Fair Value - Level III Rollforward (Details) - USD ($) $ in Thousands	8 Months Ended	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2023
Total
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 0	$ 104,427
Total gains or losses included in earnings	(125)
Purchases, including capitalized PIK and revolver fundings	104,812	373,768
Proceeds from sales and paydowns of investments	(260)	(9,850)
Transfers out of Level III		(1,847)
Ending balance	104,427	475,705
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:	(125)	9,141
Total | Debt and Equity Securities, Realized Gain (Loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Total gains or losses included in earnings		7
Total | Debt and Equity Securities, Unrealized Gain (Loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Total gains or losses included in earnings		9,200
First Lien
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	0	93,348
Total gains or losses included in earnings	(836)
Purchases, including capitalized PIK and revolver fundings	94,444	368,927
Proceeds from sales and paydowns of investments	(260)	(9,850)
Transfers out of Level III		(1,847)
Ending balance	93,348	459,051
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:	(836)	8,407
First Lien | Debt and Equity Securities, Realized Gain (Loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Total gains or losses included in earnings		7
First Lien | Debt and Equity Securities, Unrealized Gain (Loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Total gains or losses included in earnings		8,466
Second Lien
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	0	7,239
Total gains or losses included in earnings	760
Purchases, including capitalized PIK and revolver fundings	6,479	800
Proceeds from sales and paydowns of investments	0	0
Transfers out of Level III		0
Ending balance	7,239	8,678
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:	760	639
Second Lien | Debt and Equity Securities, Realized Gain (Loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Total gains or losses included in earnings		0
Second Lien | Debt and Equity Securities, Unrealized Gain (Loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Total gains or losses included in earnings		639
Subordinated
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	0	3,077
Total gains or losses included in earnings	(33)
Purchases, including capitalized PIK and revolver fundings	3,110	3,463
Proceeds from sales and paydowns of investments	0	0
Transfers out of Level III		0
Ending balance	3,077	6,610
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:	(33)	70
Subordinated | Debt and Equity Securities, Realized Gain (Loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Total gains or losses included in earnings		0
Subordinated | Debt and Equity Securities, Unrealized Gain (Loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Total gains or losses included in earnings		70
Equity and other
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	0	763
Total gains or losses included in earnings	(16)
Purchases, including capitalized PIK and revolver fundings	779	578
Proceeds from sales and paydowns of investments	0	0
Transfers out of Level III		0
Ending balance	763	1,366
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:	$ (16)	25
Equity and other | Debt and Equity Securities, Realized Gain (Loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Total gains or losses included in earnings		0
Equity and other | Debt and Equity Securities, Unrealized Gain (Loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Total gains or losses included in earnings		$ 25