Income Taxes - Current and Deferred Components of Income Tax (Benefit) Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Current income tax (benefit) expense
Federal	$ (591)	$ (1,100)
State	(464)	291
Total current income tax benefit	(1,055)	(809)
Deferred tax (benefit) expense
Federal	(20,989)	7,686
State	673	(85)
Valuation allowance	8,876	0
Total deferred income tax (benefit) expense	(11,440)	7,601
Total income tax (benefit) expense	$ (12,495)	$ 6,792