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Investments - Investment Income (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Investments, Debt and Equity Securities [Abstract]
Realized gains	$ (118,408)	$ 15,676,405	$ (1,488,059)
Unrealized gains (losses)	(24,082,672)	(2,352,649)	5,348,243
Dividends	4,193,792	3,221,448	2,824,542
Other investment income (loss)	(179,223)	(163,988)	(99,877)
Net investment income (loss)	$ (20,186,511)	$ 16,381,216	$ 6,584,849

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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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