Net Assets - Narrative (Details) - USD ($)		3 Months Ended					9 Months Ended
	Nov. 30, 2021	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Equity, Class of Treasury Stock [Line Items]
Common stock, shares authorized (in shares)		500,000,000					500,000,000		500,000,000
Common stock, par value (in USD per share)		$ 0.01					$ 0.01		$ 0.01
Proceeds from issuance of common shares							$ 868,726,000	$ 499,453,000
Common Stock
Equity, Class of Treasury Stock [Line Items]
Shares issued (in shares)		20,287,142	18,843,766	16,123,863	13,123,039	20,039,586	55,254,771	33,162,625
Owl Rock Technology Advisors II LLC | Common Stock
Equity, Class of Treasury Stock [Line Items]
Shares issued (in shares)	100
Proceeds from issuance of common shares	$ 1,500