Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Cumulative effect of a change in accounting principle related to convertible debt	Common Stock	Treasury Stock	Additional Paid-In Capital	Additional Paid-In Capital Cumulative effect of a change in accounting principle related to convertible debt	Retained Earnings	Retained Earnings Cumulative effect of a change in accounting principle related to convertible debt	Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period (in shares) at Dec. 31, 2021			54,073,000
Balance at beginning of period at Dec. 31, 2021	$ 1,146,689	$ (56,233)	$ 54	$ (238,109)	$ 1,024,580	$ (72,742)	$ 368,571	$ 16,509	$ (8,407)
Balance at beginning of period, Treasury stock (in shares) at Dec. 31, 2021				(9,894,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	8,213						8,213
Other comprehensive income (loss)	(2,555)								(2,555)
Share-based compensation	16,208				16,208
Issuance of common stock under employee stock plans (in shares)			384,000
Issuance of common stock under employee stock plans	18,951				18,951
Tax payments related to restricted stock units	(4,322)				(4,322)
Stock repurchases (in shares)				(389,000)
Stock repurchases	(52,210)			$ (52,210)
Balance at end of period (in shares) at Mar. 31, 2022			54,457,000
Balance at end of period at Mar. 31, 2022	1,074,741		$ 54	$ (290,319)	982,675		393,293		(10,962)
Balance at end of period, Treasury stock (in shares) at Mar. 31, 2022				(10,283,000)
Balance at beginning of period (in shares) at Dec. 31, 2021			54,073,000
Balance at beginning of period at Dec. 31, 2021	1,146,689	$ (56,233)	$ 54	$ (238,109)	1,024,580	$ (72,742)	368,571	$ 16,509	(8,407)
Balance at beginning of period, Treasury stock (in shares) at Dec. 31, 2021				(9,894,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	34,056
Other comprehensive income (loss)	(15,735)
Balance at end of period (in shares) at Sep. 30, 2022			54,929,000
Balance at end of period at Sep. 30, 2022	1,135,395		$ 55	$ (290,319)	1,030,665		419,136		(24,142)
Balance at end of period, Treasury stock (in shares) at Sep. 30, 2022				(10,283,000)
Balance at beginning of period (in shares) at Mar. 31, 2022			54,457,000
Balance at beginning of period at Mar. 31, 2022	1,074,741		$ 54	$ (290,319)	982,675		393,293		(10,962)
Balance at beginning of period, Treasury stock (in shares) at Mar. 31, 2022				(10,283,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	9,069						9,069
Other comprehensive income (loss)	(6,410)								(6,410)
Share-based compensation	17,213				17,213
Issuance of common stock under employee stock plans (in shares)			114,000
Issuance of common stock under employee stock plans	2,172		$ 1		2,171
Tax payments related to restricted stock units	(4,148)				(4,148)
Balance at end of period (in shares) at Jun. 30, 2022			54,571,000
Balance at end of period at Jun. 30, 2022	1,092,637		$ 55	$ (290,319)	997,911		402,362		(17,372)
Balance at end of period, Treasury stock (in shares) at Jun. 30, 2022				(10,283,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	16,774						16,774
Other comprehensive income (loss)	(6,770)								(6,770)
Share-based compensation	17,310				17,310
Issuance of common stock under employee stock plans (in shares)			358,000
Issuance of common stock under employee stock plans	18,416				18,416
Tax payments related to restricted stock units	(2,972)				(2,972)
Balance at end of period (in shares) at Sep. 30, 2022			54,929,000
Balance at end of period at Sep. 30, 2022	$ 1,135,395		$ 55	$ (290,319)	1,030,665		419,136		(24,142)
Balance at end of period, Treasury stock (in shares) at Sep. 30, 2022				(10,283,000)
Balance at beginning of period (in shares) at Dec. 31, 2022	44,747,000		55,030,000
Balance at beginning of period at Dec. 31, 2022	$ 1,130,137		$ 55	$ (290,319)	1,046,760		390,728		(17,087)
Balance at beginning of period, Treasury stock (in shares) at Dec. 31, 2022	(10,283,000)			(10,283,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ (15,000)						(15,000)
Other comprehensive income (loss)	1,479								1,479
Share-based compensation	15,180				15,180
Issuance of common stock under employee stock plans (in shares)			322,000
Issuance of common stock under employee stock plans	12,114				12,114
Tax payments related to restricted stock units	(1,369)				(1,369)
Balance at end of period (in shares) at Mar. 31, 2023			55,352,000
Balance at end of period at Mar. 31, 2023	$ 1,142,541		$ 55	$ (290,319)	1,072,685		375,728		(15,608)
Balance at end of period, Treasury stock (in shares) at Mar. 31, 2023				(10,283,000)
Balance at beginning of period (in shares) at Dec. 31, 2022	44,747,000		55,030,000
Balance at beginning of period at Dec. 31, 2022	$ 1,130,137		$ 55	$ (290,319)	1,046,760		390,728		(17,087)
Balance at beginning of period, Treasury stock (in shares) at Dec. 31, 2022	(10,283,000)			(10,283,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ (5,996)
Other comprehensive income (loss)	$ (42)
Balance at end of period (in shares) at Sep. 30, 2023	45,463,000		55,746,000
Balance at end of period at Sep. 30, 2023	$ 1,187,436		$ 56	$ (290,319)	1,110,096		384,732		(17,129)
Balance at end of period, Treasury stock (in shares) at Sep. 30, 2023	(10,283,000)			(10,283,000)
Balance at beginning of period (in shares) at Mar. 31, 2023			55,352,000
Balance at beginning of period at Mar. 31, 2023	$ 1,142,541		$ 55	$ (290,319)	1,072,685		375,728		(15,608)
Balance at beginning of period, Treasury stock (in shares) at Mar. 31, 2023				(10,283,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	3,451						3,451
Other comprehensive income (loss)	1,432								1,432
Share-based compensation	15,148				15,148
Issuance of common stock under employee stock plans (in shares)			136,000
Issuance of common stock under employee stock plans	3,089		$ 1		3,088
Tax payments related to restricted stock units	(2,096)				(2,096)
Balance at end of period (in shares) at Jun. 30, 2023			55,488,000
Balance at end of period at Jun. 30, 2023	1,163,565		$ 56	$ (290,319)	1,088,825		379,179		(14,176)
Balance at end of period, Treasury stock (in shares) at Jun. 30, 2023				(10,283,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	5,553						5,553
Other comprehensive income (loss)	(2,953)								(2,953)
Share-based compensation	16,104				16,104
Issuance of common stock under employee stock plans (in shares)			258,000
Issuance of common stock under employee stock plans	7,832				7,832
Tax payments related to restricted stock units	$ (2,665)				(2,665)
Balance at end of period (in shares) at Sep. 30, 2023	45,463,000		55,746,000
Balance at end of period at Sep. 30, 2023	$ 1,187,436		$ 56	$ (290,319)	$ 1,110,096		$ 384,732		$ (17,129)
Balance at end of period, Treasury stock (in shares) at Sep. 30, 2023	(10,283,000)			(10,283,000)