Income Taxes - Components of Income Tax Provision (Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Current:
Federal	$ 0	$ 0	$ (1,167)	$ 0
State	(339)	115	(339)	684
Current income tax provision	(339)	115	(1,506)	684
Deferred:
Federal	0	3,135	(71,792)	11,588
State	0	279	(6,042)	177
Deferred income tax provision	0	3,414	(77,834)	11,765
Income tax expense (benefit)	$ (339)	$ 3,529	$ (79,340)	$ 12,449

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

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