Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - Schedule of Related Party Revenue and Other Income, Additional Information (Details)

v3.10.0.1
Related Party Transactions - Schedule of Related Party Revenue and Other Income, Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 5 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
May 24, 2017
Sep. 30, 2018
Sep. 30, 2017
Related Party Transaction [Line Items]          
Amortization of intangible assets $ 5,738 $ 7,966   $ 17,462 $ 31,592
Sirius XM Canada | Equity Method Investee          
Related Party Transaction [Line Items]          
Earning recognition lag period     1 month    
Amortization of intangible assets $ 603     $ 1,838  
Sirius XM Canada | Equity Method Investee | Sirius Platform          
Related Party Transaction [Line Items]          
Percentage-based fee     10.00%    
Sirius XM Canada | Equity Method Investee | X M Platform          
Related Party Transaction [Line Items]          
Percentage-based fee     15.00%