Quarterly report pursuant to Section 13 or 15(d)

Business & Basis of Presentation - Additional Information 1 (Details)

v3.3.0.814
Business & Basis of Presentation - Additional Information 1 (Details)
9 Months Ended
Sep. 30, 2015
Line
segment
Accounts Notes And Loans Receivable [Line Items]  
Number of satellite radio systems | Line 2
Number of reportable segments 1
Minimum [Member]  
Accounts Notes And Loans Receivable [Line Items]  
Length of prepaid subscriptions, term 3 months
Maximum [Member]  
Accounts Notes And Loans Receivable [Line Items]  
Length of prepaid subscriptions, term 12 months