Total Income Tax Expense (Benefit) (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Income Tax Disclosure [Abstract] | |||
| Pretax (loss) income at federal statutory rate | $ (207,317) | $ 7,707 | $ (8,698) |
| State income tax (benefit) expense, net federal (benefit) expense | (1,385) | 992 | (209) |
| Meals and entertainment | 380 | 424 | 291 |
| Acquisition costs | 0 | 0 | 399 |
| Change in state tax rates | 1,605 | (1,580) | 296 |
| Section 162 disallowance | 110 | 562 | 140 |
| Impairment charges on goodwill with no tax basis | 153,371 | 0 | 0 |
| Increase (decrease) in valuation allowance | 190 | 2,189 | (61,512) |
| Other | 7,206 | (40) | 829 |
| Net income tax (benefit) expense | $ (45,840) | $ 10,254 | $ (68,464) |