Convertible Senior Notes - Additional Information (Detail) $ in Thousands		3 Months Ended		9 Months Ended
	Jul. 19, 2019 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) Days	Sep. 30, 2021 USD ($)	Jan. 01, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jul. 31, 2019 USD ($)
Debt Instrument [Line Items]
Contractual interest expense		$ 270	$ 270	$ 809	$ 809
Amortization of debt discount				1,360	8,592
Amortization of the debt issuance costs		$ 455	$ 361	$ 1,360	$ 1,070
Effective interest rate of the liability component		1.00%	5.10%	1.00%	5.10%
Debt Instrument, Convertible, Threshold Trading Days | Days				20
Debt Instrument, Convertible, Threshold Consecutive Trading Days | Days				30
Deferred Tax Liabilities						$ 6,400
Additional paid-in capital		$ 1,541,272		$ 1,541,272			$ 1,572,340
Repayment of convertible debt				18	$ 9
0.375% Convertible Senior Notes due 2024
Debt Instrument [Line Items]
Notes issued		$ 287,500		$ 287,500				$ 287,500
Notes, interest rate		0.375%		0.375%
Proceeds from issuance of convertible senior notes, net of costs	$ 278,500
Interest repayment terms				Interest is payable semi-annually in arrears on January 15 and July 15 of each year, beginning on January 15, 2020.
Notes, due date				Jul. 15, 2024
Amortization of debt discount				$ 22,900
Notes, carrying value		$ 284,165		284,165			255,258
Fair value of the note		494,600		494,600			$ 678,500
Additional Notes issued		37,500		$ 37,500
Discount Rate				4.50%
Debt instrument amount convertible into equity		25,000		$ 25,000
Loss on conversion of debt included in other expenses				$ 14,000
Notes threshold percentage of stock price trigger				130.00%
Convertible Notes Transaction Costs Of Liability Component				$ 7,400
Convertible Notes Transaction Costs Of Equity Component		1,600		1,600
Deferred Tax Liabilities		11,400		11,400
Additional paid-in capital		$ 52,100		52,100
Net adjustment for the initial				$ 50,400