Quarterly report pursuant to Section 13 or 15(d)

Vehicles, net (Details)

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Vehicles, net (Details) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Property, Plant and Equipment [Line Items]          
Vehicles, net $ 107,056,000   $ 107,056,000   $ 100,088,000
Accumulated impairment, long-lived asset, held-for-use         54,300,000
Impairment of assets 0 $ 0 0 $ 215,822,000  
Depreciation on sharing vehicles 9,411,000 $ 11,681,000 26,929,000 $ 39,045,000  
Vehicles, net          
Property, Plant and Equipment [Line Items]          
Less: Accumulated depreciation (67,880,000)   (67,880,000)   (94,490,000)
Vehicles, net 107,056,000   107,056,000   100,088,000
Vehicles in use          
Property, Plant and Equipment [Line Items]          
Property, plant and equipment, gross 123,569,000   123,569,000   134,202,000
Vehicles not yet in use          
Property, Plant and Equipment [Line Items]          
Property, plant and equipment, gross 22,967,000   22,967,000   31,900,000
Spare parts          
Property, Plant and Equipment [Line Items]          
Property, plant and equipment, gross $ 28,400,000   $ 28,400,000   28,476,000
Less: Accumulated depreciation         $ (7,800,000)