Convertible Senior Notes - Narrative (Details) $ / shares in Units, shares in Millions	1 Months Ended		9 Months Ended
	Jun. 30, 2020 USD ($) day $ / shares shares	Mar. 31, 2018 USD ($) day $ / shares shares	Sep. 30, 2022 USD ($) shares	Jun. 30, 2022 USD ($)	Jan. 01, 2022 USD ($)	Dec. 31, 2021 USD ($)	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Release of valuation allowance			$ 346,863,000	$ 326,821,000		$ 489,218,000	$ 468,276,000	$ 464,127,000	$ 431,831,000
Deferred tax liabilities, net			14,000,000
Additional Paid-In Capital
Debt Instrument [Line Items]
Release of valuation allowance			$ 1,651,518,000	$ 1,568,922,000		1,637,157,000	$ 1,553,846,000	$ 1,492,117,000	$ 1,344,337,000
Cumulative effect, period of adoption, adjustment
Debt Instrument [Line Items]
Release of valuation allowance						(164,576,000)
Cumulative effect, period of adoption, adjustment | Additional Paid-In Capital
Debt Instrument [Line Items]
Release of valuation allowance						(245,690,000)
Cumulative effect, period of adoption, adjustment | Additional Paid-In Capital | Accounting Standards Update 2019-12
Debt Instrument [Line Items]
Release of valuation allowance						51,000,000
Convertible senior notes due 2025 | Cumulative effect, period of adoption, adjustment | Additional Paid-In Capital | Accounting Standards Update 2020-06
Debt Instrument [Line Items]
Release of valuation allowance					$ 36,000,000
Convertible senior notes due 2023
Debt Instrument [Line Items]
Debt discount for conversion option		$ 125,000,000
Effective interest rate			5.26%
Debt instrument, term			1 year
Debt issuance costs, gross			$ 14,000,000
Convertible senior notes due 2023 | Cumulative effect, period of adoption, adjustment | Additional Paid-In Capital | Accounting Standards Update 2020-06
Debt Instrument [Line Items]
Release of valuation allowance					$ 2,000,000
Convertible debt | Convertible senior notes due 2025
Debt Instrument [Line Items]
Aggregate principal amount	$ 1,150,000,000		$ 1,150,000,000
Interest rate	0.625%		0.625%
Proceeds from issuance of convertible senior notes, net of issuance costs	$ 1,129,000,000
Initial conversion rate of common stock	0.0091944
Conversion price (in usd per share) | $ / shares	$ 108.76
Limitation on sale of common stock, sale price threshold, number of trading days | day	20
Limitation on sale of common stock, sale price threshold, trading period | day	30
Threshold percentage of stock price trigger	130.00%
Number of consecutive business days	5 days
Percentage of closing sale price in excess of convertible notes	98.00%
Redemption price percentage	100.00%
Debt discount for conversion option	$ 220,000,000		$ 0			220,061,000
Effective interest rate			5.00%
Debt issuance costs, gross	21,000,000
Issuance costs attributable to the liability component	17,000,000		$ 11,528,000			12,667,000
Net deferred tax liability related to cap call	$ 51,000,000
Capped calls, initial cap price (in usd per share) | $ / shares	$ 164.17
Number of shares covered by cap call (in shares) | shares	10.6
Cost incurred related to capped calls	$ 130,000,000
Net proceeds used from offering to repurchase principal	618,000,000
Payments to repurchase convertible debt	426,000,000
Proceeds from convertible debt allocated to debt component	393,000,000
Proceeds from convertible debt allocated to equity component	225,000,000
Net carrying amount of liability component			1,138,472,000			979,350,000
Repayment of debt discount	$ 39,000,000
Principal outstanding			1,150,000,000			1,150,000,000
Convertible debt | Convertible senior notes due 2025 | Cumulative effect, period of adoption, adjustment | Accounting Standards Update 2020-06
Debt Instrument [Line Items]
Effective interest rate					1.00%
Net deferred tax liability related to cap call					$ (36,000,000)
Convertible debt | Convertible senior notes due 2023
Debt Instrument [Line Items]
Aggregate principal amount		$ 575,000,000	$ 31,000,000
Interest rate		0.25%	0.25%
Proceeds from issuance of convertible senior notes, net of issuance costs		$ 561,000,000
Initial conversion rate of common stock		0.0158554
Conversion price (in usd per share) | $ / shares		$ 63.07
Limitation on sale of common stock, sale price threshold, number of trading days | day		20
Limitation on sale of common stock, sale price threshold, trading period | day		30
Threshold percentage of stock price trigger		130.00%
Number of consecutive business days		5 days
Percentage of closing sale price in excess of convertible notes		98.00%
Redemption price percentage		100.00%
Debt discount for conversion option			$ 0			32,427,000
Issuance costs attributable to the liability component			$ 329,000			815,000
Capped calls, initial cap price (in usd per share) | $ / shares		$ 95.20
Number of shares covered by cap call (in shares) | shares		9.1	2.4
Cost incurred related to capped calls		$ 64,000,000
Net carrying amount of liability component		367,000,000	$ 148,865,000			139,738,000
Loss on early extinguishment of debt		$ 26,000,000
Principal outstanding			149,194,000			$ 149,194,000
Debt instrument, equity, unamortized discount issuance costs			$ 3,000,000
Number of shares terminated (in shares) | shares	6.7
Proceeds from shares terminated	$ 83,000,000
Convertible debt | Convertible senior notes due 2023 | Cumulative effect, period of adoption, adjustment | Accounting Standards Update 2020-06
Debt Instrument [Line Items]
Effective interest rate					0.73%
Net deferred tax liability related to cap call					$ (2,000,000)