CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Number of Common Shares outstanding	Treasury shares	Additional Paid-In Capital	Common Shares held in treasury	Retained earnings	Accumulated other comprehensive loss	Total
Balance at Dec. 31, 2018			$ 231,647	$ (8,880)	$ 146,251	$ (85,752)	$ 283,266
Net income					9,657		9,657
Common Stock, Share, Beginning Balance (in shares) at Dec. 31, 2018	28,488
Treasury Stock, Shares, Beginning Balance at Dec. 31, 2018		478
Unrealized gain on derivatives, net						42	42	[1]
Currency translation adjustments						(3,804)	(3,804)
Issuance of Common Shares ( in shares)	305
Issuance of Common Shares ( in treasury shares)		(305)
Repurchased Common Shares for treasury,net				(1,883)			(1,883)
Repurchased Common Shares for treasury (in shares)	(98)
Repurchased Common Shares for treasury (in treasury shares)		98
Share-based compensation			480				480
Balance at Mar. 31, 2019			232,127	(10,763)	155,908	(89,514)	287,758
Common Stock, Share, Ending Balance (in shares) at Mar. 31, 2019	28,695
Treasury Stock, Shares, Ending Balance at Mar. 31, 2019		271
Balance at Dec. 31, 2019			225,607	(50,773)	206,542	(91,472)	289,904
Net income					3,490		$ 3,490
Common Stock, Share, Beginning Balance (in shares) at Dec. 31, 2019	27,408						27,408
Treasury Stock, Shares, Beginning Balance at Dec. 31, 2019		1,558					1,558
Unrealized gain on derivatives, net						(3,655)	$ (3,655)	[1]
Currency translation adjustments						(17,119)	(17,119)
Issuance of Common Shares ( in shares)	267
Issuance of Common Shares ( in treasury shares)		(267)
Repurchased Common Shares for treasury,net				4,769			4,769
Repurchased Common Shares for treasury (in shares)	(75)
Repurchased Common Shares for treasury (in treasury shares)		75
Common Share repurchase program			10,000	(14,995)			(4,995)
Common Share repurchase program (in shares)	(607)
Common Share repurchase program (in treasury shares)		607
Share-based compensation			(5,101)				(5,101)
Balance at Mar. 31, 2020			$ 230,506	$ (60,999)	$ 210,032	$ (112,246)	$ 267,293
Common Stock, Share, Ending Balance (in shares) at Mar. 31, 2020	26,993						26,993
Treasury Stock, Shares, Ending Balance at Mar. 31, 2020		1,973					1,973

[1] Net of tax (benefit) expense of $(972) and $11 for the three months ended March 31, 2020 and 2019, respectively.