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Fair value measurements - Summary of Changes in Fair Value of the Derivative Warrant Liabilities (Detail)

v3.21.2
Fair value measurements - Summary of Changes in Fair Value of the Derivative Warrant Liabilities (Detail) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2021
Sep. 30, 2021
Sep. 30, 2020
Change in fair value of warrant liabilities         $ 10,000 $ 0
LEO HOLDINGS III CORP [Member]            
Change in fair value of warrant liabilities $ (4,225,000)     $ (811,667)    
Level 3 [Member] | Convertible Notes [Member]            
Fair Value Measurement Adjustments [Abstract]            
Balance as of December 31, 2020         0  
Additions         26,050,000  
Fair value measurement adjustments         5,067,000  
Balance as of September 30, 2021 31,117,000     31,117,000 31,117,000  
Level 3 [Member] | Warrant Liability [Member]            
Fair Value Measurement Adjustments [Abstract]            
Balance as of December 31, 2020         0  
Additions         1,415,000  
Fair value measurement adjustments         10,000  
Balance as of September 30, 2021 1,425,000     1,425,000 1,425,000  
Level 3 [Member] | LEO HOLDINGS III CORP [Member]            
Beginning balance 6,186,666 $ 7,745,000 $ 0 0    
Issuance of Public and Private Warrants     9,153,333      
Public Warrants transferred to Level 1   (3,905,000)        
Change in fair value of warrant liabilities (2,080,000) 2,346,666 (1,408,333)      
Ending balance $ 4,106,666 $ 6,186,666 $ 7,745,000 $ 4,106,666 $ 4,106,666