Quarterly report pursuant to Section 13 or 15(d)

Leases, Other Commitments, and Contingencies - Additional Information (Detail)

v3.21.2
Leases, Other Commitments, and Contingencies - Additional Information (Detail) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Sep. 30, 2020
Other Commitments [Line Items]      
Restricted cash $ 393 $ 393 $ 393
Forward purchase noncancelable commitments amount $ 100    
Equipment [Member]      
Other Commitments [Line Items]      
Lease term 4 years    
Restricted cash $ 1,000