CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($) shares in Thousands, $ in Thousands		Total	Common Stock		Additional Paid-In Capital		Accumulated Other Comprehensive (Loss) Income	Retained Earnings
Beginning balance (in shares) at Dec. 31, 2020	[1]		394,285
Beginning balance at Dec. 31, 2020		$ 5,375,359	$ 3,943	[1]	$ 4,204,703	[1]	$ (889)	$ 1,167,602
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		74,212						74,212
Other comprehensive (loss) income		323					323
Exercise of stock options (in shares)	[1]		206
Exercise of stock options		6,341	$ 2	[1]	6,339	[1]
Restricted stock grants (in shares)	[1]		766
Restricted stock grants		1	$ 8	[1]	(7)	[1]
Restricted stock grants surrendered (in shares)	[1]		(358)
Restricted stock grants surrendered		(27,667)	$ (4)	[1]	(27,663)	[1]
Stock-based compensation expense		15,264			15,264	[1]
Employee stock purchase plan (in shares)	[1]		36
Employee stock purchase plan		3,092			3,092	[1]
Ending balance (in shares) at Mar. 31, 2021	[1]		394,935
Ending balance at Mar. 31, 2021		5,446,925	$ 3,949	[1]	4,201,728	[1]	(566)	1,241,814
Beginning balance (in shares) at Dec. 31, 2020	[1]		394,285
Beginning balance at Dec. 31, 2020		5,375,359	$ 3,943	[1]	4,204,703	[1]	(889)	1,167,602
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		199,664
Other comprehensive (loss) income		(4,380)
Ending balance (in shares) at Sep. 30, 2021	[1]		394,960
Ending balance at Sep. 30, 2021		5,603,423	$ 3,947	[1]	4,237,479	[1]	(5,269)	1,367,266
Beginning balance (in shares) at Mar. 31, 2021	[1]		394,935
Beginning balance at Mar. 31, 2021		5,446,925	$ 3,949	[1]	4,201,728	[1]	(566)	1,241,814
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		61,148						61,148
Other comprehensive (loss) income		1,526					1,526
Restricted stock grants (in shares)	[1]		50
Restricted stock grants		0
Restricted stock grants surrendered (in shares)	[1]		(75)
Restricted stock grants surrendered		(738)	$ (1)	[1]	(737)	[1]
Stock-based compensation expense		14,811			14,811	[1]
Employee stock purchase plan (in shares)	[1]		41
Employee stock purchase plan		3,555			3,555	[1]
Ending balance (in shares) at Jun. 30, 2021	[1]		394,951
Ending balance at Jun. 30, 2021		5,527,227	$ 3,948	[1]	4,219,357	[1]	960	1,302,962
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		64,304						64,304
Other comprehensive (loss) income		(6,229)					(6,229)
Restricted stock grants (in shares)	[1]		35
Restricted stock grants		0
Restricted stock grants surrendered (in shares)	[1]		(61)
Restricted stock grants surrendered		(901)	$ (1)	[1]	(900)	[1]
Stock-based compensation expense		16,021			16,021	[1]
Employee stock purchase plan (in shares)	[1]		35
Employee stock purchase plan		3,001			3,001	[1]
Ending balance (in shares) at Sep. 30, 2021	[1]		394,960
Ending balance at Sep. 30, 2021		5,603,423	$ 3,947	[1]	4,237,479	[1]	(5,269)	1,367,266
Beginning balance (in shares) at Dec. 31, 2021			394,936
Beginning balance at Dec. 31, 2021		5,711,672	$ 3,946		4,253,318		(5,758)	1,460,166
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		89,318						89,318
Other comprehensive (loss) income		(6,356)					(6,356)
Restricted stock grants (in shares)			1,277
Restricted stock grants		0	$ 13		(13)
Restricted stock grants surrendered (in shares)			(403)
Restricted stock grants surrendered		(19,459)	$ (4)		(19,455)
Stock-based compensation expense		18,005			18,005
Employee stock purchase plan (in shares)			64
Employee stock purchase plan		4,118	$ 1		4,117
Ending balance (in shares) at Mar. 31, 2022			395,874
Ending balance at Mar. 31, 2022		5,797,298	$ 3,956		4,255,972		(12,114)	1,549,484
Beginning balance (in shares) at Dec. 31, 2021			394,936
Beginning balance at Dec. 31, 2021		5,711,672	$ 3,946		4,253,318		(5,758)	1,460,166
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		245,081
Other comprehensive (loss) income		(40,869)
Ending balance (in shares) at Sep. 30, 2022			406,619
Ending balance at Sep. 30, 2022		6,706,912	$ 4,065		5,044,227		(46,627)	1,705,247
Beginning balance (in shares) at Mar. 31, 2022			395,874
Beginning balance at Mar. 31, 2022		5,797,298	$ 3,956		4,255,972		(12,114)	1,549,484
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		83,473						83,473
Other comprehensive (loss) income		(17,842)					(17,842)
Restricted stock grants (in shares)			65
Restricted stock grants		0	$ 1		(1)
Restricted stock grants surrendered (in shares)			(108)
Restricted stock grants surrendered		(296)	$ (1)		(295)
Stock-based compensation expense		17,680			17,680
Employee stock purchase plan (in shares)			65
Employee stock purchase plan		4,040	$ 1		4,039
Ending balance (in shares) at Jun. 30, 2022			395,896
Ending balance at Jun. 30, 2022		5,884,353	$ 3,957		4,277,395		(29,956)	1,632,957
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		72,290						72,290
Other comprehensive (loss) income		(16,671)					(16,671)
Restricted stock grants (in shares)			80
Restricted stock grants		0	$ 1		(1)
Restricted stock grants surrendered (in shares)			(69)
Restricted stock grants surrendered		(504)	$ (1)		(503)
Stock-based compensation expense		17,928			17,928
Employee stock purchase plan (in shares)			56
Employee stock purchase plan		3,816	$ 1		3,815
Stock issued for equity offerings, net of transaction costs (in shares)			10,656
Stock issued for equity offering, net of transaction costs		745,700	$ 107		745,593
Ending balance (in shares) at Sep. 30, 2022			406,619
Ending balance at Sep. 30, 2022		$ 6,706,912	$ 4,065		$ 5,044,227		$ (46,627)	$ 1,705,247

[1] Prior period amounts have been adjusted to reflect the ten-for-one stock split, effected in the form of a stock dividend, in June 2021. See Note 2 for details.