Investments - Capital Commitment, Capital and Economic Ownership (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Schedule of Investments [Line Items]
Capital Commitment		$ 3,134,815
Economic ownership interest	185.00%		177.70%
Blue Owl Leasing JV LLC
Schedule of Investments [Line Items]
Capital Commitment	$ 86,600
Net Contributed Capital	$ 40,000
Economic ownership interest	100.00%
Blue Owl Leasing JV LLC \| Investment, Identifier [Axis]: Blue Owl Alternative Credit Fund
Schedule of Investments [Line Items]
Capital Commitment	$ 31,000
Net Contributed Capital	$ 31,000
Economic ownership interest	77.50%
Blue Owl Leasing JV LLC \| Investment, Identifier [Axis]: Blue Owl Capital Corporation
Schedule of Investments [Line Items]
Capital Commitment	$ 860
Net Contributed Capital	$ 860
Economic ownership interest	2.20%
Blue Owl Leasing JV LLC \| Investment, Identifier [Axis]: Blue Owl Capital Corporation II
Schedule of Investments [Line Items]
Capital Commitment	$ 90
Net Contributed Capital	$ 90
Economic ownership interest	0.20%
Blue Owl Leasing JV LLC \| Investment, Identifier [Axis]: Blue Owl Credit Income Corp.
Schedule of Investments [Line Items]
Capital Commitment	$ 30,952
Net Contributed Capital	$ 1,900
Economic ownership interest	4.70%
Blue Owl Leasing JV LLC \| Investment, Identifier [Axis]: Blue Owl Technology Finance Corp.
Schedule of Investments [Line Items]
Capital Commitment	$ 8,955
Net Contributed Capital	$ 800
Economic ownership interest	2.00%
Blue Owl Leasing JV LLC \| Investment, Identifier [Axis]: Blue Owl Technology Income Corp.
Schedule of Investments [Line Items]
Capital Commitment	$ 3,918
Net Contributed Capital	$ 350
Economic ownership interest	0.90%
Blue Owl Leasing JV LLC \| Investment, Identifier [Axis]: California State Teachers Retirement System
Schedule of Investments [Line Items]
Capital Commitment	$ 10,825
Net Contributed Capital	$ 5,000
Economic ownership interest	12.50%