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Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Consolidated Statements Of Comprehensive Income [Abstract]
Net income	$ 21,287,172	$ 17,606,681	$ 38,078,394	$ 43,870,699
Unrealized gain (loss) on securities	(11,499,570)	(19,880,002)	8,897,972	(67,631,658)
Unrealized gain (loss) on bond purchase commitments	(73,376)	(136,370)	39,171	(955,451)
Comprehensive income (loss)	$ 9,714,226	$ (2,409,691)	$ 47,015,537	$ (24,716,410)

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.

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