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Investments - Investment Income (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Investments, Debt and Equity Securities [Abstract]
Realized gains (losses)	$ (162,973)	$ 1,185,429	$ (432,444)	$ 5,244,509
Change in unrealized gains / losses	(8,742,185)	(4,689,325)	(35,262,608)	1,572,140
Dividends	886,212	971,107	2,517,672	2,241,037
Other	(12,760)	(96,800)	(124,456)	(146,735)
Investment income (loss), net	$ (8,031,706)	$ (2,629,589)	$ (33,301,836)	$ 8,910,951

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Investment Income, Other Income (Loss)

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Amount of dividend income on nonoperating securities.

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Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities.

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Amount of realized gain (loss) on investment.

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