Condensed Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock
Beginning balance, shares at Dec. 31, 2023		29,511,721
Beginning balance at Dec. 31, 2023	$ 839,208	$ 157,784	$ 301,066	$ 474,691	$ (50,646)	$ (43,687)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	20,305			20,305
Other comprehensive (loss) income	(4,094)				(4,094)
Other comprehensive income, net of income tax	(4,094)
Cash dividends declared	(6,189)			(6,189)
Stock-based compensation	953		970	(17)
Stock issued under dividend reinvestment and employee stock purchase plans, shares		31,906
Stock issued under dividend reinvestment and employee stock purchase plans	648		(5)			653
Vesting of restricted stock unit awards, shares		103,169
Vesting of restricted stock units, net of shares withheld to cover taxes	(834)		(3,101)			2,267
Shares under option, exercised		7,788
Exercise of stock options	150		(16)			166
Purchases of treasury stock, shares		(316,665)
Purchases of treasury stock	(6,478)					(6,478)
Ending balance, shares at Mar. 31, 2024		29,337,919
Ending balance at Mar. 31, 2024	843,669	$ 157,784	298,914	488,790	(54,740)	(47,079)
Beginning balance, shares at Dec. 31, 2024		29,045,877
Beginning balance at Dec. 31, 2024	887,301	$ 157,784	302,829	525,780	(43,992)	(55,100)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	22,395			22,395
Other comprehensive (loss) income					6,070
Other comprehensive income, net of income tax	6,070
Cash dividends declared	(6,088)			(6,088)
Stock-based compensation	1,059		1,370	(311)
Stock issued under dividend reinvestment and employee stock purchase plans, shares		19,136
Stock issued under dividend reinvestment and employee stock purchase plans	574		50			524
Vesting of restricted stock unit awards, shares		107,895
Vesting of restricted stock units, net of shares withheld to cover taxes	$ (1,575)		(3,641)			2,066
Shares under option, exercised	11,500	11,500
Exercise of stock options	$ 280		26			254
Purchases of treasury stock, shares		(221,760)
Purchases of treasury stock	(6,544)					(6,544)
Ending balance, shares at Mar. 31, 2025		28,962,648
Ending balance at Mar. 31, 2025	$ 903,472	$ 157,784	$ 300,634	$ 541,776	$ (37,922)	$ (58,800)