Other Intangible Assets - Schedule Estimated Aggregate Future Amortization Expenses for Other Intangible Assets (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Goodwill and Intangible Assets Disclosure [Abstract] | ||
| 2016 | $ 970 | |
| 2017 | 925 | |
| 2018 | 657 | |
| 2019 | 657 | |
| 2020 | 47 | |
| Intangible Assets, net | $ 3,256 | $ 4,226 |