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		3,923		0		3,923
Other comprehensive income (loss), net of tax	0		0		0		(17,525)		(17,525)
Employee Stock Purchase Plan share issuance	$ 14		52		0		0		66
Employee Stock Purchase Plan share issuance (in shares)	2,815
Common stock purchased	$ (995)		(3,975)		0		0		(4,970)
Common stock purchased (in shares)	(199,095)
Restricted stock vested	$ 66		(66)		0		0		0
Restricted stock vested (in shares)	13,152
Stock-based compensation expense	$ 0		174		0		0		174
Cash dividends	0		0		(1,336)		0		(1,336)
Ending Balance at Jun. 30, 2022	$ 25,091		17,643		74,266		(15,850)		101,150
Ending Balance (in shares) at Jun. 30, 2022	5,018,144
Beginning Balance at Mar. 31, 2022	$ 25,439		19,082		73,036		(9,458)		108,099
Beginning Balance (in shares) at Mar. 31, 2022	5,087,910
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0		0		1,892		0		1,892
Other comprehensive income (loss), net of tax	0		0		0		(6,392)		(6,392)
Employee Stock Purchase Plan share issuance	$ 7		25		0		0		32
Employee Stock Purchase Plan share issuance (in shares)	1,334
Common stock purchased	$ (380)		(1,542)		0		0		(1,922)
Common stock purchased (in shares)	(76,100)
Restricted stock vested	$ 25		(25)		0		0		0
Restricted stock vested (in shares)	5,000
Stock-based compensation expense	$ 0		103		0		0		103
Cash dividends	0		0		(662)		0		(662)
Ending Balance at Jun. 30, 2022	$ 25,091		17,643		74,266		(15,850)		101,150
Ending Balance (in shares) at Jun. 30, 2022	5,018,144
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		4,885		0		$ 4,885
Other comprehensive income (loss), net of tax	0		0		0		1,010		1,010
Employee Stock Purchase Plan share issuance	$ 15		46		0		0		61
Employee Stock Purchase Plan share issuance (in shares)	3,179
Restricted stock vested	$ 110		(110)		0		0		0
Restricted stock vested (in shares)	22,003
Stock-based compensation expense	$ 0		248		0		0		248
Cash dividends	0		0		(1,405)		0		(1,405)
Ending Balance at Jun. 30, 2023	$ 24,886		16,777		80,636		(19,757)		$ 102,542
Ending Balance (in shares) at Jun. 30, 2023	4,977,276								5,037,275
Beginning Balance at Mar. 31, 2023	$ 24,767		16,727		79,539		(18,435)		$ 102,598
Beginning Balance (in shares) at Mar. 31, 2023	4,953,342
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible Enumeration]						ASC 326 [Member]
Net income	$ 0		0		1,802		0		1,802
Other comprehensive income (loss), net of tax	0		0		0		(1,322)		(1,322)
Employee Stock Purchase Plan share issuance	$ 9		19		0		0		28
Employee Stock Purchase Plan share issuance (in shares)	1,931
Restricted stock vested	$ 110		(110)		0		0		0
Restricted stock vested (in shares)	22,003
Stock-based compensation expense	$ 0		141		0		0		141
Cash dividends	0		0		(705)		0		(705)
Ending Balance at Jun. 30, 2023	$ 24,886		$ 16,777		$ 80,636		$ (19,757)		$ 102,542
Ending Balance (in shares) at Jun. 30, 2023	4,977,276								5,037,275