Earnings Per Share - Computation of Basic and Diluted Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Earnings Per Share [Abstract]
Increase in net assets resulting from operations	$ 50,992	$ 40,655	$ 47,401	$ 47,518	$ 51,161	$ 64,820	$ 53,090	$ 52,952	$ 46,262	$ 34,431	$ (13,525)	$ 40,885	$ 186,566	$ 222,023	$ 108,053
Weighted average shares of common stock outstanding—basic													92,035,165	85,131,264	78,197,826
Weighted average shares of common stock outstanding - diluted													92,035,165	85,131,264	78,197,826
Earnings per common share—basic													$ 2.03	$ 2.61	$ 1.38
Earnings per common share - diluted													$ 2.03	$ 2.61	$ 1.38