v3.26.1
Fair Value of Financial Instruments - Schedule of Carrying and Fair Values of the Company’s Debt Obligations (Details) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
Debt Instrument [Line Items]    
Fair value of debt obligations $ 16,976,478,000 $ 15,746,558,000
Unamortized Debt Issuance (Costs) Premium (170,099,000) (180,343,000)
Unamortized Debt Issuance (Costs) Premium (170,099,000) (180,343,000)
Level 1    
Debt Instrument [Line Items]    
Fair value of debt obligations 0 0
Level 2    
Debt Instrument [Line Items]    
Fair value of debt obligations 7,173,979,000 6,808,529,000
Level 3    
Debt Instrument [Line Items]    
Fair value of debt obligations 9,802,499,000 8,938,029,000
Net Carrying Value    
Debt Instrument [Line Items]    
Fair value of debt obligations 16,862,053,000 15,590,329,000
Fair Value    
Debt Instrument [Line Items]    
Fair value of debt obligations 16,976,478,000 15,746,558,000
SPV Asset Facility I | Line of Credit    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (7,000,000) (7,346,000)
Unamortized Debt Issuance (Costs) Premium (7,000,000) (7,346,000)
SPV Asset Facility I | Net Carrying Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 287,200,000 231,254,000
SPV Asset Facility I | Fair Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 287,200,000 231,254,000
SPV Asset Facility II | Line of Credit    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (15,999,000) (18,062,000)
Unamortized Debt Issuance (Costs) Premium (15,999,000) (18,062,000)
SPV Asset Facility II | Net Carrying Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 986,001,000 913,938,000
SPV Asset Facility II | Fair Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 986,001,000 913,938,000
SPV Asset Facility III | Line of Credit    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (14,750,000) (16,599,000)
Unamortized Debt Issuance (Costs) Premium (14,750,000) (16,599,000)
SPV Asset Facility III | Net Carrying Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 1,218,750,000 1,216,901,000
SPV Asset Facility III | Fair Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 1,218,750,000 1,216,901,000
SPV Asset Facility IV | Line of Credit    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (5,029,000) (5,314,000)
Unamortized Debt Issuance (Costs) Premium (5,029,000) (5,314,000)
SPV Asset Facility IV | Net Carrying Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 155,071,000 169,686,000
SPV Asset Facility IV | Fair Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 155,071,000 169,686,000
SPV Asset Facility V | Line of Credit    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (4,653,000) (5,344,000)
Unamortized Debt Issuance (Costs) Premium (4,653,000) (5,344,000)
SPV Asset Facility V | Net Carrying Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 601,597,000 600,906,000
SPV Asset Facility V | Fair Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 601,597,000 600,906,000
SPV Asset Facility VI | Line of Credit    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (9,694,000) (12,323,000)
Unamortized Debt Issuance (Costs) Premium (9,694,000) (12,323,000)
SPV Asset Facility VI | Net Carrying Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 667,306,000 633,677,000
SPV Asset Facility VI | Fair Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 667,306,000 633,677,000
SPV Asset Facility VII | Line of Credit    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (2,267,000) (2,650,000)
Unamortized Debt Issuance (Costs) Premium (2,267,000) (2,650,000)
SPV Asset Facility VII | Net Carrying Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 394,733,000 460,935,000
SPV Asset Facility VII | Fair Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 394,733,000 460,935,000
SPV Asset Facility VIII | Line of Credit    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (5,030,000) (5,293,000)
Unamortized Debt Issuance (Costs) Premium (5,030,000) (5,293,000)
SPV Asset Facility VIII | Net Carrying Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 657,470,000 582,207,000
SPV Asset Facility VIII | Fair Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 657,470,000 582,207,000
SPV Asset Facility IX | Line of Credit    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (2,377,000) (2,693,000)
Unamortized Debt Issuance (Costs) Premium (2,377,000) (2,693,000)
SPV Asset Facility IX | Net Carrying Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 227,623,000 227,307,000
SPV Asset Facility IX | Fair Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 227,623,000 227,307,000
SPV Asset Facility X | Line of Credit    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (4,588,000) (5,206,000)
