CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common stock and paid-in capital	Common stock and paid-in capital Cumulative Effect, Period of Adoption, Adjustment	Accumulated deficit	Accumulated deficit Cumulative Effect, Period of Adoption, Adjustment	Accumulated other comprehensive loss
Balance, beginning of period at Dec. 31, 2020		$ 534,745		$ (51,186)		$ 434
Issuance of common stock from exercise of equity awards and employee stock purchase plan		3,684
Payment of withholding taxes related to net share settlement of equity awards		(20,311)
Equity component of convertible senior notes, net		207,970
Cost of convertible notes hedge related to the convertible senior notes, net		(213,322)
Sale of warrants related to the convertible senior notes		220,800
Equity component of settlement of convertible senior notes, net		(966,557)
Settlement of convertible senior notes		962,176
Stock-based compensation		77,110
Net income	$ 92,858			92,858
Repurchase of common stock				(200,000)
Foreign currency translation adjustments	(302)					(302)
Change in net unrealized loss on marketable securities, net of tax	(284)					(284)
Balance, end of period at Sep. 30, 2021	$ 647,815	806,295		(158,328)		(152)
Balance, beginning of period at Dec. 31, 2020		534,745		(51,186)		434
Accounting Standards Update [Extensible Enumeration]	Accounting Standards Update 2020-06
Balance, end of period at Dec. 31, 2021	$ 430,168	837,925	$ (207,967)	(405,737)	$ 25,710	(2,020)
Balance, beginning of period at Jun. 30, 2021		762,612		(180,137)		1,924
Issuance of common stock from exercise of equity awards and employee stock purchase plan		42
Payment of withholding taxes related to net share settlement of equity awards		(3,313)
Stock-based compensation		46,954
Net income	21,809			21,809
Foreign currency translation adjustments	(1,792)					(1,792)
Change in net unrealized loss on marketable securities, net of tax	(284)					(284)
Balance, end of period at Sep. 30, 2021	647,815	806,295		(158,328)		(152)
Balance, beginning of period at Dec. 31, 2021	430,168	837,925	$ (207,967)	(405,737)	$ 25,710	(2,020)
Issuance of common stock from exercise of equity awards and employee stock purchase plan		5,280
Payment of withholding taxes related to net share settlement of equity awards		(19,396)
Stock-based compensation		146,171
Net income	243,609			243,609
Foreign currency translation adjustments	(5,670)					(5,670)
Change in net unrealized loss on marketable securities, net of tax	(7,852)					(7,852)
Balance, end of period at Sep. 30, 2022	610,053	762,013		(136,418)		(15,542)
Balance, beginning of period at Jun. 30, 2022		713,474		(251,230)		(11,245)
Issuance of common stock from exercise of equity awards and employee stock purchase plan		693
Payment of withholding taxes related to net share settlement of equity awards		(4,589)
Stock-based compensation		52,435
Net income	114,812			114,812
Foreign currency translation adjustments	(3,364)					(3,364)
Change in net unrealized loss on marketable securities, net of tax	(933)					(933)
Balance, end of period at Sep. 30, 2022	$ 610,053	$ 762,013		$ (136,418)		$ (15,542)