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