First lien senior secured loan 5    
Schedule of Investments [Line Items]    
Principal [4],[5] 1.8  
Investment, Identifier [Axis]: VPROP Operating, LLC and V SandCo, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 2.2 2.2
Investment, Identifier [Axis]: VPROP Operating, LLC and V SandCo, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 30.0 [4],[5] 28.0 [1],[2]
Investment, Identifier [Axis]: VPROP Operating, LLC and V SandCo, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 6.6 [4],[5] 6.2 [1],[2]
Investment, Identifier [Axis]: VPROP Operating, LLC and V SandCo, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 5.5 [4],[5] 5.1 [1],[2]
Investment, Identifier [Axis]: VPROP Operating, LLC and V SandCo, LLC, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal 4.7 [4],[5] 4.5 [1],[2]
Investment, Identifier [Axis]: VRC Companies, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.4 5.4
Investment, Identifier [Axis]: VRC Companies, LLC, Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal 5.3 [5] 5.2 [1]
Investment, Identifier [Axis]: Valcourt Holdings II, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.5  
Investment, Identifier [Axis]: Valcourt Holdings II, LLC and Jobs Holdings, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   3.5
Investment, Identifier [Axis]: Valcourt Holdings II, LLC and Jobs Holdings, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 55.6 [4],[5] 55.9 [1],[2]
Investment, Identifier [Axis]: Vamos Bidco, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 9.9  
Investment, Identifier [Axis]: Vamos Bidco, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 18.2  
Investment, Identifier [Axis]: Verista, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 7.3 7.3
Investment, Identifier [Axis]: Verista, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 0.8 [4],[5] 0.8 [1],[2]
Investment, Identifier [Axis]: Verista, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.7 [4],[5] 0.7 [1],[2]
Investment, Identifier [Axis]: Vertex Service Partners, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 12.0  
Investment, Identifier [Axis]: Vertex Service Partners, LLC and Vertex Service Partners Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   14.8
Investment, Identifier [Axis]: Vertex Service Partners, LLC and Vertex Service Partners Holdings, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 15.2 [4],[5] 15.2 [1],[2]
Investment, Identifier [Axis]: Vertex Service Partners, LLC and Vertex Service Partners Holdings, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 2.9 [4],[5] 0.3 [1],[2]
Investment, Identifier [Axis]: Vertex Service Partners, LLC and Vertex Service Partners Holdings, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 1.3 [4],[5],[7] 1.4 [1],[2]
Investment, Identifier [Axis]: Viant Medical Holdings, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 5.0 [5],[10] 27.6 [1],[9]
Investment, Identifier [Axis]: Victors Purchaser, LLC and WP Victors Co-Investment, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 7.4 22.9
Investment, Identifier [Axis]: Victors Purchaser, LLC and WP Victors Co-Investment, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 6.6 [4],[5] 70.1 [1],[2]
Investment, Identifier [Axis]: Victors Purchaser, LLC and WP Victors Co-Investment, L.P., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   1.1
Investment, Identifier [Axis]: Viper Bidco, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.1 5.1
Investment, Identifier [Axis]: Viper Bidco, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 17.7 [4],[5] 17.8 [1],[2]
Investment, Identifier [Axis]: Viper Bidco, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 11.2 [4],[5] 10.3 [1],[2]
Investment, Identifier [Axis]: Visual Edge Technology, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 18.9 18.9
Investment, Identifier [Axis]: Visual Edge Technology, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 33.7 [4],[5] 33.6 [1],[2]
Investment, Identifier [Axis]: Vobev, LLC and Vobev Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   6.6
Investment, Identifier [Axis]: Vobev, LLC and Vobev Holdings, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1]   3.4
Investment, Identifier [Axis]: Vobev, LLC and Vobev Holdings, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1],[8]   63.9
Investment, Identifier [Axis]: Vobev, LLC and Vobev Holdings, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [1],[8]   5.7
