Accounts Receivable, Net and Revenue Concentrations - AR by Significant Customer (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable	$ 98,748	$ 88,738
Accounts Receivable [Member] | DIRECTV [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable	$ 0	$ 9,277
Concentration Risk	0.00%	10.20%