Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Balance at Dec. 31, 2020	$ 368,190	$ 674	$ 1,530,493	$ (1,156,173)	$ (6,804)
Balance, Shares at Dec. 31, 2020		67,387
Net income	5,278			5,278
Other comprehensive income (loss), net of tax	1,200				1,200
Shares issued in connection with stock-based compensation plans, net	(5,630)	$ 11	(5,641)
Shares issued in connection with stock-based compensation plans, net, Shares		1,144
Stock-based compensation	4,978		4,978
Balance at Mar. 31, 2021	374,016	$ 685	1,529,830	(1,150,895)	(5,604)
Balance, Shares at Mar. 31, 2021		68,531
Balance at Dec. 31, 2020	368,190	$ 674	1,530,493	(1,156,173)	(6,804)
Balance, Shares at Dec. 31, 2020		67,387
Net income	11,244
Balance at Jun. 30, 2021	385,456	$ 690	1,534,098	(1,144,929)	(4,403)
Balance, Shares at Jun. 30, 2021		68,964
Balance at Mar. 31, 2021	374,016	$ 685	1,529,830	(1,150,895)	(5,604)
Balance, Shares at Mar. 31, 2021		68,531
Net income	5,966			5,966
Other comprehensive income (loss), net of tax	$ 1,201				1,201
Shares issued in connection with stock-based compensation plans, net		$ 5	(1,424)
Shares issued in connection with stock-based compensation plans, net, Shares	(1,419)	433
Stock-based compensation	$ 5,692		5,692
Balance at Jun. 30, 2021	385,456	$ 690	1,534,098	(1,144,929)	(4,403)
Balance, Shares at Jun. 30, 2021		68,964
Balance at Dec. 31, 2021	398,020	$ 692	1,544,712	(1,145,382)	(2,002)
Balance, Shares at Dec. 31, 2021		69,170
Net income	4,340			4,340
Other comprehensive income (loss), net of tax	1,202				1,202
Repurchases of common stock(shares)		(338)
Repurchases of common stock (value)	(5,000)	$ (3)	(4,997)
Shares issued in connection with stock-based compensation plans, net	(7,696)	$ 9	(7,705)
Shares issued in connection with stock-based compensation plans, net, Shares		971
Stock-based compensation	5,221		5,221
Balance at Mar. 31, 2022	396,087	$ 698	1,537,231	(1,141,042)	(800)
Balance, Shares at Mar. 31, 2022		69,803
Balance at Dec. 31, 2021	398,020	$ 692	1,544,712	(1,145,382)	(2,002)
Balance, Shares at Dec. 31, 2021		69,170
Net income	9,885
Balance at Jun. 30, 2022	391,388	$ 682	1,526,203	(1,135,497)
Balance, Shares at Jun. 30, 2022		68,244
Balance at Mar. 31, 2022	396,087	$ 698	1,537,231	(1,141,042)	(800)
Balance, Shares at Mar. 31, 2022		69,803
Net income	5,545			5,545
Other comprehensive income (loss), net of tax	$ 800				$ 800
Repurchases of common stock(shares)	18,309	(1,717)
Repurchases of common stock (value)		$ 17	18,292
Shares issued in connection with stock-based compensation plans, net		$ 1	857
Shares issued in connection with stock-based compensation plans, net, Shares	858	158
Stock-based compensation	$ 6,407		6,407
Balance at Jun. 30, 2022	$ 391,388	$ 682	$ 1,526,203	$ (1,135,497)
Balance, Shares at Jun. 30, 2022		68,244