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)			1,144,250		1,144,250
Other comprehensive income (loss)				33,075	33,075
Issuance of common stock under employee benefit plans, net of forfeitures and shares withheld to cover taxes		11,410			11,410
Issuance of common stock under employee benefit plans, net of forfeitures and shares withheld to cover taxes, shares	15,000
Net issuance of common stock upon exercise of stock options	$ 1	38,798			38,799
Net issuance of common stock upon exercise of stock options, shares	143,000
Share-based compensation		13,655			13,655
Share repurchases, including fees	$ (21)	(45,081)	(1,746,349)		$ (1,791,451)
Share repurchases, including fees, shares	(2,109,000)				(2,109,000)
Excise tax on net share repurchases			(16,459)		$ (16,459)
Balance at end 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
Balance at beginning of period at Mar. 31, 2023	$ 610	1,305,276	(2,952,797)	21,894	(1,625,017)
Balance (in shares) at Mar. 31, 2023	61,039,000
Net Income (Loss)			627,365		627,365
Other comprehensive income (loss)				14,177	14,177
Issuance of common stock under employee benefit plans, net of forfeitures and shares withheld to cover taxes		6,117			6,117
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	28,543			28,544
Net issuance of common stock upon exercise of stock options, shares	108,000
Share-based compensation		6,675			6,675
Share repurchases, including fees	$ (7)	(16,341)	(663,642)		$ (679,990)
Share repurchases, including fees, shares	(752,000)				(752,000)
Excise tax on net share repurchases			5,344		$ 5,344
Balance at end 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
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)			1,170,086		$ 1,170,086
Other comprehensive income (loss)				(30,496)	(30,496)
Issuance of common stock under employee benefit plans, net of forfeitures and shares withheld to cover taxes		12,404			12,404
Issuance of common stock under employee benefit plans, net of forfeitures and shares withheld to cover taxes, shares	14,000
Net issuance of common stock upon exercise of stock options	$ 2	62,818			62,820
Net issuance of common stock upon exercise of stock options, shares	199,000
Share-based compensation		13,273			13,273
Share repurchases, including fees	$ (11)	(24,971)	(1,038,809)		$ (1,063,791)
Share repurchases, including fees, shares	(1,047,000)				(1,047,000)
Excise tax on net share repurchases			(8,410)		$ (8,410)
Balance at end 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				58,238,711
Balance at beginning of period at Mar. 31, 2024	$ 590	1,410,756	(2,849,108)	46,564	$ (1,391,198)
Balance (in shares) at Mar. 31, 2024	58,982,000
Net Income (Loss)			622,848		622,848
Other comprehensive income (loss)				(37,672)	(37,672)
Issuance of common stock under employee benefit plans, net of forfeitures and shares withheld to cover taxes		6,797			6,797
Issuance of common stock under employee benefit plans, net of forfeitures and shares withheld to cover taxes, shares	8,000
Net issuance of common stock upon exercise of stock options		10,404			10,404
Net issuance of common stock upon exercise of stock options, shares	34,000
Share-based compensation		6,725			6,725
Share repurchases, including fees	$ (8)	(18,883)	(774,881)		$ (793,772)
Share repurchases, including fees, shares	(785,000)				(785,000)
Excise tax on net share repurchases			7,524		$ 7,524
Balance at end 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				58,238,711

[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.