Investment, Identifier [Axis]: Vobev, LLC and Vobev Holdings, LLC, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal [1],[8]   8.4
Investment, Identifier [Axis]: Vobev, LLC and Vobev Holdings, LLC, First lien senior secured loan 5    
Schedule of Investments [Line Items]    
Principal [1],[8]   4.2
Investment, Identifier [Axis]: Vobev, LLC and Vobev Holdings, LLC, First lien senior secured loan 6    
Schedule of Investments [Line Items]    
Principal [1],[8]   2.5
Investment, Identifier [Axis]: W.S. Connelly & Co., LLC and WSC Ultimate Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 6.5 6.3
Investment, Identifier [Axis]: W.S. Connelly & Co., LLC and WSC Ultimate Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 23.5 [4],[5] 17.3 [1],[2]
Investment, Identifier [Axis]: W.S. Connelly & Co., LLC and WSC Ultimate Holdings, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [4],[5] 2.0  
Investment, Identifier [Axis]: WCI-BXC Purchaser, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.7  
Investment, Identifier [Axis]: WCI-BXC Purchaser, LLC and WCI-BXC Investment Holdings, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   0.7
Investment, Identifier [Axis]: WCI-BXC Purchaser, LLC and WCI-BXC Investment Holdings, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 5.0 [4],[5] 5.0 [1],[2]
Investment, Identifier [Axis]: WRE Sports Investments LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.8 6.5
Investment, Identifier [Axis]: WRE Sports Investments LLC,First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1]   24.9
Investment, Identifier [Axis]: WRE Sports Investments LLC,First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1]   0.4
Investment, Identifier [Axis]: WRE Sports Investments LLC., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [5] 26.7  
Investment, Identifier [Axis]: WSHP FC Acquisition LLC and WSHP FC Holdings LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.0 5.1
Investment, Identifier [Axis]: WSHP FC Acquisition LLC and WSHP FC Holdings LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 33.8 [4],[5] 33.2 [1],[2]
Investment, Identifier [Axis]: WSHP FC Acquisition LLC and WSHP FC Holdings LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 4.6 [4],[5] 4.5 [1],[2]
Investment, Identifier [Axis]: WSHP FC Acquisition LLC and WSHP FC Holdings LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 5.5 [4],[5] 13.9 [1],[2]
Investment, Identifier [Axis]: WSHP FC Acquisition LLC and WSHP FC Holdings LLC, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal 11.0 [4],[5] 10.8 [1],[2]
Investment, Identifier [Axis]: WSHP FC Acquisition LLC and WSHP FC Holdings LLC, First lien senior secured loan 5    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: WSHP FC Acquisition LLC and WSHP FC Holdings LLC, First lien senior secured loan 6    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: WSHP FC Acquisition LLC and WSHP FC Holdings LLC, First lien senior secured loan 7    
Schedule of Investments [Line Items]    
Principal 31.8 [4],[5] 31.2 [1],[2]
Investment, Identifier [Axis]: WSHP FC Acquisition LLC and WSHP FC Holdings LLC, First lien senior secured loan 8    
Schedule of Investments [Line Items]    
Principal [4],[5] 8.6  
Investment, Identifier [Axis]: WSHP FC Acquisition LLC and WSHP FC Holdings LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 15.3 [4],[5],[7] 10.2 [1],[2],[11]
Investment, Identifier [Axis]: WU Holdco, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 8.7  
Investment, Identifier [Axis]: WU Holdco, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 10.6  
Investment, Identifier [Axis]: Walnut Parent, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 14.3 [4],[5] 14.3 [1],[2]
Investment, Identifier [Axis]: Walnut Parent, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: Wash Encore Holdings, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 96.0 [4],[5] 96.5 [1],[2]
Investment, Identifier [Axis]: Wash Encore Holdings, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 16.6 [4],[5] 16.6 [1],[2]
Investment, Identifier [Axis]: Watermill Express, LLC and Watermill Express Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.6 3.6
Investment, Identifier [Axis]: Watermill Express, LLC and Watermill Express Holdings, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 20.6 [4],[5] 5.6 [1],[2]
Investment, Identifier [Axis]: Watermill Express, LLC and Watermill Express Holdings, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 5.6 [4],[5] 0.9 [1],[2]
