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Cash, Cash Equivalents, Restricted Cash and Marketable Securities - Reconciliation of Cash, Cash Equivalents and Restricted Cash (Detail) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]        
Cash and cash equivalents $ 436,189 $ 32,073 $ 39,884  
Restricted cash 219 237 216  
Total cash, cash equivalents and restricted cash shown in the consolidated statements of cash flows $ 436,408 $ 32,310 $ 40,100 $ 49,967