Unamortized Debt Issuance (Costs) Premium (4,588,000) (5,206,000)
SPV Asset Facility X | Net Carrying Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 245,412,000 (5,206,000)
SPV Asset Facility X | Fair Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 245,412,000 (5,206,000)
SPV Asset Facility XI | Line of Credit    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (1,589,000) 0
Unamortized Debt Issuance (Costs) Premium (1,589,000)  
SPV Asset Facility XI | Net Carrying Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 248,411,000 0
SPV Asset Facility XI | Fair Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 248,411,000 0
CLO VIII | Secured Debt    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (2,117,000) (2,213,000)
Unamortized Debt Issuance (Costs) Premium (2,117,000) (2,213,000)
CLO VIII | Net Carrying Value | Secured Debt    
Debt Instrument [Line Items]    
Fair value of debt obligations 372,883,000 372,787,000
CLO VIII | Fair Value | Secured Debt    
Debt Instrument [Line Items]    
Fair value of debt obligations 372,883,000 372,787,000
CLO XI | Secured Debt    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (3,922,000) (1,466,000)
Unamortized Debt Issuance (Costs) Premium (3,922,000) (1,466,000)
CLO XI | Net Carrying Value | Secured Debt    
Debt Instrument [Line Items]    
Fair value of debt obligations 268,078,000 258,534,000
CLO XI | Fair Value | Secured Debt    
Debt Instrument [Line Items]    
Fair value of debt obligations 268,078,000 258,534,000
CLO XV | Secured Debt    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (2,382,000) (2,504,000)
Unamortized Debt Issuance (Costs) Premium (2,382,000) (2,504,000)
CLO XV | Net Carrying Value | Secured Debt    
Debt Instrument [Line Items]    
Fair value of debt obligations 309,618,000 309,496,000
CLO XV | Fair Value | Secured Debt    
Debt Instrument [Line Items]    
Fair value of debt obligations 309,618,000 309,496,000
CLO XVI | Secured Debt    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (2,316,000) (2,432,000)
Unamortized Debt Issuance (Costs) Premium (2,316,000) (2,432,000)
CLO XVI | Net Carrying Value | Secured Debt    
Debt Instrument [Line Items]    
Fair value of debt obligations 417,684,000 417,568,000
CLO XVI | Fair Value | Secured Debt    
Debt Instrument [Line Items]    
Fair value of debt obligations 417,684,000 417,568,000
CLO XVII | Secured Debt    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (2,455,000) (2,575,000)
Unamortized Debt Issuance (Costs) Premium (2,455,000) (2,575,000)
CLO XVII | Net Carrying Value | Secured Debt    
Debt Instrument [Line Items]    
Fair value of debt obligations 322,545,000 322,425,000
CLO XVII | Fair Value | Secured Debt    
Debt Instrument [Line Items]    
Fair value of debt obligations 322,545,000 322,425,000
CLO XVIII | Secured Debt    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (1,619,000) (1,699,000)
Unamortized Debt Issuance (Costs) Premium (1,619,000) (1,699,000)
CLO XVIII | Net Carrying Value | Secured Debt    
Debt Instrument [Line Items]    
Fair value of debt obligations 258,381,000 258,301,000
CLO XVIII | Fair Value | Secured Debt    
Debt Instrument [Line Items]    
Fair value of debt obligations 258,381,000 258,301,000
CLO XIX | Secured Debt    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (1,768,000) (1,776,000)
Unamortized Debt Issuance (Costs) Premium (1,768,000) (1,776,000)
CLO XIX | Net Carrying Value | Secured Debt    
Debt Instrument [Line Items]    
Fair value of debt obligations 258,232,000 258,224,000
CLO XIX | Fair Value | Secured Debt    
Debt Instrument [Line Items]    
Fair value of debt obligations 258,232,000 258,224,000
CLO XXII | Secured Debt    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (2,910,000) (3,238,000)
Unamortized Debt Issuance (Costs) Premium (2,910,000) (3,238,000)
CLO XXII | Net Carrying Value | Secured Debt    
Debt Instrument [Line Items]    
Fair value of debt obligations 734,590,000 734,262,000
CLO XXII | Fair Value | Secured Debt    
Debt Instrument [Line Items]    
Fair value of debt obligations 734,590,000 734,262,000
CLO XXIV | Secured Debt    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (2,640,000) 0
Unamortized Debt Issuance (Costs) Premium (2,640,000)  
CLO XXIV | Net Carrying Value | Secured Debt    
Debt Instrument [Line Items]    
Fair value of debt obligations 597,360,000 0
CLO XXIV | Fair Value | Secured Debt    
Debt Instrument [Line Items]    
Fair value of debt obligations 597,360,000 0
September 2026 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (410,000) (1,219,000)
Unamortized Debt Issuance (Costs) Premium (410,000) (1,219,000)
