Income Taxes - Provision (Benefit) for Income Taxes (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Current | |||
| Federal | $ 0 | $ 0 | $ 0 |
| State | 600 | 600 | 600 |
| Foreign | 100 | ||
| Gross | 600 | 600 | 700 |
| Deferred | |||
| Federal | 12,000 | 12,800 | 15,000 |
| State | 500 | 3,000 | 2,700 |
| Gross | 12,500 | 15,800 | 17,700 |
| Total provision (benefit) for taxes | $ 13,121 | $ 16,414 | $ 18,444 |