Fair Value - Summary of Changes in Level III Portfolio Investments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net realized gains (losses) on investments	$ (9)	$ 0
Total
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	331,675	76,117
Net change in unrealized appreciation (depreciation) of investments	(66)	489
Purchases, including capitalized PIK and revolver fundings	32,737	39,883
Proceeds from sales and paydowns of investments	(8,694)	(527)
Transfers into Level III	13,943	2,975
Transfers out of Level III	(1,523)	(1,985)
Ending balance	368,063	116,952
Net change in unrealized appreciation (depreciation) for the period relating to those Level III assets that were still held by the Company at the end of the period:	(69)	489
Total | Debt and Equity Securities, Realized Gain (Loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net realized gains (losses) on investments	(9)
First Lien
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	321,600	75,365
Net change in unrealized appreciation (depreciation) of investments	(127)	471
Purchases, including capitalized PIK and revolver fundings	32,115	36,707
Proceeds from sales and paydowns of investments	(8,694)	(527)
Transfers into Level III	13,471	2,975
Transfers out of Level III	0	(1,985)
Ending balance	358,356	113,006
Net change in unrealized appreciation (depreciation) for the period relating to those Level III assets that were still held by the Company at the end of the period:	(130)	471
First Lien | Debt and Equity Securities, Realized Gain (Loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net realized gains (losses) on investments	(9)
Second Lien
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	4,115	752
Net change in unrealized appreciation (depreciation) of investments	34	18
Purchases, including capitalized PIK and revolver fundings	560	3,176
Proceeds from sales and paydowns of investments	0	0
Transfers into Level III	0	0
Transfers out of Level III	(1,523)	0
Ending balance	3,186	3,946
Net change in unrealized appreciation (depreciation) for the period relating to those Level III assets that were still held by the Company at the end of the period:	34	$ 18
Second Lien | Debt and Equity Securities, Realized Gain (Loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net realized gains (losses) on investments	0
Subordinated
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	1,741
Net change in unrealized appreciation (depreciation) of investments	27
Purchases, including capitalized PIK and revolver fundings	62
Proceeds from sales and paydowns of investments	0
Transfers into Level III	0
Transfers out of Level III	0
Ending balance	1,830
Net change in unrealized appreciation (depreciation) for the period relating to those Level III assets that were still held by the Company at the end of the period:	27
Subordinated | Debt and Equity Securities, Realized Gain (Loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net realized gains (losses) on investments	0
Structured finance obligations
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	0
Net change in unrealized appreciation (depreciation) of investments	0
Purchases, including capitalized PIK and revolver fundings	0
Proceeds from sales and paydowns of investments	0
Transfers into Level III	472
Transfers out of Level III	0
Ending balance	472
Net change in unrealized appreciation (depreciation) for the period relating to those Level III assets that were still held by the Company at the end of the period:	0
Structured finance obligations | Debt and Equity Securities, Realized Gain (Loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net realized gains (losses) on investments	0
Equity and other
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	4,219
Net change in unrealized appreciation (depreciation) of investments	0
Purchases, including capitalized PIK and revolver fundings	0
Proceeds from sales and paydowns of investments	0
Transfers into Level III	0
Transfers out of Level III	0
Ending balance	4,219
Net change in unrealized appreciation (depreciation) for the period relating to those Level III assets that were still held by the Company at the end of the period:	0
Equity and other | Debt and Equity Securities, Realized Gain (Loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net realized gains (losses) on investments	$ 0