Property and Equipment, Net - Depreciation Expense Table (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Depreciation Expense [Line Items]
Depreciation expense			$ 17,710	$ 16,430
Continuing Operations [Member]
Depreciation Expense [Line Items]
Depreciation expense	$ 5,730	$ 5,600	17,710	16,430
Cost of Sales [Member] | Continuing Operations [Member]
Depreciation Expense [Line Items]
Depreciation expense	5,120	4,950	15,590	14,330
Selling, General and Administrative Expenses [Member] | Continuing Operations [Member]
Depreciation Expense [Line Items]
Depreciation expense	$ 610	$ 650	$ 2,120	$ 2,100