Condensed Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income	Accumulated Deficit	Treasury Stock At Cost	Total
Balance at beginning of period at Dec. 31, 2020	$ 191	$ 456,472	$ (8,612)	$ (266,820)		$ 181,231
Balance (in shares) at Dec. 31, 2020	19,107,040
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense		3,062				3,062
Exercise of options and vesting of RSUs	$ 1	403				404
Exercise of options and vesting of RSUs (in shares)	85,765
Other comprehensive income			6,954			6,954
Net loss				(43,733)		(43,733)
Balance at end of period at Mar. 31, 2021	$ 192	459,937	(1,658)	(310,553)		147,918
Balance (in shares) at Mar. 31, 2021	19,192,805
Balance at beginning of period at Dec. 31, 2020	$ 191	456,472	(8,612)	(266,820)		181,231
Balance (in shares) at Dec. 31, 2020	19,107,040
Increase (Decrease) in Stockholders' Equity
Other comprehensive income						4,233
Net loss						(80,154)
Balance at end of period at Jun. 30, 2021	$ 192	464,665	(4,379)	(346,974)		113,504
Balance (in shares) at Jun. 30, 2021	19,240,295
Balance at beginning of period at Mar. 31, 2021	$ 192	459,937	(1,658)	(310,553)		147,918
Balance (in shares) at Mar. 31, 2021	19,192,805
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense		3,504				3,504
Exercise of options and vesting of RSUs		1,224				1,224
Exercise of options and vesting of RSUs (in shares)	47,490
Other comprehensive income			(2,721)			(2,721)
Net loss				(36,421)		(36,421)
Balance at end of period at Jun. 30, 2021	$ 192	464,665	(4,379)	(346,974)		113,504
Balance (in shares) at Jun. 30, 2021	19,240,295
Balance at beginning of period at Dec. 31, 2021	$ 193	475,390	1,105	(300,850)	$ (230)	175,608
Balance (in shares) at Dec. 31, 2021	19,304,312				(7,760)
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense		3,508				3,508
Exercise of options and vesting of RSUs	$ 2	4,378				4,380
Exercise of options and vesting of RSUs (in shares)	223,683
Other comprehensive income			7,124			7,124
Net loss				(42,434)		(42,434)
Balance at end of period at Mar. 31, 2022	$ 195	483,276	8,229	(343,284)	$ (230)	148,186
Balance (in shares) at Mar. 31, 2022	19,527,995				(7,760)
Balance at beginning of period at Dec. 31, 2021	$ 193	475,390	1,105	(300,850)	$ (230)	175,608
Balance (in shares) at Dec. 31, 2021	19,304,312				(7,760)
Increase (Decrease) in Stockholders' Equity
Other comprehensive income						7,147
Net loss						(82,383)
Balance at end of period at Jun. 30, 2022	$ 196	488,692	8,252	(383,233)	$ (230)	113,677
Balance (in shares) at Jun. 30, 2022	19,610,560				(7,760)
Balance at beginning of period at Mar. 31, 2022	$ 195	483,276	8,229	(343,284)	$ (230)	148,186
Balance (in shares) at Mar. 31, 2022	19,527,995				(7,760)
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense		3,616				3,616
Exercise of options and vesting of RSUs	$ 1	1,800				1,801
Exercise of options and vesting of RSUs (in shares)	82,565
Other comprehensive income			23			23
Net loss				(39,949)		(39,949)
Balance at end of period at Jun. 30, 2022	$ 196	$ 488,692	$ 8,252	$ (383,233)	$ (230)	$ 113,677
Balance (in shares) at Jun. 30, 2022	19,610,560				(7,760)