Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Additional Paid-in Capital [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] AOCI Attributable to Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Performance Shares [Member] Common Stock [Member]	Performance Shares [Member] Additional Paid-in Capital [Member]	Performance Shares [Member] Retained Earnings [Member]	Performance Shares [Member] AOCI Attributable to Parent [Member]	Performance Shares [Member]	Restricted Stock [Member] Common Stock [Member]	Restricted Stock [Member] Additional Paid-in Capital [Member]	Restricted Stock [Member] Retained Earnings [Member]	Restricted Stock [Member] AOCI Attributable to Parent [Member]	Restricted Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2021																16,127,505
Balance at Dec. 31, 2021	$ 0	$ 0	$ (76)	$ 0	$ (76)											$ 16	$ 69,351	$ 163,836	$ (6,213)	$ 226,990
Common shares issued upon exercise of options and SARs, net (in shares)																80,434
Common shares issued upon exercise of options and SARs, net																$ 0	886	(158)	0	728
Performance based shares issued (in shares)						11,707					48,044
Performance based shares issued						$ 0	$ 0	$ 0	$ 0	$ 0
Restricted shares issued, net of forfeitures (in shares)						11,707					48,044
Restricted shares issued, net of forfeitures											$ 0	$ 0	$ 0	$ 0	$ 0
Restricted shares issued in conjunction with acquisition of business (in shares)											116,550
Restricted shares issued in conjunction with acquisition of business											$ 0	2,000	0	0	2,000
Share-based compensation expense																$ 0	4,289	0	0	4,289
Tax withheld on vesting of restricted shares and performance based shares (in shares)																(7,557)
Tax withheld on vesting of restricted shares and performance based shares																$ 0	(314)	0	0	(314)
Written put options																0	(3,597)	0	0	(3,597)
Cash dividends declared																0	0	(8,653)	0	(8,653)
Net income (loss)																0	0	(31,970)	0	(31,970)
Cash flow hedges, net of taxes																0	0	0	(47)	(47)
Pensions, net of taxes																0	0	0	3,464	3,464
Change in currency translation adjustment, net of taxes																$ 0	0	0	(215)	$ (215)
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
Common shares issued upon exercise of options and SARs, net																0	274	(99)	0	175
Performance based shares issued (in shares)						2,981					155,213
Performance based shares issued						$ 0	$ 0	$ 0	$ 0	$ 0
Restricted shares issued, net of forfeitures (in shares)						2,981					155,213
Restricted shares issued, net of forfeitures											$ 0	$ 0	$ 0	$ 0	$ 0
Share-based compensation expense																0	3,787	0	0	3,787
Written put options																0	767	0	0	767
Cash dividends declared																0	0	(9,188)	0	(9,188)
Net income (loss)																0	0	8,772	0	8,772
Pensions, net of taxes																0	0	0	(9)	(9)
Change in currency translation adjustment, net of taxes																$ 0	0	0	735	$ 735
Common shares issued upon exercise of options and SARs, net (in shares)																29,835				28,728
Balance (in shares) at Dec. 31, 2023																16,564,712				16,564,712
Balance at Dec. 31, 2023																$ 16	$ 77,443	$ 122,464	$ (2,285)	$ 197,638