Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Payables and Accruals [Abstract]
Accrued payroll	$ 5,237	$ 3,966
Accrued construction in progress and equipment	1,235	4,822
Accrued occupancy costs	8,091	7,493
Accrued insurance claims	2,346	2,065
Accrued other	9,130	8,356
Accrued Liabilities, Current	$ 26,039	$ 26,702