Income Taxes - Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Current income tax expense:
Federal	$ 1,202	$ 1,000
State	656	518
Current income tax expense (benefit)	1,858	1,518
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal	(129)	180
State	(62)	113
Deferred income tax expense (benefit)	(191)	293
Income tax expense (benefit)	$ 1,667	$ 1,811