Summary of Significant Accounting Policies - Schedule of Tax Components of Accumulated Net Earnings (Losses) (Details) - USD ($)		Dec. 31, 2023	Dec. 31, 2022
Accounting Policies [Abstract]
Non-expiring capital loss carryforwards	[1]	$ (404,758,527)	$ (401,155,603)
Net unrealized gains (losses)	[2]	(55,547,052)	(57,232,175)
Total accumulated earnings (losses)		$ (460,305,579)	$ (458,387,778)

[1] Amount available to offset future realized capital gains.

[2] The difference between book-basis and tax-basis net unrealized gains (losses) was attributable primarily to the timing and recognition of partnership income, non-deductible expenses, the accounting for the Company's Interest Rate Swap, the accrual of income on securities in default, the timing and recognition of realized gains (losses) for tax purposes, and investments in wholly owned subsidiaries.