Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Taxes
Federal income tax, current	$ 3,166	$ 3,508	$ 6,405
State income tax, current	904	1,090	2,001
Income tax, current	4,070	4,598	8,406
Federal income tax, deferred	2,111	1,660	(626)
State income tax, deferred	171	149	1
Income tax, deferred	2,282	1,809	(625)
Provision for Income Taxes	$ 6,352	$ 6,407	$ 7,781