Investment, Identifier [Axis]: Watermill Express, LLC and Watermill Express Holdings, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [4],[5] 3.9  
Investment, Identifier [Axis]: Watermill Express, LLC and Watermill Express Holdings, LLC, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal [4],[5] 3.7  
Investment, Identifier [Axis]: Watermill Express, LLC and Watermill Express Holdings, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[7] 0.1  
Investment, Identifier [Axis]: Watermill Express, LLC and Watermill Express Holdings, LLC, First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2],[11]   0.4
Investment, Identifier [Axis]: Watermill Express, LLC and Watermill Express Holdings, LLC, First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   20.7
Investment, Identifier [Axis]: Waverly Advisors, LLC and WAAM Topco, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 35.7 0.8
Investment, Identifier [Axis]: Waverly Advisors, LLC and WAAM Topco, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 0.7 [4],[5],[6] 0.7 [1],[2],[3]
Investment, Identifier [Axis]: Waverly Advisors, LLC and WAAM Topco, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 5.0 [4],[5],[6] 4.3 [1],[2],[3]
Investment, Identifier [Axis]: Waverly Advisors, LLC and WAAM Topco, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 6.0  
Investment, Identifier [Axis]: Waverly Advisors, LLC and WAAM Topco, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6] 0.8  
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 34.8 43.2
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.5  
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 1.9 [4],[5] 0.5 [1],[2]
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 1.9 [1],[2]
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 0.9 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal 16.7 [4],[5] 0.9 [1],[2]
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien senior secured loan 5    
Schedule of Investments [Line Items]    
Principal 3.7 [4],[5] 12.0 [1],[2]
Investment, Identifier [Axis]: WebPT, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.2  
Investment, Identifier [Axis]: WebPT, Inc. and WPT Intermediate Holdco, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   0.4
Investment, Identifier [Axis]: WebPT, Inc. and WPT Intermediate Holdco, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: WebPT, Inc. and WPT Intermediate Holdco, Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 0.7  
Investment, Identifier [Axis]: WebPT, Inc. and WPT Intermediate Holdco, Inc., First lien senior secured revolving loan 1    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.4
Investment, Identifier [Axis]: WebPT, Inc. and WPT Intermediate Holdco, Inc., First lien senior secured revolving loan 2    
Schedule of Investments [Line Items]    
Principal [1],[2]   0.1
Investment, Identifier [Axis]: WebPT, Inc. and WPT Intermediate Holdco, Inc., Senior subordinated loan    
Schedule of Investments [Line Items]    
Principal 69.7 [5] 65.3 [1]
Investment, Identifier [Axis]: Wellington Bidco Inc. and Wellington TopCo LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 16.0 16.0
Investment, Identifier [Axis]: Wellington Bidco Inc. and Wellington TopCo LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 4.0 [4],[5] 60.9 [1],[2]
Investment, Identifier [Axis]: Wellington Bidco Inc. and Wellington TopCo LP, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 0.6 [4],[5] 0.6 [1],[2]
Investment, Identifier [Axis]: Wellington-Altus Financial Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.9 1.9
Investment, Identifier [Axis]: Wellington-Altus Financial Inc. (2)    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   1.1
Investment, Identifier [Axis]: Wellington-Altus Financial Inc. 1    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.9  
Investment, Identifier [Axis]: Wellington-Altus Financial Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 0.8 [4],[5],[6] 0.8 [1],[2],[3]
Investment, Identifier [Axis]: Wellington-Altus Financial Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[6],[13] 0.0  
Investment, Identifier [Axis]: Wellness AcquisitionCo, Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.2 2.2
Investment, Identifier [Axis]: Wellness AcquisitionCo, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 11.4  
Investment, Identifier [Axis]: Wellness AcquisitionCo, Inc., First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 3.0 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: Wellness AcquisitionCo, Inc., First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 3.9 [4],[5] 1.7 [1],[2]
