Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Details)

v3.10.0.1
Commitments and Contingencies - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2018
Commitments and Contingencies Disclosure [Abstract]    
Operating leases expense $ 1.0 $ 1.2