CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Adjustment	Adjusted Balance	Common Stock	Common Stock Adjusted Balance	Additional Paid-in Capital	Additional Paid-in Capital Adjusted Balance	Retained Earnings	Retained Earnings Adjustment	Retained Earnings Adjusted Balance	Treasury Stock	Treasury Stock Adjusted Balance	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) Adjusted Balance
Beginning balance at Dec. 31, 2019	$ 244,190	$ (856)	$ 243,334	$ 7,753	$ 7,753	$ 205,397	$ 205,397	$ 90,341	$ (856)	$ 89,485	$ (45,381)	$ (45,381)	$ (13,920)	$ (13,920)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	25,176							25,176
Cash dividends	(15,599)							(15,599)
Issuance of common shares pursuant to stock-based compensation plan, net	(996)					(2,546)					1,550
Exercise of SARs	(102)					(243)					141
Stock-based compensation expense	2,267					2,267
Purchase of common shares	(6,825)										(6,825)
Other comprehensive (loss) income	13,905												13,905
Ending balance at Dec. 31, 2020	261,160			7,753		204,875		99,062			(50,515)		(15)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	28,604							28,604
Cash dividends	(15,446)							(15,446)
Issuance of common shares pursuant to stock-based compensation plan, net	(690)					(2,939)					2,249
Exercise of SARs	(160)					(519)					359
Stock-based compensation expense	2,859					2,859
Purchase of common shares	(30,997)										(30,997)
Other comprehensive (loss) income	468												468
Ending balance at Dec. 31, 2021	245,798			7,753		204,276		112,220			(78,904)		453
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	34,904							34,904
Cash dividends	(15,442)							(15,442)
Issuance of common shares pursuant to stock-based compensation plan, net	(313)					(2,727)					2,414
Exercise of SARs	(281)					(859)					578
Stock-based compensation expense	6,732					6,732
Purchase of common shares	(5,299)										(5,299)
Other comprehensive (loss) income	(59,774)												(59,774)
Ending balance at Dec. 31, 2022	$ 206,325			$ 7,753		$ 207,422		$ 131,682			$ (81,211)		$ (59,321)