v3.19.1
Commitments and Contingencies - Schedule of Aggregate Future Minimum Payments Required Obligations (Detail)
$ in Thousands
Dec. 31, 2018
USD ($)
Commitments And Contingencies Disclosure [Abstract]  
Operating Lease Obligations, Payments due by period Total $ 7,322
Operating Lease Obligations, Payments due by period Less than 1 year 1,611
Operating Lease Obligations, Payments due by period 1-3 years 2,453
Operating Lease Obligations, Payments due by period 4-5 years 1,664
Operating Lease Obligations, Payments due by period More than 5 years $ 1,594