Investment, Identifier [Axis]: Werner Finco LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 110.3  
Investment, Identifier [Axis]: WorkWave Intermediate II, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 4.1 4.1
Investment, Identifier [Axis]: WorkWave Intermediate II, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 53.9 [4],[5] 53.0 [1],[2]
Investment, Identifier [Axis]: WorkWave Intermediate II, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 19.6 [4],[5] 19.3 [1],[2]
Investment, Identifier [Axis]: WorkWave Intermediate II, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 6.5 [4],[5] 6.4 [1],[2]
Investment, Identifier [Axis]: WorkWave Intermediate II, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 1.1 [4],[5] 1.1 [1],[2]
Investment, Identifier [Axis]: World Insurance Associates, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.9  
Investment, Identifier [Axis]: World Insurance Associates, LLC and World Associates Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   4.4
Investment, Identifier [Axis]: World Insurance Associates, LLC and World Associates Holdings, LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 9.4 [4],[5] 8.9 [1],[2]
Investment, Identifier [Axis]: Worldwide Produce Acquisition, LLC and REP WWP Coinvest IV, L.P.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 1.7 0.2
Investment, Identifier [Axis]: Worldwide Produce Acquisition, LLC and REP WWP Coinvest IV, L.P. (1)    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   1.7
Investment, Identifier [Axis]: Worldwide Produce Acquisition, LLC and REP WWP Coinvest IV, L.P. 1    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.2  
Investment, Identifier [Axis]: Worldwide Produce Acquisition, LLC and REP WWP Coinvest IV, L.P., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 8.3 [4],[5] 8.2 [1],[2]
Investment, Identifier [Axis]: Worldwide Produce Acquisition, LLC and REP WWP Coinvest IV, L.P., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[13] 0.0  
Investment, Identifier [Axis]: Wrench Group LLC, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 0.1 [5],[10] 0.1 [1],[9]
Investment, Identifier [Axis]: XIFIN, Inc. and ACP Charger Co-Invest LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 0.1 0.0
Investment, Identifier [Axis]: XIFIN, Inc. and ACP Charger Co-Invest LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: XIFIN, Inc. and ACP Charger Co-Invest LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 36.8 [4],[5] 37.0 [1],[2]
Investment, Identifier [Axis]: XIFIN, Inc. and ACP Charger Co-Invest LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 5.6 [4],[5] 5.7 [1],[2]
Investment, Identifier [Axis]: YE Brands Holdings, LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 3.2 1.9
Investment, Identifier [Axis]: YE Brands Holdings, LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 0.1 [4],[5] 0.1 [1],[2]
Investment, Identifier [Axis]: YE Brands Holdings, LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 8.0 [4],[5] 8.0 [1],[2]
Investment, Identifier [Axis]: YE Brands Holdings, LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 3.6 [4],[5] 3.6 [1],[2]
Investment, Identifier [Axis]: YE Brands Holdings, LLC, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal 2.6 [4],[5] 2.3 [1],[2]
Investment, Identifier [Axis]: YE Brands Holdings, LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   1.6
Investment, Identifier [Axis]: ZB Holdco LLC and ZB TopCo LLC    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 28.3 8.9
Investment, Identifier [Axis]: ZB Holdco LLC and ZB TopCo LLC, First lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal 0.2 [4],[5] 0.2 [1],[2]
Investment, Identifier [Axis]: ZB Holdco LLC and ZB TopCo LLC, First lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal 8.6 [4],[5] 8.6 [1],[2]
Investment, Identifier [Axis]: ZB Holdco LLC and ZB TopCo LLC, First lien senior secured loan 3    
Schedule of Investments [Line Items]    
Principal 10.6 [4],[5] 7.7 [1],[2]
Investment, Identifier [Axis]: ZB Holdco LLC and ZB TopCo LLC, First lien senior secured loan 4    
Schedule of Investments [Line Items]    
Principal [4],[5] 2.9  
Investment, Identifier [Axis]: ZB Holdco LLC and ZB TopCo LLC, First lien senior secured loan 5    
Schedule of Investments [Line Items]    
Principal [4],[5] 4.0  
