Annual report pursuant to Section 13 and 15(d)

Vehicles, net - (Details)

v3.22.0.1
Vehicles, net - (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Property, Plant and Equipment [Line Items]    
Less: Accumulated depreciation $ (4,497) $ (4,600)
Property and equipment, net 1,526 4,152
Depreciation 2,800 4,600
Deployed vehicles    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 93,192 69,944
Undeployed vehicles    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 46,867 24,676
Spare parts    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 10,009 15,000
Vehicles    
Property, Plant and Equipment [Line Items]    
Less: Accumulated depreciation (31,119) (28,515)
Property and equipment, net 118,949 81,105
Depreciation $ 47,300 $ 23,800