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, 2020	$ 25,972	$ 21,245	$ 65,859	$ 4,069	$ 117,145
Beginning Balance (in shares) at Dec. 31, 2020	5,194,443
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	8,440	0	8,440
Other comprehensive 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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	9,108	0	$ 9,108
Other comprehensive loss, net of tax	0	0	0	(22,442)	(22,442)
Employee Stock Purchase Plan share issuance	$ 29	100	0	0	129
Employee Stock Purchase Plan share issuance (in shares)	5,765
Common stock purchased	$ (1,340)	(5,315)	0	0	(6,655)
Common stock purchased (in shares)	(268,095)
Restricted stock vested	$ 66	(66)	0	0	0
Restricted stock vested (in shares)	13,152
Stock-based compensation expense	$ 0	416	0	0	416
Cash dividends	0	0	(2,640)	0	(2,640)
Ending Balance at Dec. 31, 2022	$ 24,761	$ 16,593	$ 78,147	$ (20,767)	$ 98,734
Ending Balance (in shares) at Dec. 31, 2022	4,952,094				4,999,083