v3.26.1
Fair Value of Investments - Schedule of Significant Unobservable Inputs (Details)
$ in Thousands
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 4,821,347 [1],[2] $ 4,277,724 [3],[4]
First lien senior secured debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 4,685,584 4,173,995
Sponsor subordinated note    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 65 59
Level 3 | Discounted cash flow and market comparable    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 4,499,353 3,858,150
Level 3 | First lien senior secured debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 4,685,584 4,173,995
Level 3 | First lien senior secured debt | Discounted cash flow | Yield    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 4,468,076 $ 3,798,639
Level 3 | First lien senior secured debt | Discounted cash flow | Yield | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.063 0.085
Level 3 | First lien senior secured debt | Discounted cash flow | Yield | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.383 0.372
Level 3 | First lien senior secured debt | Discounted cash flow | Yield | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.103 0.097
Level 3 | First lien senior secured debt | Discounted cash flow | Yield 1    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 2,226 $ 586
Investments at fair value, measurement input   0.112
Level 3 | First lien senior secured debt | Discounted cash flow | Yield 1 | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.190  
Level 3 | First lien senior secured debt | Discounted cash flow | Yield 1 | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.235  
Level 3 | First lien senior secured debt | Discounted cash flow | Yield 1 | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.219 0.112
Level 3 | First lien senior secured debt | Discounted cash flow | Yield 2    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 1,327  
Investments at fair value, measurement input   0.160
Level 3 | First lien senior secured debt | Discounted cash flow | Yield 2 | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.691  
Level 3 | First lien senior secured debt | Discounted cash flow | Yield 2 | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.693  
Level 3 | First lien senior secured debt | Discounted cash flow | Yield 2 | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.692 0.160
Level 3 | First lien senior secured debt | Discounted cash flow | Yield 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 598  
Investments at fair value, measurement input 0.173  
Level 3 | First lien senior secured debt | Discounted cash flow | Yield 4    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 5,953  
Level 3 | First lien senior secured debt | Discounted cash flow | Yield 4 | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.461  
Level 3 | First lien senior secured debt | Discounted cash flow | Yield 4 | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.462  
Level 3 | First lien senior secured debt | Discounted cash flow | Yield 4 | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.462  
Level 3 | First lien senior secured debt | Market comparable | LTM Revenue multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.9  
Level 3 | First lien senior secured debt | Market comparable | LTM Revenue multiple | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input   0.6
Level 3 | First lien senior secured debt | Market comparable | LTM Revenue multiple | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input   0.9
Level 3 | First lien senior secured debt | Market comparable | LTM Revenue multiple | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.9 0.7
Level 3 | First lien senior secured debt | Market comparable | Forward EBITDA multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value   $ 35,225
Investments at fair value, measurement input 6.8  
Level 3 | First lien senior secured debt | Market comparable | Forward EBITDA multiple | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input   7.5
Level 3 | First lien senior secured debt | Market comparable | Forward EBITDA multiple | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input   9.5
Level 3 | First lien senior secured debt | Market comparable | Forward EBITDA multiple | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 6.8 9.5
Level 3 | First lien senior secured debt | Market comparable | LTM EBITDA multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input   11.0
Level 3 | First lien senior secured debt | Market comparable | LTM EBITDA multiple | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 12.5 11.0
Level 3 | First lien senior secured debt | Market comparable | LTM Revenue multiple 1    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value   $ 3,748
Level 3 | First lien senior secured debt | Market comparable | LTM Revenue multiple 1 | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input   0.3
Level 3 | First lien senior secured debt | Market comparable | LTM Revenue multiple 1 | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input   2.3
Level 3 | First lien senior secured debt | Market comparable | LTM Revenue multiple 1 | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.3 1.4
Level 3 | First lien senior secured debt | Market comparable | Forward Revenue multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.3 1.3
Level 3 | First lien senior secured debt | Market comparable | Forward Revenue multiple | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input   1.3
Level 3 | First lien senior secured debt | Market comparable | LTM EBITDA multiple 1    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 3,215 $ 2,283