Investment, Identifier [Axis]: ZB Holdco LLC and ZB TopCo LLC, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal 6.3 [4],[5],[7] 5.0 [1],[2],[11]
Investment, Identifier [Axis]: ZenDesk, Inc., Zoro TopCo, Inc. and Zoro TopCo, LP    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 9.5 12.8
Investment, Identifier [Axis]: ZenDesk, Inc., Zoro TopCo, Inc. and Zoro TopCo, LP, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 32.8 [4],[5] 43.4 [1],[2]
Investment, Identifier [Axis]: Zinc Buyer Corporation and Marmic Fire & Safety Co., Inc.    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 5.9 10.8
Investment, Identifier [Axis]: Zinc Buyer Corporation and Marmic Fire & Safety Co., Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [4],[5] 12.5  
Investment, Identifier [Axis]: Zinc Buyer Corporation and Marmic Fire & Safety Co., Inc., First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [4],[5],[7] 0.3  
Investment, Identifier [Axis]: Zinc Buyer Corporation, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [1],[2]   37.7
Investment, Identifier [Axis]: Zinc Buyer Corporation, First lien senior secured revolving loan    
Schedule of Investments [Line Items]    
Principal [1],[14]   0.0
Investment, Identifier [Axis]: ZocDoc, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 74.1 [4],[5] 74.1 [1],[2]
Investment, Identifier [Axis]: eCapital Finance Corp., Senior subordinated loan 1    
Schedule of Investments [Line Items]    
Principal 56.0 [4],[5],[6] 42.1 [1],[2],[3]
Investment, Identifier [Axis]: eCapital Finance Corp., Senior subordinated loan 2    
Schedule of Investments [Line Items]    
Principal 5.4 [4],[5],[6] 56.0 [1],[2],[3]
Investment, Identifier [Axis]: eCapital Finance Corp., Senior subordinated loan 3    
Schedule of Investments [Line Items]    
Principal 24.3 [4],[5],[6] 5.4 [1],[2],[3]
Investment, Identifier [Axis]: eCapital Finance Corp., Senior subordinated loan 4    
Schedule of Investments [Line Items]    
Principal 55.8 [4],[5],[6] 24.3 [1],[2],[3]
Investment, Identifier [Axis]: eCapital Finance Corp., Senior subordinated loan 5    
Schedule of Investments [Line Items]    
Principal 12.3 [4],[5],[6] 55.8 [1],[2],[3]
Investment, Identifier [Axis]: eCapital Finance Corp., Senior subordinated loan 6    
Schedule of Investments [Line Items]    
Principal 42.1 [4],[5],[6] 12.3 [1],[2],[3]
Investment, Identifier [Axis]: eCapital Finance Corp., Senior subordinated loan 7    
Schedule of Investments [Line Items]    
Principal 21.9 [4],[5],[6] 21.9 [1],[2],[3]
Investment, Identifier [Axis]: eResearch Technology, Inc. and Astorg VII Co-Invest ERT    
Schedule of Investments [Line Items]    
Total unfunded capital commitments   15.0
Investment, Identifier [Axis]: eResearch Technology, Inc. and Astorg VII Co-Invest ERT, First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal 181.9 [4],[5] 1.0 [1],[2],[9]
Investment, Identifier [Axis]: eResearch Technology, Inc. and Astorg VII Co-Invest ERT, Second lien senior secured loan 1    
Schedule of Investments [Line Items]    
Principal [1]   27.2
Investment, Identifier [Axis]: eResearch Technology, Inc. and Astorg VII Co-Invest ERT, Second lien senior secured loan 2    
Schedule of Investments [Line Items]    
Principal [1]   $ 30.6
Investment, Identifier [Axis]: eResearchTechnology, Inc. and Astorg VII Co-Invest ERT    
Schedule of Investments [Line Items]    
Total unfunded capital commitments 34.5  
Investment, Identifier [Axis]: pH Beauty Holdings III, Inc., First lien senior secured loan    
Schedule of Investments [Line Items]    
Principal [5] $ 25.3  
[1]
(2)These assets are pledged as collateral under the Company’s or the Company’s consolidated subsidiaries’ various revolving credit facilities and debt securitizations and, as a result, are not directly available to the creditors of the Company to satisfy any obligations of the Company other than the obligations under each of the respective facilities and debt securitizations (see Note 5).
[2] Loan includes interest rate floor feature.
[3] This portfolio company is not a qualifying asset under Section 55(a) of the Investment Company Act. Under the Investment Company Act, the Company may not acquire any non-qualifying asset unless, at the time such acquisition is made, qualifying assets represent at least 70% of the Company's total assets. Pursuant to Section 55(a) of the Investment Company Act, 22% of the Company's total assets are represented by investments at fair value and other assets that are considered “non-qualifying assets” as of December 31, 2024.
