Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment, Net - Additional Information (Details)

v3.10.0.1
Property and Equipment, Net - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Property Plant And Equipment [Abstract]        
Depreciation $ 0.2 $ 0.1 $ 0.4 $ 0.1