v3.19.1
Future Minimum Lease Payments Under Operating Leases (Detail)
$ in Thousands
Dec. 31, 2018
USD ($)
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]  
2019 $ 2,243
2020 2,573
2021 2,659
2022 2,502
2023 2,534
Thereafter 1,922
Total $ 14,433