Financial Highlights - Schedule of Supplemental Ratios (Details)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Investment Company [Abstract]
Ratio of accrued capital gains incentive fees to average net assets	0.00%	0.00%	0.00%	0.00%	0.00%
Ratio of subordinated income incentive fees to average net assets	2.45%	2.57%	1.31%	0.83%	0.00%
Ratio of interest expense to average net assets	6.81%	6.63%	4.82%	4.10%	5.36%
Ratio of excise taxes to average net assets	0.34%	0.31%	0.25%	0.21%	0.32%