Consolidated Statement of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Loss [Member]	Retained Earnings [Member]	Treasury Stock [Member]
Balance at Dec. 31, 2022	$ 887,721	$ 306	$ 691,453	$ (173,460)	$ 502,909	$ (133,487)
Balance (in shares) at Dec. 31, 2022		35,591,277
Net Income (Loss)	18,149				18,149
Other comprehensive income (loss)	19,751			19,751
Deferred compensation plan			75			(75)
Deferred compensation plan (in shares)		9,196
Shares issued under stock option plan	125		112			13
Shares issued under stock option plan (in shares)		753
Vesting of incentive plans			(1,078)			1,078
Vesting of incentive plans (in shares)		62,061
Restricted share issuance	296		(755)			1,051
Restricted share issuance (in shares)		60,526
Restricted share forfeitures	(544)					(544)
Restricted share forfeitures (in shares)		(22,178)
Shares repurchased	(11)					(11)
Shares repurchased (In Shares)		(391)
Common stock dividend payment	(11,037)				(11,037)
Balance at Mar. 31, 2023	914,450	$ 306	689,807	(153,709)	510,021	(131,975)
Balance (in shares) at Mar. 31, 2023		35,701,244
Balance at Dec. 31, 2022	887,721	$ 306	691,453	(173,460)	502,909	(133,487)
Balance (in shares) at Dec. 31, 2022		35,591,277
Net Income (Loss)	66,540
Other comprehensive income (loss)	4,739
Balance at Jun. 30, 2023	936,971	$ 306	689,579	(168,721)	547,336	(131,529)
Balance (in shares) at Jun. 30, 2023		35,726,703
Balance at Mar. 31, 2023	914,450	$ 306	689,807	(153,709)	510,021	(131,975)
Balance (in shares) at Mar. 31, 2023		35,701,244
Net Income (Loss)	48,391				48,391
Other comprehensive income (loss)	(15,012)			(15,012)
Deferred compensation plan			(13)			13
Shares issued under stock option plan	303		282			21
Shares issued under stock option plan (in shares)		1,232
Vesting of incentive plans			(72)			72
Vesting of incentive plans (in shares)		4,173
Restricted share issuance			(461)			461
Restricted share issuance (in shares)		26,545
Restricted share forfeitures	(85)		36			(121)
Restricted share forfeitures (in shares)		(6,491)
Common stock dividend payment	(11,076)				(11,076)
Balance at Jun. 30, 2023	936,971	$ 306	689,579	(168,721)	547,336	(131,529)
Balance (in shares) at Jun. 30, 2023		35,726,703
Balance at Dec. 31, 2023	975,627	$ 306	690,585	(153,719)	569,937	(131,482)
Balance (in shares) at Dec. 31, 2023		35,729,593
Net Income (Loss)	17,789				17,789
Other comprehensive income (loss)	(8,362)			(8,362)
Deferred compensation plan						13
Stock based compensation expenses	694		694
Vesting of incentive plans	(7)		(668)			661
Vesting of incentive plans (in shares)		37,978
Restricted share issuance			(1,130)			1,130
Restricted share issuance (in shares)		64,988
Restricted share forfeitures	(322)					(322)
Restricted share forfeitures (in shares)		(15,799)
Common stock dividend payment	(11,078)				(11,078)
Balance at Mar. 31, 2024	974,341	$ 306	689,468	(162,081)	576,648	(130,000)
Balance (in shares) at Mar. 31, 2024		35,816,760
Balance at Dec. 31, 2023	975,627	$ 306	690,585	(153,719)	569,937	(131,482)
Balance (in shares) at Dec. 31, 2023		35,729,593
Net Income (Loss)	33,965
Other comprehensive income (loss)	(9,319)
Balance at Jun. 30, 2024	979,129	$ 306	689,743	(163,038)	581,715	(129,597)
Balance (in shares) at Jun. 30, 2024		35,840,121
Balance at Mar. 31, 2024	974,341	$ 306	689,468	(162,081)	576,648	(130,000)
Balance (in shares) at Mar. 31, 2024		35,816,760
Net Income (Loss)	16,176				16,176
Other comprehensive income (loss)	(957)			(957)
Deferred compensation plan			(13)			13
Stock based compensation expenses	731		731
Vesting of incentive plans	0		(43)			43
Vesting of incentive plans (in shares)		2,456
Restricted share issuance	0		(470)			470
Restricted share issuance (in shares)		27,025
Restricted share forfeitures	(53)		70			(123)
Restricted share forfeitures (in shares)		(6,120)
Common stock dividend payment	(11,109)				(11,109)
Balance at Jun. 30, 2024	$ 979,129	$ 306	$ 689,743	$ (163,038)	$ 581,715	$ (129,597)
Balance (in shares) at Jun. 30, 2024		35,840,121