Long-Term Debt - Minimum Lease Payments for Assets Financed under Capital Lease Arrangements (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Debt Disclosure [Abstract] | ||
| 2016 | $ 480 | |
| 2017 | 0 | |
| 2018 | 0 | |
| 2019 | 0 | |
| 2020 | 0 | |
| Thereafter | 0 | |
| Total minimum lease payments under capital lease obligations | 480 | |
| Less: future interest expense | (11) | |
| Net minimum lease payments under capital leases obligations | 469 | |
| Less: current portion of net minimum lease payments | (469) | $ (917) |
| Long-term net minimum lease payments | $ 0 | $ 467 |