CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands		Total		Common Stock	Additional Paid-in Capital	Company Stock Held By NQDC	Accumulated other comprehensive income (loss)	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2020	[1]			181,741
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuances under equity incentive plans (in shares)				930
Ending balance (in shares) at Mar. 31, 2021				182,671
Beginning balance at Dec. 31, 2020	[1]	$ 4,106,002		$ 182	$ 4,993,407	$ (9,839)	$ (16,139)	$ (861,609)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuances under equity incentive plans, net of tax				1	(29,916)
Stock-based compensation					47,409
Common stock held by the NQDC					(281)	281
Other comprehensive income (loss)							21,143
Net income		17,371						17,371
Ending balance at Mar. 31, 2021		4,162,010		$ 183	5,010,619	(9,558)	5,004	(844,238)
Beginning balance (in shares) at Dec. 31, 2021	[1]			183,913
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuances under equity incentive plans (in shares)				989
Ending balance (in shares) at Mar. 31, 2022				184,902
Beginning balance at Dec. 31, 2021	[1]	4,270,740	[2]	$ 184	5,191,502	(9,689)	14,432	(925,689)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuances under equity incentive plans, net of tax				1	(33,633)
Stock-based compensation					48,718
Common stock held by the NQDC					(300)	300
Other comprehensive income (loss)							(15,309)
Net income		120,798						120,798
Ending balance at Mar. 31, 2022		$ 4,391,315		$ 185	$ 5,206,287	$ (9,389)	$ (877)	$ (804,891)

[1] The beginning balances for the three-month periods were derived from the audited Consolidated Financial Statements included in Company’s Annual Report on Form 10-K for the year ended December 31, 2021, filed with the SEC on February 25, 2022.

[2] (1)December 31, 2021 balances were derived from the audited Consolidated Financial Statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2021, filed with the SEC on February 25, 2022.