Income Taxes - Components of Income Tax Benefit (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Taxes
Federal	$ 0	$ 0	$ 0
State	0	0	0
Total current income tax benefit	0	0	0
Federal	10,149	0	11,261
State	1,862	0	1,668
Total deferred income tax benefit	12,011	0	12,929
Income tax benefit	$ 12,011	$ 0	$ 12,929

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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