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v3.26.1

Fair Value of Investments - Schedule of Carrying and Fair Values of the Company’s Debt Obligations (Details) - USD ($) $ in Thousands | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Debt Instrument [Line Items] |  |
Net Carrying Value | $ 8,380,730 | $ 9,272,214
Debt Issuance Costs | (95,244) | (93,186)
Net Carrying Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 8,454,559 | 9,300,076
Fair Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 8,380,730 | 9,272,214
Level 1 |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 0 | 0
Level 2 |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 4,417,000 | 4,967,188
Level 3 |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 3,963,730 | 4,305,026
Line of Credit | SPV Asset Facility II |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | (5,429) | (5,562)
Line of Credit | SPV Asset Facility II | Net Carrying Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 278,271 | 156,138
Line of Credit | SPV Asset Facility II | Fair Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 278,271 | 156,138
Line of Credit | SPV Asset Facility V |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | (4,708) | (5,001)
Line of Credit | SPV Asset Facility V | Net Carrying Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 478,292 | 378,999
Line of Credit | SPV Asset Facility V | Fair Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 478,292 | 378,999
Line of Credit | SPV Asset Facility VI |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | (3,787) | (4,041)
Line of Credit | SPV Asset Facility VI | Net Carrying Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 436,213 | 295,959
Line of Credit | SPV Asset Facility VI | Fair Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 436,213 | 295,959
Line of Credit | SPV Asset Facility VII |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | (1,478) | (1,601)
Line of Credit | SPV Asset Facility VII | Net Carrying Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 298,522 | 208,399
Line of Credit | SPV Asset Facility VII | Fair Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 298,522 | 208,399
Secured Debt | CLO I |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | (3,394) | (3,489)
Secured Debt | CLO I | Net Carrying Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 386,606 | 386,511
Secured Debt | CLO I | Fair Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 386,606 | 386,511
Secured Debt | CLO III |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | (1,679) | (1,727)
Secured Debt | CLO III | Net Carrying Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 258,321 | 258,273
Secured Debt | CLO III | Fair Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 258,321 | 258,273
Secured Debt | CLO IV |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | (2,946) | (3,346)
Secured Debt | CLO IV | Net Carrying Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 231,502 | 272,117
Secured Debt | CLO IV | Fair Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 231,502 | 272,117
Secured Debt | CLO V |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | (2,001) | (2,062)
Secured Debt | CLO V | Net Carrying Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 507,624 | 507,563
Secured Debt | CLO V | Fair Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 507,624 | 507,563
Secured Debt | CLO VII |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | (2,084) | (2,127)
Secured Debt | CLO VII | Net Carrying Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 328,416 | 328,373
Secured Debt | CLO VII | Fair Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 328,416 | 328,373
Secured Debt | CLO X |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | (1,875) | (1,797)
Secured Debt | CLO X | Net Carrying Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 270,125 | 270,203
Secured Debt | CLO X | Fair Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 270,125 | 270,203
Secured Debt | CLO XIV |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | 0 | (1,578)
Secured Debt | CLO XIV | Net Carrying Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 0 | 258,422
Secured Debt | CLO XIV | Fair Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 0 | 258,422
Unsecured debt investments | 2026 Notes |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | 0 | (91)
Unsecured debt investments | 2026 Notes | Net Carrying Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 0 | 499,909
Unsecured debt investments | 2026 Notes | Fair Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 0 | 498,750
Unsecured debt investments | July 2026 Notes |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | (1,467) | (2,717)
Unsecured debt investments | July 2026 Notes | Net Carrying Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 998,533 | 997,283
Unsecured debt investments | July 2026 Notes | Fair Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 992,500 | 992,500
Unsecured debt investments | 2027 Notes |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | (12,540) | (2,117)
Unsecured debt investments | 2027 Notes | Net Carrying Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 486,646 | 483,987
Unsecured debt investments | 2027 Notes | Fair Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 487,500 | 488,750
Unsecured debt investments | April 2027 Notes |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | (873) | (1,078)
Unsecured debt investments | April 2027 Notes | Net Carrying Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 324,127 | 323,922
Unsecured debt investments | April 2027 Notes | Fair Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 315,250 | 317,688
Unsecured debt investments | July 2027 Notes |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | (1,177) | (1,389)
Unsecured debt investments | July 2027 Notes | Net Carrying Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 248,823 | 248,611
Unsecured debt investments | July 2027 Notes | Fair Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 250,000 | 250,000
Unsecured debt investments | 2028 Notes |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | (5,905) | (6,549)
Unsecured debt investments | 2028 Notes | Net Carrying Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 844,095 | 843,451
Unsecured debt investments | 2028 Notes | Fair Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 790,500 | 803,250
Unsecured debt investments | June 2028 Notes |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | (527) | (585)
Unsecured debt investments | June 2028 Notes | Net Carrying Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 99,473 | 99,415
Unsecured debt investments | June 2028 Notes | Fair Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 100,000 | 100,000
Unsecured debt investments | 2029 Notes |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | (7,674) | (8,373)
Unsecured debt investments | 2029 Notes | Net Carrying Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 996,429 | 1,002,667
Unsecured debt investments | 2029 Notes | Fair Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 987,500 | 1,010,000
Unsecured debt investments | 2030 Notes |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | (9,538) | (10,025)
Unsecured debt investments | 2030 Notes | Net Carrying Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 492,703 | 495,805
Unsecured debt investments | 2030 Notes | Fair Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 493,750 | 506,250
Revolving Credit Facility | Line of Credit | Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | (26,162) | (27,931)
Revolving Credit Facility | Line of Credit | Revolving Credit Facility | Net Carrying Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | 489,838 | 984,069
Revolving Credit Facility | Line of Credit | Revolving Credit Facility | Fair Value |  |
Debt Instrument [Line Items] |  |
Net Carrying Value | $ 489,838 | $ 984,069

X
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