UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Additional Paid-In Capital	Common Stock Held in Treasury	Accumulated Deficit	Accumulated Deficit Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive (Loss) Income
Beginning balance (in shares) at Dec. 31, 2020			88,554,962
Beginning balance at Dec. 31, 2020	$ 583,184		$ 1	$ 770,714	$ (897)	$ (187,691)		$ 1,057
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued for exercise of employee-based stock options (in shares)			271,946
Common stock issued for exercise of employee-based stock options	2,427			2,427
Stock-based compensation	911			911
Net income	628					628
Unrealized loss on hedged transactions, net of tax	(134)							(134)
Foreign currency translation adjustment, net of tax	372							372
Ending Balance (in shares) at Mar. 31, 2021			88,826,908
Ending Balance at Mar. 31, 2021	587,388		$ 1	774,052	(897)	(187,063)		1,295
Beginning balance (in shares) at Dec. 31, 2020			88,554,962
Beginning balance at Dec. 31, 2020	583,184		$ 1	770,714	(897)	(187,691)		1,057
Ending Balance (in shares) at Dec. 31, 2021			95,746,975
Ending Balance at Dec. 31, 2021	$ 709,624	$ (198)	$ 68	916,578	(897)	(206,218)	$ (198)	93
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible Enumeration]	Accounting Standards Update 2016-13
Issuance of common stock (in shares)			1,112
Common stock issued for exercise of employee-based stock options (in shares)			8,486
Common stock issued for exercise of employee-based stock options	$ 80			80
Issuance of restricted shares, net of forfeitures and vesting (in shares)			533,095
Issuance of restricted shares, net of forfeitures and vestings			$ 5	(5)
Stock-based compensation	5,108			5,108
Net income	6,236					6,236
Unrealized loss on hedged transactions, net of tax	0
Foreign currency translation adjustment, net of tax	283			(8)				283
Foreign currency translation adjustment, net of tax	275
Ending Balance (in shares) at Mar. 31, 2022			96,289,668
Ending Balance at Mar. 31, 2022	$ 721,125		$ 73	$ 921,753	$ (897)	$ (200,180)		$ 376