CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning Balance (in shares) at Dec. 31, 2021		14,739,956
Beginning Balance at Dec. 31, 2021	$ 541,294	$ 123,111	$ 424,412	$ (6,229)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	31,821		31,821
Other comprehensive loss, net of tax	(108,737)			(108,737)
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture	1,517	$ 1,517
Exercise of stock options and issuance of vested share awards, net of repurchase for tax withholdings and tax benefit (shares)		46,641
Exercise of stock options and issuance of vested share awards, net of repurchase for tax withholdings	(390)	$ (390)
Common stock repurchased (in shares)		(161,556)
Common stock repurchased	(7,413)	$ (7,413)
Cash dividends declared	(11,711)		(11,711)
Ending Balance (in shares) at Jun. 30, 2022		14,625,041
Ending Balance at Jun. 30, 2022	446,381	$ 116,825	444,522	(114,966)
Beginning Balance (in shares) at Mar. 31, 2022		14,746,410
Beginning Balance at Mar. 31, 2022	482,446	$ 123,012	435,347	(75,913)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	15,026		15,026
Other comprehensive loss, net of tax	(39,053)			(39,053)
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture	893	$ 893
Exercise of stock options and issuance of vested share awards, net of repurchase for tax withholdings and tax benefit (shares)		27,101
Exercise of stock options and issuance of vested share awards, net of repurchase for tax withholdings	(276)	$ (276)
Common stock repurchased (in shares)		(148,470)
Common stock repurchased	(6,804)	$ (6,804)
Cash dividends declared	(5,851)		(5,851)
Ending Balance (in shares) at Jun. 30, 2022		14,625,041
Ending Balance at Jun. 30, 2022	446,381	$ 116,825	444,522	(114,966)
Beginning Balance (in shares) at Dec. 31, 2022		14,567,325
Beginning Balance at Dec. 31, 2022	451,278	$ 115,069	462,164	(125,955)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	25,116		25,116
Other comprehensive loss, net of tax	4,021			4,021
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture	1,407	$ 1,407
Exercise of stock options and issuance of vested share awards, net of repurchase for tax withholdings and tax benefit (shares)		53,145
Exercise of stock options and issuance of vested share awards, net of repurchase for tax withholdings	(174)	$ (174)
Common stock repurchased (in shares)		(65,692)
Common stock repurchased	(2,000)	$ (2,000)
Cash dividends declared	(12,272)		(12,272)
Ending Balance (in shares) at Jun. 30, 2023		14,554,778
Ending Balance at Jun. 30, 2023	467,376	$ 114,302	475,008	(121,934)
Beginning Balance (in shares) at Mar. 31, 2023		14,587,906
Beginning Balance at Mar. 31, 2023	464,874	$ 115,590	468,755	(119,471)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	12,389		12,389
Other comprehensive loss, net of tax	(2,463)			(2,463)
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture	948	$ 948
Exercise of stock options and issuance of vested share awards, net of repurchase for tax withholdings and tax benefit (shares)		32,564
Exercise of stock options and issuance of vested share awards, net of repurchase for tax withholdings	(236)	$ (236)
Common stock repurchased (in shares)		(65,692)
Common stock repurchased	(2,000)	$ (2,000)
Cash dividends declared	(6,136)		(6,136)
Ending Balance (in shares) at Jun. 30, 2023		14,554,778
Ending Balance at Jun. 30, 2023	$ 467,376	$ 114,302	$ 475,008	$ (121,934)