General form of registration statement for all companies including face-amount certificate companies

Fair Value Measurements - Summary of Black-Scholes Option Pricing Model (Detail)

v3.22.2
Fair Value Measurements - Summary of Black-Scholes Option Pricing Model (Detail) - Convertible preferred stock warrant liability [Member]
Mar. 31, 2022
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Dec. 31, 2021
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Dec. 31, 2020
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Series A Convertible Preferred Stock Warrants | Expected term (in years)      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights | yr 4.67 3.72 2
Series A Convertible Preferred Stock Warrants | Fair value of underlying shares      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights | shares 6.59 10 7.43
Series A Convertible Preferred Stock Warrants | Volatility      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights 68.14 65.07 0.8804
Series A Convertible Preferred Stock Warrants | Risk-free interest rate      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights 2.42 1.01 0.0013
Series A Convertible Preferred Stock Warrants | Dividend yield      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights 0 0 0
Series B Convertible Preferred Stock Warrants | Expected term (in years)      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights | yr 5.28 4.11 2
Series B Convertible Preferred Stock Warrants | Fair value of underlying shares      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights | shares 6.59 10.08 7.63
Series B Convertible Preferred Stock Warrants | Volatility      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights 67.75 64.9 0.8804
Series B Convertible Preferred Stock Warrants | Risk-free interest rate      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights 2.42 1.04 0.0013
Series B Convertible Preferred Stock Warrants | Dividend yield      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights 0 0 0
Series C Convertible Preferred Stock Warrants | Expected term (in years)      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights | yr 6 4.59 2
Series C Convertible Preferred Stock Warrants | Fair value of underlying shares      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights | shares 6.59 10.23 7.97
Series C Convertible Preferred Stock Warrants | Volatility      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights 67.43 64.83 0.8804
Series C Convertible Preferred Stock Warrants | Risk-free interest rate      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights 2.41 1.09 0.0013
Series C Convertible Preferred Stock Warrants | Dividend yield      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights 0 0 0
Series D Convertible Preferred Stock Warrants | Expected term (in years)      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights | yr 4.14 3.38 2
Series D Convertible Preferred Stock Warrants | Fair value of underlying shares      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights | shares 6.59 11.11 9.82
Series D Convertible Preferred Stock Warrants | Volatility      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights 68.75 65.29 0.8804
Series D Convertible Preferred Stock Warrants | Risk-free interest rate      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights 2.43 0.96 0.0013
Series D Convertible Preferred Stock Warrants | Dividend yield      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights 0 0 0