Property and Equipment, Net - Depreciation Expense Table (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Depreciation Expense [Line Items]
Depreciation expense			$ 16,430	$ 15,350
Continuing Operations [Member]
Depreciation Expense [Line Items]
Depreciation expense	$ 5,600	$ 4,970	16,430	15,350
Cost of Sales [Member] | Continuing Operations [Member]
Depreciation Expense [Line Items]
Depreciation expense	4,950	4,330	14,330	13,160
Selling, General and Administrative Expenses [Member] | Continuing Operations [Member]
Depreciation Expense [Line Items]
Depreciation expense	$ 650	$ 640	$ 2,100	$ 2,190