Consolidated Statements Of Changes In Shareholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income/(Loss) [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2019	$ 4,710	$ 42,268	$ 94,946	$ (5,986)	$ (8,410)	$ 127,528
Balance, shares at Dec. 31, 2019						4,352,753
Net income			12,800			$ 12,800
Other comprehensive income				9,176		9,176
Cash dividends declared			(5,226)			(5,226)
Acquisition of treasury stock					(1,171)	$ (1,171)
Acquisition of treasury stock, shares						(36,401)
Treasury shares issued under dividend reinvestment plan		107			1,729	$ 1,836
Treasury shares issued under dividend reinvestment plan, shares						71,227
Stock Compensation Plans:
Treasury shares issued		1			18	$ 19
Treasury shares issued, shares						753
Common shares issued	1	16				$ 17
Common shares issued, shares						1,023
Compensation expense		197				$ 197
Balance at Dec. 31, 2020	4,711	42,589	102,520	3,190	(7,834)	$ 145,176
Balance, shares at Dec. 31, 2020						4,389,355
Net income			19,616			$ 19,616
Other comprehensive income				(3,737)		(3,737)
Cash dividends declared			(5,524)			(5,524)
Acquisition of treasury stock					(1,193)	$ (1,193)
Acquisition of treasury stock, shares						(38,453)
Treasury shares issued under dividend reinvestment plan		466			1,922	$ 2,388
Treasury shares issued under dividend reinvestment plan, shares						77,851
Stock Compensation Plans:
Treasury shares issued		(176)			309	$ 133
Treasury shares issued, shares						12,590
Common shares issued		2				$ 2
Common shares issued, shares						100
Compensation expense		204				$ 204
Balance at Dec. 31, 2021	$ 4,711	$ 43,085	$ 116,612	$ (547)	$ (6,796)	$ 157,065
Balance, shares at Dec. 31, 2021						4,441,443