CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (DEFICIT) - USD ($) $ in Thousands	Common stock [Member]	Additional paid-in capital [Member]	Retained earnings (deficit) [Member]	Accumulated other comprehensive income (loss) [Member]	Total
Balance at beginning of period at Dec. 31, 2022	$ 624	$ 1,311,488	$ (2,375,860)	$ 2,996	$ (1,060,752)
Balance (in shares) at Dec. 31, 2022	62,353,000
Net Income (Loss)			1,794,077		1,794,077
Other comprehensive income (loss)				27,293	27,293
Issuance of common stock under employee benefit plans, net of forfeitures and shares withheld to cover taxes		16,649			16,649
Issuance of common stock under employee benefit plans, net of forfeitures and shares withheld to cover taxes, shares	22,000
Net issuance of common stock upon exercise of stock options	$ 2	56,483			56,485
Net issuance of common stock upon exercise of stock options, shares	207,000
Share-based compensation		20,555			20,555
Share repurchases, including fees	$ (30)	(64,012)	(2,526,938)		$ (2,590,980)
Share repurchases, including fees, shares	(2,961,000)				(2,961,000)
Excise tax on net share repurchases			(23,796)		$ (23,796)
Balance at end of period at Sep. 30, 2023	$ 596	1,341,163	(3,132,517)	30,289	(1,760,469)
Balance (in shares) at Sep. 30, 2023	59,621,000
Balance at beginning of period at Jun. 30, 2023	$ 604	1,330,270	(2,994,418)	36,071	(1,627,473)
Balance (in shares) at Jun. 30, 2023	60,402,000
Net Income (Loss)			649,827		649,827
Other comprehensive income (loss)				(5,782)	(5,782)
Issuance of common stock under employee benefit plans, net of forfeitures and shares withheld to cover taxes		5,239			5,239
Issuance of common stock under employee benefit plans, net of forfeitures and shares withheld to cover taxes, shares	7,000
Net issuance of common stock upon exercise of stock options	$ 1	17,685			17,686
Net issuance of common stock upon exercise of stock options, shares	64,000
Share-based compensation		6,900			6,900
Share repurchases, including fees	$ (9)	(18,931)	(780,589)		$ (799,529)
Share repurchases, including fees, shares	(852,000)				(852,000)
Excise tax on net share repurchases			(7,337)		$ (7,337)
Balance at end of period at Sep. 30, 2023	$ 596	1,341,163	(3,132,517)	30,289	(1,760,469)
Balance (in shares) at Sep. 30, 2023	59,621,000
Balance at beginning of period at Dec. 31, 2023	$ 591	1,352,275	(3,131,532)	39,388	$ (1,739,278)	[1]
Balance (in shares) at Dec. 31, 2023	59,073,000				59,072,792
Net Income (Loss)			1,835,550		$ 1,835,550
Other comprehensive income (loss)				(52,522)	(52,522)
Issuance of common stock under employee benefit plans, net of forfeitures and shares withheld to cover taxes		18,213			18,213
Issuance of common stock under employee benefit plans, net of forfeitures and shares withheld to cover taxes, shares	20,000
Net issuance of common stock upon exercise of stock options	$ 3	96,043			96,046
Net issuance of common stock upon exercise of stock options, shares	291,000
Share-based compensation		20,138			20,138
Share repurchases, including fees	$ (16)	(37,222)	(1,567,271)		$ (1,604,509)
Share repurchases, including fees, shares	(1,545,000)				(1,545,000)
Excise tax on net share repurchases			(12,702)		$ (12,702)
Balance at end of period at Sep. 30, 2024	$ 578	1,449,447	(2,875,955)	(13,134)	$ (1,439,064)
Balance (in shares) at Sep. 30, 2024	57,839,000				57,838,920
Balance at beginning of period at Jun. 30, 2024	$ 582	1,415,799	(3,008,665)	8,892	$ (1,583,392)
Balance (in shares) at Jun. 30, 2024	58,239,000
Net Income (Loss)			665,464		665,464
Other comprehensive income (loss)				(22,026)	(22,026)
Issuance of common stock under employee benefit plans, net of forfeitures and shares withheld to cover taxes		5,809			5,809
Issuance of common stock under employee benefit plans, net of forfeitures and shares withheld to cover taxes, shares	6,000
Net issuance of common stock upon exercise of stock options	$ 1	33,225			33,226
Net issuance of common stock upon exercise of stock options, shares	92,000
Share-based compensation		6,865			6,865
Share repurchases, including fees	$ (5)	(12,251)	(528,462)		$ (540,718)
Share repurchases, including fees, shares	(498,000)				(498,000)
Excise tax on net share repurchases			4,292		$ 4,292
Balance at end of period at Sep. 30, 2024	$ 578	$ 1,449,447	$ (2,875,955)	$ (13,134)	$ (1,439,064)
Balance (in shares) at Sep. 30, 2024	57,839,000				57,838,920

[1] The balance sheet at December 31, 2023, has been derived from the audited consolidated financial statements at that date but does not include all of the information and footnotes required by United States generally accepted accounting principles for complete financial statements.