Total Provision For Income Taxes (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Income Tax Disclosure [Abstract] | |||
| Federal, current | $ 2,200 | $ (13,900) | $ (2,000) |
| State and local, current | 500 | (1,100) | 300 |
| Current income tax expense/(benefit) | 2,700 | (15,000) | (1,700) |
| Federal, deferred | (500) | 21,000 | (43,200) |
| State and local, deferred | (100) | 1,600 | (13,900) |
| Foreign, deferred | (100) | 100 | 0 |
| Deferred income taxes | (700) | 22,700 | (57,100) |
| Income tax (expense) benefit | $ 2,004 | $ 7,671 | $ (58,773) |