Fair Value of Financial Instruments - Roll Forward Level III (Details) - USD ($) $ in Thousands	2 Months Ended	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2024
Senior Secured Loans—First Lien
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value at beginning of period	$ 2,647	$ 204,314
Accretion of discount (amortization of premium)	3	135
Purchases	8,581	164,442
Paid-in-kind interest	0	101
Sales and repayments	(7)	(10,509)
Transfers into Level 3	0	0
Transfers out of Level 3	0	0
Fair value at end of period	11,359	359,921
The amount of total gains or losses for the period included in changes in net assets attributable to the change in unrealized gains or losses relating to investments still held at the reporting date	135	1,451
Senior Secured Loans—First Lien | Net realized gain (loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net realized gain (loss)	0	(13)
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 realized gain (loss)	135	1,451
Subordinated Debt
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value at beginning of period		961
Accretion of discount (amortization of premium)		1
Purchases		485
Paid-in-kind interest		49
Sales and repayments		0
Transfers into Level 3		0
Transfers out of Level 3		0
Fair value at end of period		1,496
The amount of total gains or losses for the period included in changes in net assets attributable to the change in unrealized gains or losses relating to investments still held at the reporting date		0
Subordinated Debt | Net realized gain (loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net realized gain (loss)		0
Subordinated Debt | Net change in unrealized appreciation (depreciation)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net realized gain (loss)		0
Asset Based Finance
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value at beginning of period	3,484	57,041
Accretion of discount (amortization of premium)	1	30
Purchases	67	29,940
Paid-in-kind interest	0	0
Sales and repayments	0	(4,526)
Transfers into Level 3	0	0
Transfers out of Level 3	0	0
Fair value at end of period	3,568	82,959
The amount of total gains or losses for the period included in changes in net assets attributable to the change in unrealized gains or losses relating to investments still held at the reporting date	16	485
Asset Based Finance | Net realized gain (loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net realized gain (loss)	0	(11)
Asset Based Finance | Net change in unrealized appreciation (depreciation)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net realized gain (loss)	16	485
Total
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value at beginning of period	6,131	262,316
Accretion of discount (amortization of premium)	4	166
Purchases	8,648	194,867
Paid-in-kind interest	0	150
Sales and repayments	(7)	(15,035)
Transfers into Level 3	0	0
Transfers out of Level 3	0	0
Fair value at end of period	14,927	444,376
The amount of total gains or losses for the period included in changes in net assets attributable to the change in unrealized gains or losses relating to investments still held at the reporting date	151	1,936
Total | Net realized gain (loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net realized gain (loss)	0	(24)
Total | Net change in unrealized appreciation (depreciation)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net realized gain (loss)	$ 151	$ 1,936