Intangible Assets - Schedule of Future Amortization Related to Intangible Assets (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] | ||
| 2016 | $ 1,928 | |
| 2017 | 1,826 | |
| 2018 | 1,685 | |
| 2019 | 1,390 | |
| 2020 | 1,299 | |
| Thereafter | 7,203 | |
| Total | $ 15,331 | $ 11,167 |