Income Taxes, (Benefit)/Provision for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Federal [Abstract]
Current									$ 5,944	$ 5,516	$ 1,563
Deferred									(684)	0	(1,036)
Total federal tax provision									5,260	5,516	527
State [Abstract]
Current									1,549	1,308	303
Deferred									(191)	20	(33)
Total state tax provision									1,358	1,328	270
Total income tax provision	$ 1,578	$ 1,661	$ 1,671	$ 1,708	$ 1,879	$ 1,556	$ 1,704	$ 1,705	$ 6,618	$ 6,844	$ 797