Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Details)

v3.8.0.1
Commitments and Contingencies - Additional Information (Details)
 1 Months Ended 9 Months Ended
Aug. 31, 2013
USD ($)
Sep. 30, 2017
USD ($)
satellite
Loss Contingencies [Line Items]    
Number of replacement satellites | satellite   2
Sound Exchange, Inc    
Loss Contingencies [Line Items]    
Loss contingency liability   $ 0
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  
Estimate of possible loss   $ 0
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  
Estimate of possible loss   $ 85,000,000
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