Financial Highlights - Summary of Financial Highlights for One Share Common Stock Outstanding (Parenthetical) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Investment Company, Financial Highlights [Abstract]
Ratio of net expenses to average net asset, excluding waiver	14.92%	16.75%	17.00%	11.08%	11.19%			11.33%	9.42%	9.43%
Management and incentive fees waived						$ 0	$ 0