Income Taxes - Tax Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Computed expected tax (benefit) expense	$ (3,665)	$ 1,587	$ (584)
State income tax, net of federal benefit	(593)	650	636
Valuation allowance	1,043	(91)	(392)
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	5,079	(819)	1,067
All other items	(598)	(82)	(205)
Federal Income Tax Expense (Benefit), Continuing Operations	1,266	1,245	522
Income tax expense (benefit) attributable to operations	$ 1,266	$ 1,245	$ 522