CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands		Common Stock [Member]	Treasury Stock [Member]	Additional Paid-In Capital [Member]	Common Shares Held In Treasury [Member]	Retained Earnings (Accumulated Deficit) [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Dec. 31, 2020		$ 27,006			$ (60,482)	$ 212,342	$ (89,635)	$ 296,634
Common Stock, Share, Beginning Balance (in shares) at Dec. 31, 2020			1,960
Treasury Stock, Shares, Beginning Balance at Dec. 31, 2020				234,409
Net income (loss)						130		130
Unrealized gain (loss) on derivatives, net							(129)	(129)
Currency translation adjustments							(10,778)	(10,778)
Issuance of Common Shares ( in shares)		224
Issuance of Common Shares ( in treasury shares)			(224)
Repurchased Common Shares for treasury, net					4,392			4,392
Repurchased Common Shares for treasury (in shares)		(68)
Repurchased Common Shares for treasury (in treasury shares)			68
Share-based compensation				$ (5,577)				(5,577)
Balance at Mar. 31, 2021				$ 228,832	(56,090)	212,472	(100,542)	284,672
Common Stock, Share, Ending Balance (in shares) at Mar. 31, 2021		27,162
Treasury Stock, Shares, Ending Balance at Mar. 31, 2021			1,804
Balance at Dec. 31, 2020		$ 27,006			(60,482)	212,342	(89,635)	296,634
Common Stock, Share, Beginning Balance (in shares) at Dec. 31, 2020			1,960
Treasury Stock, Shares, Beginning Balance at Dec. 31, 2020				234,409
Net income (loss)								9,570
Unrealized gain (loss) on derivatives, net	[1]							124
Balance at Sep. 30, 2021				$ 231,567	(55,611)	221,912	(100,217)	297,651
Common Stock, Share, Ending Balance (in shares) at Sep. 30, 2021		27,179
Treasury Stock, Shares, Ending Balance at Sep. 30, 2021			1,787
Balance at Mar. 31, 2021				228,832	(56,090)	212,472	(100,542)	284,672
Common Stock, Share, Beginning Balance (in shares) at Mar. 31, 2021		27,162
Treasury Stock, Shares, Beginning Balance at Mar. 31, 2021			1,804
Net income (loss)						19,798		19,798
Unrealized gain (loss) on derivatives, net							386	386
Currency translation adjustments							7,172	7,172
Issuance of Common Shares ( in shares)		2
Issuance of Common Shares ( in treasury shares)			(2)
Repurchased Common Shares for treasury, net					4			4
Share-based compensation				1,598				1,598
Balance at Jun. 30, 2021				230,430	(56,086)	232,270	(92,984)	313,630
Common Stock, Share, Ending Balance (in shares) at Jun. 30, 2021		27,164
Treasury Stock, Shares, Ending Balance at Jun. 30, 2021			1,802
Net income (loss)						(10,358)		(10,358)
Unrealized gain (loss) on derivatives, net							(133)	(133)	[1]
Currency translation adjustments							(7,100)	(7,100)
Issuance of Common Shares ( in shares)		27
Issuance of Common Shares ( in treasury shares)			(27)
Repurchased Common Shares for treasury, net					475			475
Repurchased Common Shares for treasury (in shares)		(12)
Repurchased Common Shares for treasury (in treasury shares)			12
Share-based compensation				1,137				1,137
Balance at Sep. 30, 2021				231,567	(55,611)	221,912	(100,217)	297,651
Common Stock, Share, Ending Balance (in shares) at Sep. 30, 2021		27,179
Treasury Stock, Shares, Ending Balance at Sep. 30, 2021			1,787
Balance at Dec. 31, 2021				232,490	(55,264)	215,748	(97,024)	$ 295,950
Common Stock, Share, Beginning Balance (in shares) at Dec. 31, 2021		27,191						27,191
Treasury Stock, Shares, Beginning Balance at Dec. 31, 2021			1,775					1,775
Net income (loss)						(7,675)		$ (7,675)
Unrealized gain (loss) on derivatives, net							1,048	1,048
Currency translation adjustments							4,161	4,161
Issuance of Common Shares ( in shares)		161
Issuance of Common Shares ( in treasury shares)			(161)
Repurchased Common Shares for treasury, net					4,093			4,093
Repurchased Common Shares for treasury (in shares)		(36)
Repurchased Common Shares for treasury (in treasury shares)			36
Share-based compensation				(3,653)				(3,653)
Balance at Mar. 31, 2022				228,837	(51,171)	208,073	(91,815)	293,924
Common Stock, Share, Ending Balance (in shares) at Mar. 31, 2022		27,316
Treasury Stock, Shares, Ending Balance at Mar. 31, 2022			1,650
Balance at Dec. 31, 2021				232,490	(55,264)	215,748	(97,024)	$ 295,950
Common Stock, Share, Beginning Balance (in shares) at Dec. 31, 2021		27,191						27,191
Treasury Stock, Shares, Beginning Balance at Dec. 31, 2021			1,775					1,775
Net income (loss)								$ (14,283)
Unrealized gain (loss) on derivatives, net	[1]							719
Balance at Sep. 30, 2022				231,675	(50,772)	201,465	(118,204)	$ 264,164
Common Stock, Share, Ending Balance (in shares) at Sep. 30, 2022		27,327						27,327
Treasury Stock, Shares, Ending Balance at Sep. 30, 2022			1,639					1,639
Balance at Mar. 31, 2022				228,837	(51,171)	208,073	(91,815)	$ 293,924
Common Stock, Share, Beginning Balance (in shares) at Mar. 31, 2022		27,316
Treasury Stock, Shares, Beginning Balance at Mar. 31, 2022			1,650
Net income (loss)						(7,339)		(7,339)
Unrealized gain (loss) on derivatives, net							(53)	(53)
Currency translation adjustments							(15,712)	(15,712)
Issuance of Common Shares ( in shares)		4
Issuance of Common Shares ( in treasury shares)			(4)
Repurchased Common Shares for treasury, net					90			90
Repurchased Common Shares for treasury (in shares)		(2)
Repurchased Common Shares for treasury (in treasury shares)			2
Share-based compensation				1,618				1,618
Balance at Jun. 30, 2022				230,455	(51,081)	200,734	(107,580)	272,528
Common Stock, Share, Ending Balance (in shares) at Jun. 30, 2022		27,318
Treasury Stock, Shares, Ending Balance at Jun. 30, 2022			1,648
Net income (loss)						731		731
Unrealized gain (loss) on derivatives, net							(276)	(276)	[1]
Currency translation adjustments							(10,348)	(10,348)
Issuance of Common Shares ( in shares)		13
Issuance of Common Shares ( in treasury shares)			(13)
Repurchased Common Shares for treasury, net					309			309
Repurchased Common Shares for treasury (in shares)		(4)
Repurchased Common Shares for treasury (in treasury shares)			4
Share-based compensation				1,220				1,220
Balance at Sep. 30, 2022				$ 231,675	$ (50,772)	$ 201,465	$ (118,204)	$ 264,164
Common Stock, Share, Ending Balance (in shares) at Sep. 30, 2022		27,327						27,327
Treasury Stock, Shares, Ending Balance at Sep. 30, 2022			1,639					1,639

[1] Three months ended