CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member] Cumulative Effect, Period of Adoption, Adjusted Balance [Member]	Common Stock [Member]	Additional Paid-in Capital [Member] Cumulative Effect, Period of Adoption, Adjusted Balance [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjusted Balance [Member]	Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member] Cumulative Effect, Period of Adoption, Adjusted Balance [Member]	AOCI Attributable to Parent [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Total
BALANCE at Dec. 31, 2021		$ 16,803		$ 292,937			$ 118,247		$ 1,443			$ 429,430
BALANCE (in shares) at Dec. 31, 2021		16,802,990
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income							30,018					30,018
Other comprehensive income (loss)									(42,250)			(42,250)
Stock options exercised		$ 32		238								$ 270
Stock options exercised (in shares)		32,003										32,003
Restricted stock		$ 61		(61)
Restricted stock (in shares)		60,515
Restricted stock withheld for taxes		$ (8)		(198)								$ (206)
Restricted stock withheld for taxes (in shares)		(7,953)
Stock compensation expense				991								991
Common stock dividends							(3,542)					(3,542)
BALANCE at Sep. 30, 2022		$ 16,888		293,907			144,723		(40,807)			414,711
BALANCE (in shares) at Sep. 30, 2022		16,887,555
BALANCE at Jun. 30, 2022		$ 16,898		293,815			134,362		(24,648)			420,427
BALANCE (in shares) at Jun. 30, 2022		16,898,405
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income							11,543					11,543
Other comprehensive income (loss)									(16,159)			(16,159)
Stock options exercised		$ 1		6								$ 7
Stock options exercised (in shares)		603										603
Restricted stock withheld for taxes		$ (8)		(198)								$ (206)
Restricted stock withheld for taxes (in shares)		(7,953)
Restricted stock, forfeitures		$ (3)		3
Restricted stock, forfeitures (in shares)		(3,500)
Stock compensation expense				281								281
Common stock dividends							(1,182)					(1,182)
BALANCE at Sep. 30, 2022		$ 16,888		293,907			144,723		(40,807)			414,711
BALANCE (in shares) at Sep. 30, 2022		16,887,555
BALANCE (Accounting Standards Update 2016-13 [Member]) at Dec. 31, 2022						$ (6,606)					$ (6,606)
BALANCE at Dec. 31, 2022	$ 16,901	$ 16,901	$ 294,330	294,330	$ 149,939		156,545	$ (35,324)	(35,324)	$ 425,846		432,452
BALANCE (in shares) at Dec. 31, 2022	16,900,805	16,900,805
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income							22,403					22,403
Other comprehensive income (loss)									1,168			1,168
Stock options exercised		$ 16		149								$ 165
Stock options exercised (in shares)		15,705										15,705
Restricted stock		$ 80		(80)
Restricted stock (in shares)		79,670
Restricted stock withheld for taxes		$ (2)		(33)								$ (35)
Restricted stock withheld for taxes (in shares)		(1,637)
Stock compensation expense				1,176								1,176
Common stock dividends							(4,071)					(4,071)
BALANCE at Sep. 30, 2023		$ 16,995		295,542			168,271		(34,156)			446,652
BALANCE (in shares) at Sep. 30, 2023		16,994,543
BALANCE at Jun. 30, 2023		$ 17,004		295,296			167,564		(35,017)			444,847
BALANCE (in shares) at Jun. 30, 2023		17,004,092
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income							2,067					2,067
Other comprehensive income (loss)									861			$ 861
Stock options exercised (in shares)												0
Restricted stock withheld for taxes		$ (2)		(33)								$ (35)
Restricted stock withheld for taxes (in shares)		(1,637)
Restricted stock, forfeitures		$ (7)		7
Restricted stock, forfeitures (in shares)		(7,912)
Stock compensation expense				272								272
Common stock dividends							(1,360)					(1,360)
BALANCE at Sep. 30, 2023		$ 16,995		$ 295,542			$ 168,271		$ (34,156)			$ 446,652
BALANCE (in shares) at Sep. 30, 2023		16,994,543