Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Common Stock [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Additional Paid-in Capital [Member]	Additional Paid-in Capital [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Retained Earnings [Member]	Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Other Comprehensive Income (Loss) [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Total	Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning Balance at Dec. 31, 2021	$ 26,006		$ 21,458		$ 71,679		$ 1,675		$ 120,818
Beginning Balance (in shares) at Dec. 31, 2021	5,201,272
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0		0		2,031		0		2,031
Other comprehensive income (loss), net of tax	0		0		0		(11,133)		(11,133)
Employee Stock Purchase Plan share issuance	$ 7		27		0		0		34
Employee Stock Purchase Plan share issuance (in shares)	1,481
Common stock purchased	$ (615)		(2,433)		0		0		(3,048)
Common stock purchased (in shares)	(122,995)
Restricted stock vested	$ 41		(41)		0		0		0
Restricted stock vested (in shares)	8,152
Stock-based compensation expense	$ 0		71		0		0		71
Cash dividends	0		0		(674)		0		(674)
Ending Balance at Mar. 31, 2022	$ 25,439		19,082		73,036		(9,458)		108,099
Ending Balance (in shares) at Mar. 31, 2022	5,087,910
Beginning Balance at Dec. 31, 2022	$ 24,761		16,593		78,147		(20,767)		$ 98,734
Beginning Balance (ASC 326 [Member]) at Dec. 31, 2022		$ 0		$ 0		$ (991)		$ 0		$ (991)
Beginning Balance (in shares) at Dec. 31, 2022	4,952,094								4,999,083
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0		0		3,083		0		$ 3,083
Other comprehensive income (loss), net of tax	0		0		0		2,332		2,332
Employee Stock Purchase Plan share issuance	$ 6		27		0		0		33
Employee Stock Purchase Plan share issuance (in shares)	1,248
Stock-based compensation expense	$ 0		107		0		0		107
Cash dividends	0		0		(700)		0		(700)
Ending Balance at Mar. 31, 2023	$ 24,767		$ 16,727		$ 79,539		$ (18,435)		$ 102,598
Ending Balance (in shares) at Mar. 31, 2023	4,953,342								5,000,331