Convertible Debt (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2021	Dec. 31, 2019
Convertible Debt [Abstract]
Proceeds from issuance of convertible senior notes	$ 0	$ 575,000
Repurchase of convertible senior notes	0	$ 487,943
1.75% Notes [Member]
Convertible Debt [Abstract]
Face amount of offering			$ 575,000
Proceeds from issuance of convertible senior notes			$ 488,200
Outstanding principal balance	575,000
Unamortized debt issuance costs	$ 10,700
Maturity date	Jun. 30, 2028
Interest rate	1.75%	1.75%	1.75%
Effective interest rate	2.30%
Conversion price per share (in dollars per share)	$ 53.73
Total shares of common stock subject to conversion (in shares)	10.7
Percentage of principal amount used as purchase price upon occurrence of fundamental change	100.00%
0% Notes [Member]
Convertible Debt [Abstract]
Face amount of offering				$ 632,500
Proceeds from issuance of convertible senior notes				319,000
Outstanding principal balance	$ 632,500
Unamortized debt issuance costs	$ 4,800
Maturity date	Apr. 30, 2026
Interest rate	0.00%	0.00%	0.00%
Effective interest rate	0.50%
Conversion price per share (in dollars per share)	$ 57.84
Effective conversion price per share with call spread (in dollars per share)	$ 76.39
Total shares of common stock subject to conversion (in shares)	10.9
Cost of call spread				46,900
Purchase of note hedges				136,700
Proceeds from issuance of warrants				89,800
Percentage of principal amount used as purchase price upon occurrence of fundamental change	100.00%
1% Notes [Member]
Convertible Debt [Abstract]
Repurchase of convertible senior notes				$ 309,900	$ 375,600
Interest rate				1.00%
0.125% Notes [Member]
Convertible Debt [Abstract]
Repurchase of convertible senior notes			$ 504,400
Principal amount repurchased		$ 504,400
Outstanding principal balance	$ 44,500
Unamortized debt issuance costs	$ 100
Maturity date	Dec. 31, 2024
Interest rate	0.125%	0.125%	0.125%
Effective interest rate	0.50%
Conversion price per share (in dollars per share)	$ 83.28
Effective conversion price per share with call spread (in dollars per share)	$ 123.38
Total shares of common stock subject to conversion (in shares)	0.5
Cost of call spread					52,600
Purchase of note hedges					108,700
Proceeds from issuance of warrants					56,100
Percentage of principal amount used as purchase price upon occurrence of fundamental change	100.00%
0.125% Notes Issued in Exchange for 1% Notes [Member]
Convertible Debt [Abstract]
Face amount of offering					439,300
0.125% Notes Issued under Subscription Agreements [Member]
Convertible Debt [Abstract]
Face amount of offering					$ 109,500