Income Tax Expense - Schedule of Components of Income Tax Expense (Benefit) (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Income/(Loss) before Income Taxes	$ 58,904,765	$ 39,189,341	$ 154,517,434	$ 52,189,559
Income Tax Expense (Benefit)	$ 37,319,988	$ 28,436,332	$ 98,202,898	$ 56,964,047
Effective Tax Rate	63.40%	72.60%	63.60%	109.10%