Convertible Notes, Net - Additional Information (Detail) - USD ($)		1 Months Ended	6 Months Ended
	May 05, 2022	Mar. 31, 2022	Jun. 30, 2022	Jun. 30, 2021	Jan. 01, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Repayments of convertible notes			$ 402,500,000	$ 0
Share price (in dollars per share)			$ 27.67
Decrease to additional paid-in capital			$ (5,440,364,000)			$ (5,373,029,000)
Accumulated deficit			(811,554,000)			(794,832,000)
Accrued interest payable			55,334,000			29,851,000
Cumulative Effect, Period of Adoption, Adjustment | Accounting Standards Update 2020-06
Debt Instrument [Line Items]
Decrease to additional paid-in capital					$ 2,400,000
Accumulated deficit					2,000,000.0
Increase to convertible notes, net					$ 476,000
5.50% Convertible Senior Notes
Debt Instrument [Line Items]
Face Value			$ 300,000,000.0
Interest Rate			5.50%
4.38% Convertible Senior Notes
Debt Instrument [Line Items]
Repayments of convertible notes	$ 337,900,000	$ 64,700,000
Redemption price percentage			100.25%
Convertible Senior Notes
Debt Instrument [Line Items]
Accrued interest payable			$ 7,300,000			$ 6,000,000