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Cash, Cash Equivalents, Restricted Cash And Investments - Summary of Unrealized Gains and Losses and Estimated Fair Value of Cash Equivalents and Investments (Detail) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Cash and Cash Equivalents [Line Items]    
Amortized Cost $ 366,111 $ 460,303
Gross Unrealized Gains 341 349
Gross Unrealized Losses (171) (2,306)
Estimated Fair Value 366,281 458,346
Cash and money market funds [Member]    
Cash and Cash Equivalents [Line Items]    
Amortized Cost 33,204 25,131
Gross Unrealized Gains 0 0
Gross Unrealized Losses 0 0
Estimated Fair Value 33,204 25,131
Commercial Paper [Member]    
Cash and Cash Equivalents [Line Items]    
Amortized Cost 0 16,374
Gross Unrealized Gains 0 0
Gross Unrealized Losses 0 (14)
Estimated Fair Value 0 16,360
Corporate Notes And Bonds [Member]    
Cash and Cash Equivalents [Line Items]    
Amortized Cost 45,823 176,793
Gross Unrealized Gains 22 38
Gross Unrealized Losses (53) (1,854)
Estimated Fair Value 45,792 174,977
Municipal Bonds [Member]    
Cash and Cash Equivalents [Line Items]    
Amortized Cost 0 4,990
Gross Unrealized Gains 0 0
Gross Unrealized Losses 0 (43)
Estimated Fair Value 0 4,947
US Government Corporations and Agencies Securities [Member]    
Cash and Cash Equivalents [Line Items]    
Amortized Cost 287,084 237,015
Gross Unrealized Gains 319 311
Gross Unrealized Losses (118) (395)
Estimated Fair Value $ 287,285 $ 236,931