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, 2023	$ 4,711	$ 43,646	$ 133,993	$ (40,940)	$ (9,274)	$ 132,136
Balance, shares at Dec. 31, 2023	4,371,231
Net income			10,612			10,612
Other comprehensive gain				10,055		10,055
Cash dividends declared			(4,217)			(4,217)
Acquisition of treasury stock					$ (596)	(596)
Acquisition of treasury stock, shares					(21,597)
Treasury shares issued under dividend reinvestment plan		(3)			$ 1,451	1,448
Treasury shares issued under dividend reinvestment plan, shares					53,155
Stock Compensation Plans:
Treasury shares issued		(411)			$ 436	25
Treasury shares issued, shares					15,964
Compensation expense		465				465
Balance at Sep. 30, 2024	$ 4,711	43,697	140,388	(30,885)	$ (7,983)	149,928
Balance, shares at Sep. 30, 2024	4,418,753
Balance at Jun. 30, 2024	$ 4,711	43,547	137,581	(40,881)	(8,149)	136,809
Balance, shares at Jun. 30, 2024	4,412,374
Net income			4,218			4,218
Other comprehensive gain				9,996		9,996
Cash dividends declared			(1,411)			(1,411)
Acquisition of treasury stock					$ (155)	(155)
Acquisition of treasury stock, shares					(5,395)
Treasury shares issued under dividend reinvestment plan		30			$ 262	292
Treasury shares issued under dividend reinvestment plan, shares					9,612
Stock Compensation Plans:
Treasury shares issued		(49)			$ 59	10
Treasury shares issued, shares					2,162
Compensation expense		169				169
Balance at Sep. 30, 2024	$ 4,711	43,697	140,388	(30,885)	$ (7,983)	149,928
Balance, shares at Sep. 30, 2024	4,418,753
Balance at Dec. 31, 2024	$ 4,711	43,791	139,463	(35,508)	(7,741)	$ 144,716
Balance, shares at Dec. 31, 2024	4,427,362					4,427,362
Net income			15,183			$ 15,183
Other comprehensive gain				9,702		9,702
Cash dividends declared			(4,367)			(4,367)
Acquisition of treasury stock		541			$ (1,279)	(738)
Acquisition of treasury stock, shares					(37,342)
Treasury shares issued under dividend reinvestment plan		286			$ 693	979
Treasury shares issued under dividend reinvestment plan, shares					25,114
Stock Compensation Plans:
Treasury shares issued		(1,501)			$ 1,736	235
Treasury shares issued, shares					62,955
Compensation expense		633				633
Balance at Sep. 30, 2025	$ 4,711	43,750	150,279	(25,806)	$ (6,591)	$ 166,343
Balance, shares at Sep. 30, 2025	4,478,089					4,478,089
Balance at Jun. 30, 2025	$ 4,711	43,763	146,403	(30,784)	(6,729)	$ 157,364
Balance, shares at Jun. 30, 2025	4,468,004
Net income			5,354			5,354
Other comprehensive gain				4,978		4,978
Cash dividends declared			(1,478)			(1,478)
Acquisition of treasury stock		541			$ (841)	(300)
Acquisition of treasury stock, shares					(25,075)
Treasury shares issued under dividend reinvestment plan		104			$ 161	265
Treasury shares issued under dividend reinvestment plan, shares					5,723
Stock Compensation Plans:
Treasury shares issued		(816)			$ 818	2
Treasury shares issued, shares					29,437
Compensation expense		158				158
Balance at Sep. 30, 2025	$ 4,711	$ 43,750	$ 150,279	$ (25,806)	$ (6,591)	$ 166,343
Balance, shares at Sep. 30, 2025	4,478,089					4,478,089