[4] Loan includes interest rate floor feature.
[5] These assets are pledged as collateral under the Company’s or the Company’s consolidated subsidiaries’ various revolving credit facilities and debt securitizations and, as a result, are not directly available to the creditors of the Company to satisfy any obligations of the Company other than the obligations under each of the respective facilities and debt securitizations (see Note 5).
[6] This portfolio company is not a qualifying asset under Section 55(a) of the Investment Company Act. Under the Investment Company Act, the Company may not acquire any non-qualifying asset unless, at the time such acquisition is made, qualifying assets represent at least 70% of the Company's total assets. Pursuant to Section 55(a) of the Investment Company Act, 22% of the Company's total assets are represented by investments at fair value and other assets that are considered "non-qualifying assets" as of June 30, 2025.
[7] As of June 30, 2025, in addition to the amounts funded by the Company under this first lien senior secured revolving loan, there were also letters of credit issued and outstanding through a financial intermediary under the loan. See Note 7 for further information on letters of credit commitments related to certain portfolio companies.
[8] Loan was on non-accrual status as of December 31, 2024.
[9] Other than the investments noted by this footnote, the fair value of the Company’s investments is determined using unobservable inputs that are significant to the overall fair value measurement. See Note 8 for more information regarding the fair value of the Company’s investments.
[10] Other than the investments noted by this footnote, the fair value of the Company’s investments is determined using unobservable inputs that are significant to the overall fair value measurement. See Note 8 for more information regarding the fair value of the Company’s investments.
[11] As of December 31, 2024, in addition to the amounts funded by the Company under this first lien senior secured revolving loan, there were also letters of credit issued and outstanding through a financial intermediary under the loan. See Note 7 for further information on letters of credit commitments related to certain portfolio companies.
[12] Loan was on non-accrual status as of June 30, 2025.
[13] As of June 30, 2025, no amounts were funded by the Company under this first lien senior secured revolving loan; however, there were letters of credit issued and outstanding through a financial intermediary under the loan. See Note 7 for further information on letters of credit commitments related to certain portfolio companies.
[14] As of December 31, 2024, no amounts were funded by the Company under this first lien senior secured revolving loan; however, there were letters of credit issued and outstanding through a financial intermediary under the loan. See Note 7 for further information on letters of credit commitments related to certain portfolio companies.
[15] The Company sold a participating interest of approximately $32.0 in aggregate principal amount outstanding of the portfolio company’s first lien senior secured revolving loan. As the transaction did not qualify as a “true sale” in accordance with U.S. generally accepted accounting principles (“GAAP”), the Company recorded a corresponding $32.0 secured borrowing, at fair value, included in “secured borrowings” in the accompanying consolidated balance sheet. As of December 31, 2024, the interest rate in effect for the secured borrowing was 12.15%.
[16] In addition to the interest earned based on the stated interest rate of this security, the Company is entitled to receive an additional interest amount of 2.00% on $36.2 in aggregate principal amount of a “first out” tranche of the portfolio company’s senior term debt previously syndicated by the Company into “first out” and “last out” tranches, whereby the “first out” tranche will have priority as to the “last out” tranche with respect to payments of principal, interest and any other amounts due thereunder.
[17] In addition to the interest earned based on the stated interest rate of this security, the Company is entitled to receive an additional interest amount of 2.00% on $38.7 in aggregate principal amount of a “first out” tranche of the portfolio company’s senior term debt previously syndicated by the Company into “first out” and “last out” tranches, whereby the “first out” tranche will have priority as to the “last out” tranche with respect to payments of principal, interest and any other amounts due thereunder.
[18] In addition to the interest earned based on the stated contractual interest rate of this security, the certificates entitle the holders thereof to receive a portion of the excess cash flow from the SDLP’s loan portfolio, after expenses, which may result in a return to the Company greater than the contractual stated interest rate.
[19] In addition to the interest earned based on the stated contractual interest rate of this security, the certificates entitle the holders thereof to receive a portion of the excess cash flow from the SDLP’s loan portfolio, after expenses, which may result in a return to the Company greater than the contractual stated interest rate.