Income Taxes - Income Tax Expense (Benefit) Attributable to Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current tax expense (benefit)
Federal	$ 19,537	$ 1,234	$ 0
State	5,494	605	(30)
Deferred tax expense (benefit)
Federal	16,098	7,463	0
State	3,957	(2,729)	0
Income tax expense (benefit)	$ 45,086	$ 6,573	$ (30)