Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
State	$ 0	$ 5	$ 0
Current	0	5	0
Deferred:
Federal	2,303	15,687	1,537
State	(160)	2,470	153
Deferred	2,143	18,157	1,690
Income tax expense	$ 2,143	$ 18,162	$ 1,690