Income Taxes - Schedule of Income Tax Provision (Benefit) Attributable to Operations (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Current | |||
| U.S. Federal income tax | $ 229 | $ 162 | $ 95 |
| State and local income tax | 1,199 | 1,072 | 1,499 |
| Foreign income taxes | 293 | 435 | 1,448 |
| Total current income tax provision | 1,721 | 1,669 | 3,042 |
| Deferred | |||
| U.S. Federal income tax | (9) | 39 | (11) |
| State and local income tax | (388) | (48) | 1,618 |
| Foreign income taxes | 784 | 156 | 860 |
| Total deferred income tax provision | 387 | 147 | 2,467 |
| Total income tax provision (benefit) | $ 2,108 | $ 1,816 | $ 5,509 |