Income Taxes - Components of Income Tax Benefit (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current income tax expense:
U.S. - State	$ 1,215	$ 0	$ 0
Total current income tax expense	1,215	0	0
Deferred income tax benefit:
U.S. - State	(7,322)	0	0
Total deferred income tax benefit	(7,322)	0	0
Income tax benefit	$ (6,107)	$ 0	$ 0