Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Beginning Balance at Dec. 31, 2019	$ 25,901	$ 20,959	$ 62,975	$ (79)	$ 109,756
Beginning Balance (in shares) at Dec. 31, 2019	5,180,105
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	5,389	0	5,389
Other comprehensive income (loss), net of tax	0	0	0	4,148	4,148
Employee Stock Purchase Plan share issuance	$ 29	67	0	0	96
Employee Stock Purchase Plan share issuance (in shares)	5,819
Restricted stock vested	$ 42	(42)	0	0	0
Restricted stock vested (in shares)	8,519
Stock-based compensation expense	$ 0	261	0	0	261
Cash dividends	0	0	(2,505)	0	(2,505)
Ending Balance at Dec. 31, 2020	$ 25,972	21,245	65,859	4,069	$ 117,145
Ending Balance (in shares) at Dec. 31, 2020	5,194,443				5,224,019
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	8,440	0	$ 8,440
Other comprehensive income (loss), net of tax	0	0	0	(2,394)	(2,394)
Employee Stock Purchase Plan share issuance	$ 24	79	0	0	103
Employee Stock Purchase Plan share issuance (in shares)	4,908
Common stock purchased	$ (33)	(117)	0	0	(150)
Common stock purchased (in shares)	(6,600)
Restricted stock vested	$ 43	(43)	0	0	0
Restricted stock vested (in shares)	8,521
Stock-based compensation expense	$ 0	294	0	0	294
Cash dividends	0	0	(2,620)	0	(2,620)
Ending Balance at Dec. 31, 2021	$ 26,006	$ 21,458	$ 71,679	$ 1,675	$ 120,818
Ending Balance (in shares) at Dec. 31, 2021	5,201,272				5,239,707