Income Taxes - Income Tax Provision (Benefit) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current
Federal	$ 9,034,736	$ 21,058,703	$ 19,219,251
State	5,924,933	9,646,172	5,336,885
Current income tax expense (benefit)	14,959,669	30,704,875	24,556,136
Deferred
Federal	(3,508,348)	(5,954,666)	(18,718,113)
State	(3,284,689)	(2,390,569)	(1,951,238)
Deferred income tax expense (benefit)	(6,793,037)	(8,345,235)	(20,669,351)
Total provision for income taxes	$ 8,166,632	$ 22,359,640	$ 3,886,785