Property and Equipment, Net - Depreciation Expense Table (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Depreciation Expense [Line Items]
Depreciation expense			$ 11,980	$ 10,830
Continuing Operations [Member]
Depreciation Expense [Line Items]
Depreciation expense	$ 6,040	$ 5,750	11,980	10,830
Cost of Sales [Member] | Continuing Operations [Member]
Depreciation Expense [Line Items]
Depreciation expense	5,240	5,020	10,470	9,380
Selling, General and Administrative Expenses [Member] | Continuing Operations [Member]
Depreciation Expense [Line Items]
Depreciation expense	$ 800	$ 730	$ 1,510	$ 1,450