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Fair Value Measurements - Summary of Financial Instruments Measured at Fair Value on Recurring Basis (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investments, fair value disclosure $ 299,434 $ 324,782
Money market funds    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investments, fair value disclosure 23,543 20,895
Certificates of deposit    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investments, fair value disclosure 13,319 7,929
U.S. Treasury securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investments, fair value disclosure 235,077 265,966
U.S. Government agency securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investments, fair value disclosure 27,495 29,992
Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investments, fair value disclosure 271,939 294,790
Quoted Prices in Active Markets for Identical Assets (Level 1) | Money market funds    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investments, fair value disclosure 23,543 20,895
Quoted Prices in Active Markets for Identical Assets (Level 1) | Certificates of deposit    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investments, fair value disclosure 13,319 7,929
Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. Treasury securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investments, fair value disclosure 235,077 265,966
Significant Other Observable Inputs (Level 2)    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investments, fair value disclosure 27,495 29,992
Significant Other Observable Inputs (Level 2) | U.S. Government agency securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investments, fair value disclosure $ 27,495 $ 29,992