Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment - Additional Information (Detail)

v3.21.2
Property and Equipment - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Property Plant And Equipment [Line Items]          
Depreciation expense $ 1.6 $ 0.8 $ 3.1 $ 1.5  
Leasehold Improvements          
Property Plant And Equipment [Line Items]          
Asset retirement obligation, asset $ 0.7   $ 0.7   $ 0.8