Fair Value - Summary of Changes in Level III Portfolio Investments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net realized gains (losses) on investments			$ (29)	$ 4
Total
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 384,865	$ 216,047	331,675	76,117
Net change in unrealized appreciation (depreciation) of investments	278	97	144	1,147
Purchases, including capitalized PIK and revolver fundings	51,162	67,953	119,035	206,647
Proceeds from sales and paydowns of investments	(37,597)	(9,729)	(69,727)	(24,083)
Transfers into Level III			16,353	2,974
Transfers out of Level III	(8,587)	(13,552)	(7,348)	(1,990)
Ending balance	390,131	260,816	390,131	260,816
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:	279	97	135	1,034
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	10		(1)	4
First Lien
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	368,246	208,627	321,600	75,365
Net change in unrealized appreciation (depreciation) of investments	366	69	196	1,038
Purchases, including capitalized PIK and revolver fundings	46,353	66,862	113,492	198,194
Proceeds from sales and paydowns of investments	(35,004)	(9,729)	(67,134)	(23,308)
Transfers into Level III			10,579	2,974
Transfers out of Level III	(8,587)	(13,552)	(7,348)	(1,990)
Ending balance	371,384	252,277	371,384	252,277
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:	367	69	187	949
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	10		(1)	4
Second Lien
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	9,971	5,805	4,115	752
Net change in unrealized appreciation (depreciation) of investments	(107)	14	(113)	95
Purchases, including capitalized PIK and revolver fundings	4,732	301	5,292	6,048
Proceeds from sales and paydowns of investments	(2,593)	0	(2,593)	(775)
Transfers into Level III			5,302	0
Transfers out of Level III	0	0	0	0
Ending balance	12,003	6,120	12,003	6,120
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:	(107)	14	(113)	71
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		0	0
Subordinated
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	1,908	1,615	1,741	0
Net change in unrealized appreciation (depreciation) of investments	9	14	49	14
Purchases, including capitalized PIK and revolver fundings	68	61	195	1,676
Proceeds from sales and paydowns of investments	0	0	0	0
Transfers into Level III			0	0
Transfers out of Level III	0	0	0	0
Ending balance	1,985	1,690	1,985	1,690
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:	10	14	49	14
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		0	0
Structured finance obligations
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	474		0
Net change in unrealized appreciation (depreciation) of investments	2		4
Purchases, including capitalized PIK and revolver fundings	0		0
Proceeds from sales and paydowns of investments	0		0
Transfers into Level III			472
Transfers out of Level III	0		0
Ending balance	476		476
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:	1		4
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		0
Equity and other
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	4,266	0	4,219	0
Net change in unrealized appreciation (depreciation) of investments	8	0	8	0
Purchases, including capitalized PIK and revolver fundings	9	729	56	729
Proceeds from sales and paydowns of investments	0	0	0	0
Transfers into Level III			0	0
Transfers out of Level III	0	0		0
Ending balance	4,283	729	4,283	729
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:	8	$ 0	8	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		$ 0	$ 0