Parent-only Financial Statements, Condensed Statements of Income (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
Expense [Abstract]
Interest expense									$ 6,153	$ 9,516	$ 7,169
Income (loss) before income taxes	$ 6,317	$ 6,101	$ 6,707	$ 6,759	$ 6,381	$ (4,963)	$ 6,830	$ 6,821	25,884	15,069	25,797
Income tax expense	1,578	1,661	1,671	1,708	1,879	1,556	1,704	1,705	6,618	6,844	797
Net income (loss)	$ 4,739	$ 4,440	$ 5,036	$ 5,051	$ 4,502	$ (6,519)	$ 5,126	$ 5,116	19,266	8,225	25,000
Parent Company [Member]
Income [Abstract]
Dividends received from subsidiary bank									12,846	6,035	11,930
Other									0	155	0
Total Income									12,846	6,190	11,930
Expense [Abstract]
Interest expense									0	0	175
Other									0	4	315
Total expense									0	4	490
Income and equity in undistributed net income of bank subsidiary									12,846	6,185	11,440
Equity in undistributed net income of bank subsidiary									6,420	2,040	13,521
Income (loss) before income taxes									19,266	8,225	24,961
Income tax expense									0	0	(39)
Net income (loss)									$ 19,266	$ 8,225	$ 25,000