XML 67 R57.htm IDEA: XBRL DOCUMENT v3.10.0.1
Commitments and Contingencies - Future Minimum Lease Payments under Operating Leases (Detail)
$ in Thousands
Jun. 30, 2018
USD ($)
Commitments And Contingencies Disclosure [Abstract]  
2018 $ 728
2019 1,491
2020 1,533
2021 1,576
2022 1,447
2023 1,203
Total $ 7,978