Quarterly report pursuant to Section 13 or 15(d)

Operating Segments - Additional Information (Details)

v3.20.1
Operating Segments - Additional Information (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2020
segment
Vechicle
Mar. 31, 2019
Vechicle
Dec. 31, 2019
segment
Segment Reporting Information [Line Items]      
Number of operating segments 2   3
Number of corporate non-operating segments 1   1
Forty-Vehicle Ferry      
Segment Reporting Information [Line Items]      
Number of vehicle ferry projects | Vechicle 2 2