Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Restricted Stock [Member] Common Stock [Member]	Restricted Stock [Member] Additional Paid-in Capital [Member]	Restricted Stock [Member]	Stock Appreciation Rights (SARs) [Member] Additional Paid-in Capital [Member]	Stock Appreciation Rights (SARs) [Member]	Performance Shares [Member] Common Stock [Member]	Performance Shares [Member] Additional Paid-in Capital [Member]	Performance Shares [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2020											15,391,660
Balance at Dec. 31, 2020											$ 15	$ 61,844	$ 141,972	$ (12,201)	$ 191,630
Common shares issued upon exercise of options and SARs, net (in shares)											308,550
Common shares issued upon exercise of options and SARs, net											$ 1	3,041	(339)		2,703
Performance based shares issued (in shares)											42,823
Performance based shares issued															0
Restricted shares issued (in shares)											338,852
Restricted shares issued															0
Restricted shares issued in conjunction with acquisition of business (in shares)	45,620
Restricted shares issued in conjunction with acquisition of business		$ 869	$ 869
Share-based compensation expense												4,010			4,010
Tax withheld on exercise of share-based compensation				$ (179)	$ (179)		$ (405)	$ (405)
Tax benefit from vesting of acquisition-related restricted stock												171			171
Cash dividends declared													(7,237)		(7,237)
Net earnings (loss)													29,440		29,440
Cash flow hedges, net of taxes														(23)	(23)
Pensions, net of taxes														6,321	6,321
Change in currency translation adjustment, net of taxes														(310)	(310)
Common shares issued upon exercise of options and SARs, net											$ 1	3,041	(339)		2,703
Restricted shares issued, net of forfeitures															$ 0
Balance (in shares) at Dec. 31, 2021											16,127,505				16,127,505
Balance at Dec. 31, 2021									$ (76)	$ (76)	$ 16	69,351	163,836	(6,213)	$ 226,990
Common shares issued upon exercise of options and SARs, net												886	(158)		728
Performance based shares issued (in shares)	48,044					11,707
Performance based shares issued								$ 0
Restricted shares issued			0
Restricted shares issued in conjunction with acquisition of business (in shares)	116,550
Restricted shares issued in conjunction with acquisition of business		$ 2,000	2,000
Share-based compensation expense												4,289			4,289
Tax withheld on exercise of share-based compensation												(314)			(314)
Cash dividends declared													(8,653)		(8,653)
Net earnings (loss)													(31,970)		(31,970)
Cash flow hedges, net of taxes														(47)	(47)
Pensions, net of taxes														3,464	3,464
Change in currency translation adjustment, net of taxes														(215)	$ (215)
Common shares issued upon exercise of options and SARs, net (in shares)											80,434				85,840
Common shares issued upon exercise of options and SARs, net												886	(158)		$ 728
Restricted shares issued, net of forfeitures			$ 0
Tax withheld on vesting of restricted shares and performance based shares (in shares)											(7,557)
Written put options												(3,597)			$ (3,597)
Balance (in shares) at Dec. 31, 2022											16,376,683				16,376,683
Balance at Dec. 31, 2022											$ 16	$ 72,615	$ 122,979	$ (3,011)	$ 192,599