Details of Certain Balance Sheet Accounts - Other Current Assets (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Details Of Certain Balance Sheet Accounts [Abstract] | ||
| Payroll Tax Escrow | $ 6,200 | $ 1,000 |
| Medicare Withholds | 0 | 100 |
| Income tax receivable | 500 | 15,000 |
| Due from joint ventures | 1,800 | 1,400 |
| Other | 6,100 | 2,200 |
| Other current assets | $ 14,641 | $ 19,708 |