Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Details)

v3.5.0.2
Commitments and Contingencies - Additional Information (Details) - USD ($)
 1 Months Ended 6 Months Ended
Apr. 05, 2016
Aug. 31, 2013
Jun. 30, 2016
Telephone Consumer Protection Act Suits | Pending Litigation      
Loss Contingencies [Line Items]      
Settlement of lawsuit $ 35,000,000    
Period of optional, uncharged service offer 3 months    
Maximum      
Loss Contingencies [Line Items]      
Operating lease obligations, term     15 years
Maximum | Sound Exchange, Inc | Pending Litigation      
Loss Contingencies [Line Items]      
Compensatory damages sought   $ 100,000,000  
Minimum      
Loss Contingencies [Line Items]      
Operating lease obligations, term     1 year
Minimum | Sound Exchange, Inc | Pending Litigation      
Loss Contingencies [Line Items]      
Compensatory damages sought   $ 50,000,000  
XM-5, FM-5, FM-6, XM-3, and XM-4      
Loss Contingencies [Line Items]      
Operating performance over design life     15 years
XM-4      
Loss Contingencies [Line Items]      
Period beyond expected operating performance of design life for XM-4     5 years
XM-4 | Maximum      
Loss Contingencies [Line Items]      
Additional payments required if XM-4 continues to operate above baseline specifications     $ 10,000,000