Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment - Additional Information (Details)

v3.21.2
Property and Equipment - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Property Plant And Equipment [Line Items]        
Depreciation expense $ 0.2 $ 0.4 $ 0.7 $ 1.3
Automobiles | Selling, General and Administrative Expenses [Member]        
Property Plant And Equipment [Line Items]        
Gain on Sale of Property and Equipment     $ 0.5