Commitments and Contingencies - Future Minimum Commitment on the Remaining Operating Lease (Detail) $ in Thousands |
Dec. 31, 2015
USD ($)
|
|---|---|
| Commitments and Contingencies Disclosure [Abstract] | |
| 2016 | $ 318 |
| 2017 | 318 |
| 2018 | 318 |
| 2019 | 318 |
| 2020 | 318 |
| Thereafter | 503 |
| Total operating lease | $ 2,093 |