Fair Value Measurements - Summary of Company's Cash, Cash Equivalents and Marketable Securities Held to Maturity (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Cash and money market funds
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents, Amortized Costs	$ 516,609	$ 523,458
Cash and cash equivalents, Estimated Fair Value	516,609	523,458
Cash and cash equivalents
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents, Amortized Costs	516,609	523,458
Cash and cash equivalents, Estimated Fair Value	516,609	523,458
U.S. treasury bills
Cash and Cash Equivalents [Line Items]
Marketable securities, Amortized Costs	101,409	100,299
Marketable securities, Gross Unrealized Gains	58	24
Marketable securities, Estimated Fair Value	101,467	100,323
Cash equivalents and marketable securities
Cash and Cash Equivalents [Line Items]
Marketable securities, Amortized Costs	618,018	623,757
Marketable securities, Gross Unrealized Gains	58	24
Marketable securities, Estimated Fair Value	$ 618,076	$ 623,781