CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid In Capital [Member]	Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Total
Balance at Dec. 31, 2020	$ 113,384	$ 3,736		$ 208,371	$ 18,405		$ 343,896
Balance (in shares) at Dec. 31, 2020	15,388,423
Increase (Decrease) in Shareholders' Equity
Net income				33,391			33,391
Other comprehensive loss, net of tax					(3,421)		(3,421)
Exercise of stock options	$ 801	(707)					94
Exercise of stock options (in shares)	7,480
Stock based compensation expense		681					681
Stock based compensation expense (in shares)	(1,263)
Stock repurchase	$ (89)			(203)			(292)
Stock repurchase (in shares)	(12,122)
Cash dividends				(9,842)			(9,842)
Balance at Sep. 30, 2021	$ 114,096	3,710		231,717	14,984		364,507
Balance (in shares) at Sep. 30, 2021	15,382,518
Balance at Jun. 30, 2021	$ 113,453	4,190		224,689	15,397		357,729
Balance (in shares) at Jun. 30, 2021	15,410,763
Increase (Decrease) in Shareholders' Equity
Net income				10,605			10,605
Other comprehensive loss, net of tax					(413)		(413)
Stock options exercised; net of shares surrendered for cashless exercises	$ 732	(692)					40
Stock options exercised; net of shares surrendered for cashless exercises (in shares)	3,320
Restricted stock granted		212					212
Restricted stock granted (in shares)	(19,443)
Stock based compensation expense (in shares)	(12,122)
Stock based compensation - stock options	$ (89)			(203)			(292)
Cash dividends				(3,374)			(3,374)
Balance at Sep. 30, 2021	$ 114,096	3,710		231,717	14,984		364,507
Balance (in shares) at Sep. 30, 2021	15,382,518
Balance at Dec. 31, 2021	$ 113,007	3,910	$ (7,315)	234,410	11,167	$ (7,315)	362,494
Balance (in shares) at Dec. 31, 2021	15,270,010
Increase (Decrease) in Shareholders' Equity
Net income				26,546			26,546
Other comprehensive loss, net of tax					(72,172)		(72,172)
Stock options exercised; net of shares surrendered for cashless exercises	$ 512	(398)					114
Stock options exercised; net of shares surrendered for cashless exercises (in shares)	10,600
Restricted stock surrendered due to employee tax liability	$ (83)			(170)			(253)
Restricted stock surrendered due to employee tax liability (in shares)	(11,161)
Restricted stock forfeited / cancelled (in shares)	(1,212)
Stock based compensation - stock options		66					66
Stock based compensation - restricted stock		892					892
Stock repurchase	$ (1,325)			(3,526)			(4,851)
Stock repurchase (in shares)	(182,562)
Cash dividends				(10,449)			(10,449)
Balance at Sep. 30, 2022	$ 112,111	4,470		239,496	(61,005)		295,072
Balance (in shares) at Sep. 30, 2022	15,085,675
Balance at Jun. 30, 2022	$ 111,727	4,585		233,179	(50,444)		299,047
Balance (in shares) at Jun. 30, 2022	15,090,792
Increase (Decrease) in Shareholders' Equity
Net income				9,935			9,935
Other comprehensive loss, net of tax					(10,561)		(10,561)
Stock options exercised; net of shares surrendered for cashless exercises	$ 458	(397)					61
Stock options exercised; net of shares surrendered for cashless exercises (in shares)	5,400
Restricted stock surrendered due to employee tax liability	$ (74)			(147)			(221)
Restricted stock surrendered due to employee tax liability (in shares)	(9,965)
Restricted stock forfeited / cancelled (in shares)	(552)
Stock based compensation - stock options		18					18
Stock based compensation - restricted stock		264					264
Cash dividends				(3,471)			(3,471)
Balance at Sep. 30, 2022	$ 112,111	$ 4,470		$ 239,496	$ (61,005)		$ 295,072
Balance (in shares) at Sep. 30, 2022	15,085,675