Annual report pursuant to Section 13 and 15(d)

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

v3.8.0.1
Related Party Transactions - Schedule of Related Party Revenue and Other Income, Additional Information (Details) - USD ($)
$ in Thousands
5 Months Ended 12 Months Ended
May 24, 2017
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Related Party Transaction [Line Items]        
Amortization of intangible assets   $ 37,455 $ 48,545 $ 51,700
Sirius XM Canada | Equity Method Investee        
Related Party Transaction [Line Items]        
Earning recognition lag period 1 month      
Amortization of intangible assets   1,501    
Equity method investment, dividends, including reduction of investment   $ 3,796 $ 7,548 $ 15,645
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%