Prepaid Expenses and Other Current Assets and Other Accrued Liabilities (Schedule of Prepaid Expenses and Other Current Assets) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Prepaid Expense and Other Assets, Current [Abstract]
Spare parts	$ 12,620	$ 13,643
Licenses	7,840	5,881
Electronic devices inventory	6,057	5,259
Income taxes receivable	1,936	113
Prepaid rent	1,566	1,446
DVD cases and labels	1,041	1,330
Other	11,346	12,165
Total prepaid and other current assets	$ 42,406	$ 39,837