CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands		Total	Common Stock		Additional Paid-in Capital	Retained Earnings
Balance at Dec. 31, 2021		$ 4,802,481	$ 1,798		$ 4,260,670	$ 540,013
Balance, shares at Dec. 31, 2021			179,820
Vesting of restricted stock units			$ 11		(11)
Vesting of restricted stock units, shares			1,018
Stock-based compensation expense		8,840			8,840
Repurchase of common stock	[1]	$ (285,951)	$ (36)			(285,915)
Repurchase of common stock, shares		(3,600)	(3,593)	[1]
Exercise of stock options		$ 421			421
Exercise of stock options, shares			42
Shares withheld for restricted stock units vested		(29,384)	$ (4)		(29,380)
Shares withheld for restricted stock units vested, shares			(401)
Net Income (Loss)		639,640				639,640
Balance at Mar. 31, 2022		5,136,047	$ 1,769		4,240,540	893,738
Balance, shares at Mar. 31, 2022			176,886
Balance at Dec. 31, 2021		4,802,481	$ 1,798		4,260,670	540,013
Balance, shares at Dec. 31, 2021			179,820
Net Income (Loss)		1,626,850
Balance at Jun. 30, 2022		5,136,353	$ 1,602		4,244,374	890,377
Balance, shares at Jun. 30, 2022			160,226
Balance at Mar. 31, 2022		5,136,047	$ 1,769		4,240,540	893,738
Balance, shares at Mar. 31, 2022			176,886
Vesting of restricted stock units			$ 3		(3)
Vesting of restricted stock units, shares			300
Stock-based compensation expense		9,316			9,316
Repurchase of common stock	[1]	$ (990,739)	$ (169)			(990,570)
Repurchase of common stock, shares		(16,900)	(16,871)	[1]
Exercise of stock options		$ 13			13
Exercise of stock options, shares			1
Shares withheld for restricted stock units vested		(5,493)	$ (1)		(5,492)
Shares withheld for restricted stock units vested, shares			(90)
Net Income (Loss)		987,209				987,209
Balance at Jun. 30, 2022		5,136,353	$ 1,602		4,244,374	890,377
Balance, shares at Jun. 30, 2022			160,226
Balance at Dec. 31, 2022		$ 4,962,566	$ 1,389		4,257,667	703,510
Balance, shares at Dec. 31, 2022		138,864	138,864
Vesting of restricted stock units			$ 7		(7)
Vesting of restricted stock units, shares			687
Stock-based compensation expense		$ 11,026			11,026
Repurchase of common stock	[1]	$ (627,608)	$ (75)			(627,533)
Repurchase of common stock, shares		(7,500)	(7,546)	[1]
Exercise of stock options		$ 315			315
Exercise of stock options, shares			38
Shares withheld for restricted stock units vested		(22,853)	$ (3)		(22,850)
Shares withheld for restricted stock units vested, shares			(276)
Net Income (Loss)		333,786				333,786
Balance at Mar. 31, 2023		4,657,232	$ 1,318		4,246,151	409,763
Balance, shares at Mar. 31, 2023			131,767
Balance at Dec. 31, 2022		$ 4,962,566	$ 1,389		4,257,667	703,510
Balance, shares at Dec. 31, 2022		138,864	138,864
Net Income (Loss)		$ 738,405
Balance at Jun. 30, 2023		$ 4,342,060	$ 1,250		4,249,053	91,757
Balance, shares at Jun. 30, 2023		125,032	125,032
Balance at Mar. 31, 2023		$ 4,657,232	$ 1,318		4,246,151	409,763
Balance, shares at Mar. 31, 2023			131,767
Vesting of restricted stock units			$ 3		(3)
Vesting of restricted stock units, shares			319
Stock-based compensation expense		12,395			12,395
Repurchase of common stock	[1]	$ (722,695)	$ (70)			(722,625)
Repurchase of common stock, shares		(7,000)	(6,970)	[1]
Exercise of stock options		$ 157			157
Exercise of stock options, shares			16
Shares withheld for restricted stock units vested		(9,648)	$ (1)		(9,647)
Shares withheld for restricted stock units vested, shares			(100)
Net Income (Loss)		404,619				404,619
Balance at Jun. 30, 2023		$ 4,342,060	$ 1,250		$ 4,249,053	$ 91,757
Balance, shares at Jun. 30, 2023		125,032	125,032

[1] Pursuant to repurchase programs authorized by our board of directors, we repurchased and retired 7.0 million shares of our common stock at an average price of $103.68 per share for $722.7 million, inclusive of fees and taxes, during the three months ended June 30, 2023. We repurchased and retired 7.5 million shares of our common stock at an average price of $83.17 per share for $627.6 million, inclusive of fees and taxes, during the three months ended March 31, 2023. We repurchased and retired 16.9 million shares of our common stock at an average price of $58.72 per share for $990.7 million, inclusive of fees, during the three months ended June 30, 2022. We repurchased and retired 3.6 million shares of our common stock at an average price of $79.58 per share for $286.0 million, inclusive of fees, during the three months ended March 31, 2022.