Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balances (in shares) at Dec. 31, 2020	20,245,649
Balance at Dec. 31, 2020	$ 25,307	$ 81,587	$ 35,080	$ 13,886	$ 155,860
Net income	0	0	21,371	0	21,371
Cash dividends	0	0	(5,427)	0	(5,427)
Restricted stock awards	$ 0	376	0	0	376
Repurchase of common shares (in shares)	(330,759)
Repurchase of common shares	$ (413)	(1,984)	0	0	(2,397)
Common shares issued under long-term incentive compensation plan (in shares)	62,796
Common shares issued under long-term incentive compensation plan	$ 78	72	0	0	$ 150
Common shares issued through dividend reinvestment/optional cash purchase plan (in shares)	12,189				12,189
Common shares issued through dividend reinvestment/optional cash purchase plan	$ 15	77	(34)	0	$ 58
Other comprehensive income (loss), net of tax	$ 0	0	0	(7,534)	(7,534)
Balances (in shares) at Dec. 31, 2021	19,989,875
Balance at Dec. 31, 2021	$ 24,987	80,128	50,990	6,352	162,457
Net income	0	0	20,445	0	20,445
Cash dividends	0	0	(6,520)	0	(6,520)
Restricted stock awards	$ 0	448	0	0	$ 448
Repurchase of common shares (in shares)	(384,830)				(384,830)
Repurchase of common shares	$ (481)	(3,155)	0	0	$ (3,636)
Common shares issued under long-term incentive compensation plan (in shares)	71,510
Common shares issued under long-term incentive compensation plan	$ 89	46	0	0	$ 135
Common shares issued through dividend reinvestment/optional cash purchase plan (in shares)	5,089				5,089
Common shares issued through dividend reinvestment/optional cash purchase plan	$ 7	35	(42)	0	$ 0
Other comprehensive income (loss), net of tax	$ 0	0	0	(54,380)	(54,380)
Balances (in shares) at Dec. 31, 2022	19,681,644
Balance at Dec. 31, 2022	$ 24,602	$ 77,502	$ 64,873	$ (48,028)	$ 118,949