Fair Value Measurements - Summary of Significant Quantitative Inputs Used in the Valuation of the Preferred Stock Tranche Rights (Detail) - Preferred Stock Tranche Rights	Dec. 31, 2021 $ / shares
Implied fair value of Series A-1 Preferred Stock
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Preferred stock tranche rights, fair value	$ 2.35
Time to milestone event
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Preferred stock tranche rights, measurement input, term	0 years
Probability of tranche closing
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Preferred stock tranche rights, measurement input, percent	1