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, 2025	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	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, 2025	Dec. 31, 2024	Dec. 31, 2023
Earnings Per Share [Abstract]
Increase in net assets resulting from operations	$ 29,959	$ 44,600	$ 59,003	$ 36,955	$ 50,992	$ 40,655	$ 47,401	$ 47,518	$ 51,161	$ 64,820	$ 53,090	$ 52,952	$ 170,517	$ 186,566	$ 222,023
Weighted average shares of common stock outstanding—basic													94,098,870	92,035,165	85,131,264
Weighted average shares of common stock outstanding - diluted													94,098,870	92,035,165	85,131,264
Earnings per common share—basic													$ 1.81	$ 2.03	$ 2.61
Earnings per common share - diluted													$ 1.81	$ 2.03	$ 2.61