Convertible Debt (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	1 Months Ended			3 Months Ended	9 Months Ended
	Jun. 30, 2023	Apr. 30, 2021	Dec. 31, 2019	Sep. 30, 2023	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Convertible Debt [Abstract]
Proceeds from issuance of convertible senior notes					$ 575,000	$ 0
Repurchase of convertible senior notes					487,943	0
Gain on early retirement of debt					13,389	$ 0
1.75% Notes [Member]
Convertible Debt [Abstract]
Face amount of offering	$ 575,000
Repurchase of convertible senior notes				$ 67,800
Outstanding principal balance				575,000	575,000
Unamortized debt issuance costs				$ 13,400	$ 13,400
Maturity date					Jun. 30, 2028
Interest rate				1.75%	1.75%
Effective interest rate				2.30%	2.30%
Conversion price per share (in dollars per share)				$ 53.73	$ 53.73
Total shares of common stock subject to conversion (in shares)				10.7	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
Outstanding principal balance				$ 632,500	$ 632,500
Unamortized debt issuance costs				$ 7,900	$ 7,900
Maturity date					Apr. 30, 2026
Interest rate				0.00%	0.00%	0.00%	0.00%
Effective interest rate				0.50%	0.50%
Conversion price per share (in dollars per share)				$ 57.84	$ 57.84
Effective conversion price per share with call spread (in dollars per share)				$ 76.39	$ 76.39
Total shares of common stock subject to conversion (in shares)				10.9	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		257,000
Principal amount repurchased		$ 247,900
Interest rate				1.00%	1.00%
0.125% Notes [Member]
Convertible Debt [Abstract]
Proceeds from issuance of convertible senior notes	420,400
Repurchase of convertible senior notes				$ 70,300
Principal amount repurchased	$ 434,100			504,400	$ 504,400
Outstanding principal balance				44,500	44,500
Unamortized debt issuance costs				$ 200	$ 200
Maturity date					Dec. 31, 2024
Interest rate				0.125%	0.125%	0.125%	0.125%
Effective interest rate				0.50%	0.50%
Conversion price per share (in dollars per share)				$ 83.28	$ 83.28
Effective conversion price per share with call spread (in dollars per share)				$ 123.38	$ 123.38
Total shares of common stock subject to conversion (in shares)				0.5	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 [Member] | Other Income [Member]
Convertible Debt [Abstract]
Gain on early retirement of debt				$ 2,100	$ 13,400