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Fair Value of Financial Assets and Liabilities - Schedule of Assets and Liabilities Measured at Fair Value (Detail) - Fair Value, Measurements, Recurring - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Cash equivalents $ 72,859 $ 96,841
Fair value of derivative liability 29,448 15,693
Money Market Funds    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Cash equivalents 52,483 81,841
US Treasury Bill Securities    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Cash equivalents 20,376 15,000
Embedded derivative liability    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Fair value of derivative liability 10 10
Class C Warrant Liability    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Fair value of derivative liability 29,438 15,683
Level 1    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Cash equivalents 52,483 76,856
Fair value of derivative liability 0 0
Level 1 | Money Market Funds    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Cash equivalents 52,483  
Level 1 | US Treasury Bill Securities    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Cash equivalents 0 0
Level 1 | Embedded derivative liability    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Fair value of derivative liability 0 0
Level 1 | Class C Warrant Liability    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Fair value of derivative liability 0 0
Level 2    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Cash equivalents 20,376 19,985
Fair value of derivative liability 0 0
Level 2 | Money Market Funds    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Cash equivalents 0 4,985
Level 2 | US Treasury Bill Securities    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Cash equivalents 20,376 15,000
Level 2 | Embedded derivative liability    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Fair value of derivative liability 0 0
Level 2 | Class C Warrant Liability    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Fair value of derivative liability 0 0
Level 3    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Cash equivalents 0 0
Fair value of derivative liability 29,448 15,693
Level 3 | Money Market Funds    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Cash equivalents 0  
Level 3 | US Treasury Bill Securities    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Cash equivalents 0 0
Level 3 | Embedded derivative liability    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Fair value of derivative liability 10 10
Level 3 | Class C Warrant Liability    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Fair value of derivative liability $ 29,438 $ 15,683