Fair Value of Financial Assets and Liabilities - Schedule of Assets and Liabilities Measured at Fair Value (Detail) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Cash equivalents	$ 81,873	$ 73,028
Fair value of derivative liability	47,189	23,141
US Treasury Securities
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Cash equivalents	3,971
Money Market Funds
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Cash equivalents	73,021
US Treasury Bill Securities
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Cash equivalents	4,881
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	47,179	23,131
Level 1
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Cash equivalents	73,021	70,170
Fair value of derivative liability	0	0
Level 1 | US Treasury Securities
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Cash equivalents	0
Level 1 | Money Market Funds
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Cash equivalents	73,021
Level 1 | US Treasury Bill Securities
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Cash equivalents	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	8,852	2,858
Fair value of derivative liability	0	0
Level 2 | US Treasury Securities
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Cash equivalents	3,971
Level 2 | Money Market Funds
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Cash equivalents	0
Level 2 | US Treasury Bill Securities
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Cash equivalents	4,881
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	47,189	23,141
Level 3 | US Treasury Securities
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Cash equivalents	0
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
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	$ 47,179	$ 23,131