Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
Leases, Other Commitments, and Contingencies - Additional Information (Detail) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Other Commitments [Line Items]    
Restricted cash $ 1,434 $ 1,516
Forward purchase noncancelable commitments amount $ 30,800  
Equipment [Member]    
Other Commitments [Line Items]    
Lease term 4 years  
Restricted cash $ 1,400