Level 3 | First lien senior secured debt | Market comparable | LTM EBITDA multiple 1 | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 9.5 9.0
Level 3 | First lien senior secured debt | Market comparable | LTM EBITDA multiple 1 | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 12.0 12.0
Level 3 | First lien senior secured debt | Market comparable | LTM EBITDA multiple 1 | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 11.2 11.8
Level 3 | First lien senior secured debt | Market comparable | Forward EBITDA multiple 1    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 5,526 $ 1,871
Investments at fair value, measurement input 10.3 5.5
Level 3 | First lien senior secured debt | Market comparable | Forward EBITDA multiple 1 | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 10.3 5.5
Level 3 | First lien senior secured debt | Market comparable | Forward Revenue multiple 1    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 4,167  
Investments at fair value, measurement input   0.5
Level 3 | First lien senior secured debt | Market comparable | Forward Revenue multiple 1 | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.3  
Level 3 | First lien senior secured debt | Market comparable | Forward Revenue multiple 1 | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 4.3  
Level 3 | First lien senior secured debt | Market comparable | Forward Revenue multiple 1 | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 1.1 0.5
Level 3 | First lien senior secured debt | Market comparable | LTM Revenue multiple 2    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 3,531 $ 749
Investments at fair value, measurement input   1.0
Level 3 | First lien senior secured debt | Market comparable | LTM Revenue multiple 2 | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.2  
Level 3 | First lien senior secured debt | Market comparable | LTM Revenue multiple 2 | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 1.6  
Level 3 | First lien senior secured debt | Market comparable | LTM Revenue multiple 2 | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 1.1 1.0
Level 3 | First lien senior secured debt | Market comparable | Forward Revenue multiple 2    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 3,090 $ 7,663
Level 3 | First lien senior secured debt | Market comparable | Forward Revenue multiple 2 | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input   0.3
Level 3 | First lien senior secured debt | Market comparable | Forward Revenue multiple 2 | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input   3.3
Level 3 | First lien senior secured debt | Market comparable | Forward Revenue multiple 2 | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.5 0.4
Level 3 | First lien senior secured debt | Market comparable | Forward EBITDA multiple 2    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value   $ 5,446
Investments at fair value, measurement input   10.0
Level 3 | First lien senior secured debt | Market comparable | Forward EBITDA multiple 2 | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 5.5  
Level 3 | First lien senior secured debt | Market comparable | Forward EBITDA multiple 2 | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 9.3  
Level 3 | First lien senior secured debt | Market comparable | Forward EBITDA multiple 2 | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 6.9 10.0
Level 3 | First lien senior secured debt | Market comparable | LTM Revenue multiple 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 1,624  
Level 3 | First lien senior secured debt | Market comparable | LTM Revenue multiple 3 | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.6  
Level 3 | First lien senior secured debt | Market comparable | LTM Revenue multiple 3 | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.9  
Level 3 | First lien senior secured debt | Market comparable | LTM Revenue multiple 3 | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.9  
Level 3 | First lien senior secured debt | Market comparable | Forward Revenue multiple 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value   $ 1,924
Investments at fair value, measurement input 0.8  
Level 3 | First lien senior secured debt | Market comparable | Forward Revenue multiple 3 | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input   0.6
Level 3 | First lien senior secured debt | Market comparable | Forward Revenue multiple 3 | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input   0.9
Level 3 | First lien senior secured debt | Market comparable | Forward Revenue multiple 3 | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 0.8 0.7
Level 3 | Sponsor subordinated note    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 65 $ 59
Level 3 | Sponsor subordinated note | Market comparable | LTM EBITDA multiple 2    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 20 $ 16
Investments at fair value, measurement input 7.6 7.6
Level 3 | Sponsor subordinated note | Market comparable | LTM EBITDA multiple 2 | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value, measurement input 7.6 7.6
[1] Unless otherwise indicated, all investments represent co-investments made with the Company’s affiliates in accordance with the terms of the exemptive relief that the Company received from the U.S. Securities and Exchange Commission. Refer to Note 6 for further information.
[2] Unless otherwise indicated, all investments are considered Level 3 investments.
[3] Unless otherwise indicated, all investments are considered Level 3 investments.
[4] Unless otherwise indicated, all investments represent co-investments made with the Company’s affiliates in accordance with the terms of the exemptive relief that the Company received from the U.S. Securities and Exchange Commission. Refer to Note 6 for further information.