CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Common Stock in Treasury
Beginning balance (in shares) at Dec. 31, 2020		17,990,707
Beginning balance at Dec. 31, 2020	$ 360,303	$ 19	$ 287,979	$ 113,508	$ (10,160)	$ (31,043)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(3,221)			(3,221)
Currency translation adjustment	(10,174)				(10,174)
Stock-based compensation	2,094		2,094
Common stock issued, net of shares withheld for employee taxes (in shares)		163,457
Common stock issued, net of shares withheld for employee taxes	1,781		1,530			251
Ending balance (in shares) at Mar. 31, 2021		18,154,164
Ending balance at Mar. 31, 2021	350,783	$ 19	291,603	110,287	(20,334)	(30,792)
Beginning balance (in shares) at Dec. 31, 2020		17,990,707
Beginning balance at Dec. 31, 2020	360,303	$ 19	287,979	113,508	(10,160)	(31,043)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(4,397)
Currency translation adjustment	(5,307)
Ending balance (in shares) at Jun. 30, 2021		18,174,873
Ending balance at Jun. 30, 2021	357,362	$ 20	294,490	109,111	(15,467)	(30,792)
Beginning balance (in shares) at Mar. 31, 2021		18,154,164
Beginning balance at Mar. 31, 2021	350,783	$ 19	291,603	110,287	(20,334)	(30,792)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(1,176)			(1,176)
Currency translation adjustment	4,867				4,867
Stock-based compensation	3,283		3,283
Common stock issued, net of shares withheld for employee taxes (in shares)		20,709
Common stock issued, net of shares withheld for employee taxes	(395)	$ 1	(396)
Ending balance (in shares) at Jun. 30, 2021		18,174,873
Ending balance at Jun. 30, 2021	$ 357,362	$ 20	294,490	109,111	(15,467)	(30,792)
Beginning balance (in shares) at Dec. 31, 2021	18,205,636	18,205,636
Beginning balance at Dec. 31, 2021	$ 326,459	$ 20	301,061	73,544	(17,374)	(30,792)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(9,687)			(9,687)
Currency translation adjustment	(1,984)				(1,984)
Stock-based compensation	2,867		2,867
Common stock issued, net of shares withheld for employee taxes (in shares)		55,041
Common stock issued, net of shares withheld for employee taxes	(916)		(1,051)			135
Ending balance (in shares) at Mar. 31, 2022		18,260,677
Ending balance at Mar. 31, 2022	$ 316,739	$ 20	302,877	63,857	(19,358)	(30,657)
Beginning balance (in shares) at Dec. 31, 2021	18,205,636	18,205,636
Beginning balance at Dec. 31, 2021	$ 326,459	$ 20	301,061	73,544	(17,374)	(30,792)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(18,261)
Currency translation adjustment	$ (14,995)
Ending balance (in shares) at Jun. 30, 2022	18,275,364	18,266,757
Ending balance at Jun. 30, 2022	$ 298,396	$ 20	306,119	55,283	(32,369)	(30,657)
Beginning balance (in shares) at Mar. 31, 2022		18,260,677
Beginning balance at Mar. 31, 2022	316,739	$ 20	302,877	63,857	(19,358)	(30,657)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(8,574)			(8,574)
Currency translation adjustment	(13,011)				(13,011)
Stock-based compensation	3,491		3,491
Common stock issued, net of shares withheld for employee taxes (in shares)		6,080
Common stock issued, net of shares withheld for employee taxes	$ (249)		(249)
Ending balance (in shares) at Jun. 30, 2022	18,275,364	18,266,757
Ending balance at Jun. 30, 2022	$ 298,396	$ 20	$ 306,119	$ 55,283	$ (32,369)	$ (30,657)