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Related Party Activities - Additional Information (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Feb. 28, 2019
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
New Tech Global Ventures LLC          
Related Party Transaction [Line Items]          
Cost of consultancy services   $ 0.4 $ 0.5 $ 0.7 $ 1.3
Affiliated Entity          
Related Party Transaction [Line Items]          
Payments to acquire land $ 2.0