XML 49 R38.htm IDEA: XBRL DOCUMENT v3.19.1
Leases - Summary of Future Minimum Payments Due Under Operating Leases (Detail)
$ in Thousands
Dec. 31, 2018
USD ($)
Operating Leases Future Minimum Payments Due [Abstract]  
2019 $ 1,361
2020 1,054
2021 995
2022 1,107
2023 1,123
Thereafter 2,246
Total $ 7,886