Fair Value - Schedule of Roll Forward Level III (Details) - Level 3 - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Senior Secured Loans - First Lien
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value at beginning of period	$ 1,303,361	$ 759,122
Purchases	73,965	145,400
Paid-in-kind interest	475	583
Sales and repayments	(50,508)	(15,717)
Accretion of discount (amortization of premium)	170	268
Fair value at end of period	1,311,638	893,019
Net change in unrealized appreciation (depreciation) of investments held	(16,389)	3,015
Senior Secured Loans - First Lien | Net change in unrealized appreciation (depreciation)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net change in unrealized appreciation (depreciation) and net realized gain (loss)	(16,153)	3,091
Senior Secured Loans - First Lien | Net realized gain (loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net change in unrealized appreciation (depreciation) and net realized gain (loss)	328	272
Subordinated Debt
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value at beginning of period	743	0
Purchases	0	678
Paid-in-kind interest	22	0
Sales and repayments	0	0
Accretion of discount (amortization of premium)	0	0
Fair value at end of period	642	678
Net change in unrealized appreciation (depreciation) of investments held	(123)	0
Subordinated Debt | Net change in unrealized appreciation (depreciation)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net change in unrealized appreciation (depreciation) and net realized gain (loss)	(123)	0
Subordinated Debt | Net realized gain (loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net change in unrealized appreciation (depreciation) and net realized gain (loss)	0	0
Equity
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value at beginning of period	942	0
Purchases	0	1,608
Paid-in-kind interest	0	0
Sales and repayments	0	0
Accretion of discount (amortization of premium)	0	0
Fair value at end of period	453	800
Net change in unrealized appreciation (depreciation) of investments held	(489)	(808)
Equity | Net change in unrealized appreciation (depreciation)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net change in unrealized appreciation (depreciation) and net realized gain (loss)	(489)	(808)
Equity | Net realized gain (loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net change in unrealized appreciation (depreciation) and net realized gain (loss)	0	0
Investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value at beginning of period	1,305,046	759,122
Purchases	73,965	147,686
Paid-in-kind interest	497	583
Sales and repayments	(50,508)	(15,717)
Accretion of discount (amortization of premium)	170	268
Fair value at end of period	1,312,733	894,497
Net change in unrealized appreciation (depreciation) of investments held	(17,001)	2,207
Investments | Net change in unrealized appreciation (depreciation)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net change in unrealized appreciation (depreciation) and net realized gain (loss)	(16,765)	2,283
Investments | Net realized gain (loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net change in unrealized appreciation (depreciation) and net realized gain (loss)	$ 328	$ 272