September 2026 Notes | Net Carrying Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 349,590,000 348,781,000
September 2026 Notes | Fair Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 348,250,000 345,625,000
February 2027 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (996,000) (1,783,000)
Unamortized Debt Issuance (Costs) Premium (996,000) (1,783,000)
February 2027 Notes | Net Carrying Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 499,004,000 498,217,000
February 2027 Notes | Fair Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 497,500,000 498,750,000
September 2027 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium 2,348,000 3,252,000
September 2027 Notes | Net Carrying Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 596,750,000 602,558,000
September 2027 Notes | Fair Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 613,500,000 624,000,000
AUD 2027 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (1,318,000) (1,801,000)
Unamortized Debt Issuance (Costs) Premium (1,318,000) (1,801,000)
AUD 2027 Notes | Net Carrying Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 307,764,000 297,500,000
AUD 2027 Notes | Fair Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 298,380,000 300,771,000
May 2028 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (5,289,000) (6,572,000)
Unamortized Debt Issuance (Costs) Premium (5,289,000) (6,572,000)
May 2028 Notes | Net Carrying Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 491,706,000 497,070,000
May 2028 Notes | Fair Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 498,750,000 507,500,000
June 2028 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium 4,251,000 5,232,000
June 2028 Notes | Net Carrying Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 645,843,000 655,313,000
June 2028 Notes | Fair Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 672,750,000 687,375,000
January 2029 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium   (8,860,000)
Unamortized Debt Issuance (Costs) Premium 112,000 (8,860,000)
January 2029 Notes | Net Carrying Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 542,480,000 551,308,000
January 2029 Notes | Fair Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 566,500,000 581,625,000
September 2029 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (6,029,000) (6,878,000)
Unamortized Debt Issuance (Costs) Premium (6,029,000) (6,878,000)
September 2029 Notes | Net Carrying Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 898,697,000 916,757,000
September 2029 Notes | Fair Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 904,500,000 924,750,000
March 2030 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (15,936,000) (17,838,000)
Unamortized Debt Issuance (Costs) Premium (15,936,000) (17,838,000)
March 2030 Notes | Net Carrying Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 955,404,000 970,380,000
March 2030 Notes | Fair Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 975,000,000 997,500,000
EUR 2031 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (8,386,000) (9,107,000)
Unamortized Debt Issuance (Costs) Premium (8,386,000) (9,107,000)
EUR 2031 Notes | Net Carrying Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 554,608,000 571,783,000
EUR 2031 Notes | Fair Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 553,224,000 568,133,000
March 2031 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (14,319,000) (15,595,000)
Unamortized Debt Issuance (Costs) Premium (14,319,000) (15,595,000)
March 2031 Notes | Net Carrying Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 729,115,000 742,633,000
March 2031 Notes | Fair Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 748,125,000 772,500,000
October 2031 Notes | Unsecured debt investments    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (11,067,000) 0
Unamortized Debt Issuance (Costs) Premium (11,067,000)  
October 2031 Notes | Net Carrying Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 488,593,000 0
October 2031 Notes | Fair Value | Unsecured debt investments    
Debt Instrument [Line Items]    
Fair value of debt obligations 497,500,000 0
Revolving Credit Facility | Revolving Credit Facility | Line of Credit    
Debt Instrument [Line Items]    
Unamortized Debt Issuance (Costs) Premium (17,955,000) (20,441,000)
Unamortized Debt Issuance (Costs) Premium (17,955,000) (20,441,000)
Revolving Credit Facility | Revolving Credit Facility | Net Carrying Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations 573,554,000 974,827,000
Revolving Credit Facility | Revolving Credit Facility | Fair Value | Line of Credit    
Debt Instrument [Line Items]    
Fair value of debt obligations $ 573,554,000 $ 974,827,000