Fair Value of Financial Instruments - Schedule of Net Change in Unrealized Gains (Losses) on Investments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total Investments	$ (282,304)	$ 18,081
Fair Value Asset Recurring Basis, Still Held, Unrealized Gain (Loss), Statement Of Income or Comprehensive Income [Extensible Enumeration]	Unrealized Gain (Loss) on Investments	Unrealized Gain (Loss) on Investments
First-lien senior secured debt investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total Investments	$ (222,699)	$ 1,547
Second-lien senior secured debt investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total Investments	(21,475)	(6,333)
Specialty finance debt investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total Investments	(10,502)	12,045
Unsecured debt investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total Investments	0	(305)
Preferred equity investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total Investments	(8,837)	1,062
Common equity investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total Investments	(15,270)	(157)
Specialty finance equity investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total Investments	$ (3,521)	$ 10,222