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Investments - Investment Income (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Investments, Debt and Equity Securities [Abstract]
Realized gains	$ 15,676,405	$ (1,488,059)	$ 9,056,152
Unrealized gains (losses)	(2,352,649)	5,348,243	15,086,747
Dividends	3,221,448	2,824,542	5,350,146
Interest	0	0	987,240
Other investment income (loss)	(163,988)	(99,877)	27,090
Net investment income (loss)	$ 16,381,216	$ 6,584,849	$ 30,507,375

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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 before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

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