v3.22.2.2
Fair Value Measurements - Summary of Financial Assets Measured at Fair Value on Recurring Basis by Level within Fair Value Hierarchy (Detail) - Fair Value, Recurring - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Amortized Costs $ 194,694 $ 218,167
Gross Unrealized Holding Gains 2 2
Gross Unrealized Holding Losses (936) (185)
Aggregate Fair Value 193,760 217,984
Level 1 | Short-term investments | U.S. Treasury securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Amortized Costs 92,588 18,064
Gross Unrealized Holding Gains 2  
Gross Unrealized Holding Losses (607) (60)
Aggregate Fair Value 91,983 18,004
Level 1 | Cash equivalents | Money market funds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Amortized Costs 30,120 60,844
Aggregate Fair Value 30,120 60,844
Level 2 | Short-term investments | Commercial paper    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Amortized Costs 32,094 15,081
Aggregate Fair Value 32,094 15,081
Level 2 | Short-term investments | Corporate debt    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Amortized Costs 39,892 124,178
Gross Unrealized Holding Gains   2
Gross Unrealized Holding Losses (329) (125)
Aggregate Fair Value $ 39,563 $ 124,055