Debt - CLO V (Details) - USD ($)			17 Months Ended
	Apr. 20, 2022	Nov. 20, 2020	Apr. 20, 2022	Dec. 31, 2023	Dec. 31, 2022
Preferred equity investments | CLO V Issuer
Debt Instrument [Line Items]
Value of shares issued	$ 10,200,000	$ 149,500,000	$ 159,600,000
Shares issued (in share)	159,620	149,450
Issue price (in usd per share)		$ 1,000
Public offering price (in dollars per share)	$ 1,000		$ 1,000
Middle market loans | CLO V Issuer
Debt Instrument [Line Items]
Aggregate Principal Committed	$ 275,700,000	$ 201,800,000	$ 275,700,000
Middle market loans | ORCC Financing II, LLC | CLO V Issuer
Debt Instrument [Line Items]
Aggregate Principal Committed		84,700,000
CLO V | Secured Debt
Debt Instrument [Line Items]
Aggregate Principal Committed	669,200,000	345,500,000	669,200,000	$ 509,625,000	$ 509,625,000
CLO V, Class A-1 Notes | Secured Debt
Debt Instrument [Line Items]
Aggregate Principal Committed		$ 182,000,000
CLO V, Class A-1 Notes | Secured Debt | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate		1.85%
CLO V, Class A-2 Notes | Secured Debt
Debt Instrument [Line Items]
Aggregate Principal Committed		$ 14,000,000
CLO V, Class A-2 Notes | Secured Debt | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate		2.20%
CLO V, Class A-1R Notes | Secured Debt
Debt Instrument [Line Items]
Aggregate Principal Committed	$ 354,400,000		354,400,000
CLO V, Class A-1R Notes | Secured Debt | Benchmark Rate
Debt Instrument [Line Items]
Basis spread on variable rate	1.78%
CLO V, Class A-2R Notes | Secured Debt
Debt Instrument [Line Items]
Aggregate Principal Committed	$ 30,400,000		30,400,000
CLO V, Class A-2R Notes | Secured Debt | Benchmark Rate
Debt Instrument [Line Items]
Basis spread on variable rate	1.95%
CLO V, Class B-1 Notes | Secured Debt
Debt Instrument [Line Items]
Aggregate Principal Committed	$ 49,000,000		49,000,000
CLO V, Class B-1 Notes | Secured Debt | Benchmark Rate
Debt Instrument [Line Items]
Basis spread on variable rate	2.20%
CLO V, Class B-2 Notes | Secured Debt
Debt Instrument [Line Items]
Aggregate Principal Committed	$ 5,000,000		$ 5,000,000
Interest rate, stated percentage	4.25%		4.25%
CLO V, Class C-1 Notes | Secured Debt
Debt Instrument [Line Items]
Aggregate Principal Committed	$ 31,500,000		$ 31,500,000
CLO V, Class C-1 Notes | Secured Debt | Benchmark Rate
Debt Instrument [Line Items]
Basis spread on variable rate	3.15%
CLO V, Class C-2 Notes | Secured Debt
Debt Instrument [Line Items]
Aggregate Principal Committed	$ 39,400,000		$ 39,400,000
Interest rate, stated percentage	5.10%		5.10%