Earnings (Loss) Per Share - Schedule of Basic and Diluted Earning Per Unit (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2025		Dec. 31, 2024		Dec. 31, 2023		Dec. 31, 2022	[1]	Dec. 31, 2021	[1]	Dec. 31, 2020	[2]	Dec. 31, 2019	[2],[3]	Dec. 31, 2018	[2],[3]	Dec. 31, 2017	[2],[3]	Dec. 31, 2016	[2],[3]
Earnings Per Share [Abstract]
Net increase (decrease) in net assets from operations	$ 119,267		$ 62,867		$ 195,874
Weighted average shares outstanding, basic	115,576,890	[1]	114,673,460	[1]	108,305,428	[1]	102,258,701		101,691,076		53,940,573		40,313,662		40,184,715		38,633,652		36,317,131
Weighted average shares outstanding, diluted	115,576,890	[1]	114,673,460	[1]	108,305,428	[1]	102,258,701		101,691,076		53,940,573		40,313,662		40,184,715		38,633,652		36,317,131
Basic earnings (loss) per share	$ 1.03		$ 0.55		$ 1.81
Diluted earnings (loss) per share	$ 1.03		$ 0.55		$ 1.81

[1] The per share data was derived by using the weighted average shares outstanding during the applicable period that the shares were outstanding, except for distributions recorded, which reflects the actual amount per share for the applicable period.

[2] The per share data was derived by using the weighted average shares outstanding during the applicable period, except for distributions recorded and issuance of common stock in connection with the Merger, which reflects the actual amount per share for the applicable period.

[3] Not covered by the report of the independent registered public accounting firm.