Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment, Net - Additional Information (Details)

v3.19.3
Property and Equipment, Net - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Property, Plant and Equipment [Abstract]        
Depreciation expense $ 0.9 $ 0.8 $ 2.7 $ 2.4