CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Cumulative effect of adoption	Adjusted balance	Accumulated Other Comprehensive (Loss)/ Income	Accumulated Other Comprehensive (Loss)/ Income Adjusted balance	Common Stock	Common Stock Restricted stock	Common Stock Restricted stock units	Common Stock Adjusted balance	Additional Paid-in Capital	Additional Paid-in Capital Adjusted balance	Retained Earnings	Retained Earnings Cumulative effect of adoption	Retained Earnings Adjusted balance	Treasury Stock	Treasury Stock Adjusted balance	Non-controlling interest
Balance, beginning of period (in shares) at Dec. 31, 2018						54,080									20
Balance, beginning of period at Dec. 31, 2018	$ 1,262,596			$ (41,514)		$ 54				$ 544,700		$ 759,533			$ (177)		$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock units vested (in shares)							19	285
Restricted stock units withheld for employee taxes (in shares)								(95)
Restricted stock units withheld for employee taxes	(15,951)									(15,951)
Stock-based compensation expense	41,256									41,256
Proceeds from stock options exercises (in shares)						899
Proceeds from stock option exercises	37,047					$ 1				37,046
Other comprehensive (loss)/income	10,140			10,140
Net income	261,057											261,057
Balance, end of period (in shares) at Dec. 31, 2019						55,188			55,188						20	20
Balance, end of period at Dec. 31, 2019	1,596,145	$ 130	$ 1,596,275	(31,374)	$ (31,374)	$ 55			$ 55	607,051	$ 607,051	1,020,590	$ 130	$ 1,020,720	$ (177)	$ (177)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock units vested (in shares)								327
Restricted stock units withheld for employee taxes (in shares)								(106)
Restricted stock units withheld for employee taxes	(20,190)									(20,190)
Stock-based compensation expense	47,462									47,462
Proceeds from stock options exercises (in shares)						699
Proceeds from stock option exercises	26,449					$ 1				26,448
Other comprehensive (loss)/income	5,862			5,862
Net income	$ 327,160											327,160
Balance, end of period (in shares) at Dec. 31, 2020	56,108					56,108									20
Balance, end of period at Dec. 31, 2020	$ 1,983,018			(25,512)		$ 56				660,771		1,347,880			$ (177)		0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock units vested (in shares)								311
Restricted stock units withheld for employee taxes (in shares)								(106)
Restricted stock units withheld for employee taxes	(45,070)									(45,070)
Stock-based compensation expense	68,709									68,709
Proceeds from stock options exercises (in shares)						536
Proceeds from stock option exercises	26,313					$ 1				26,312
Employee Stock Purchase Plan	1,190									1,190
Other comprehensive (loss)/income	(28,695)			(28,695)
Noncontrolling interests acquired in business combination	10,469																10,469
Purchase of noncontrolling interest	(1,749)																(1,749)
Net income	$ 481,652											481,652
Balance, end of period (in shares) at Dec. 31, 2021	56,849					56,849									20
Balance, end of period at Dec. 31, 2021	$ 2,495,837			$ (54,207)		$ 57				$ 711,912		$ 1,829,532			$ (177)		$ 8,720