Consolidated Financial Highlights (Details Textual) - $ / shares	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Investment Company, Net Asset Value, Per Share, Period Increase (Decrease) (in dollars per share)	$ 0.04
Net Asset Value Per Share (in dollars per share)	$ 0	$ 0.15	$ 0.18	$ 4.44	$ 13.75	$ 14.82