| Related Party Transactions - Schedule of Related Party Revenue and Other Income Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | |
|---|---|---|
| Mar. 31, 2017 | Mar. 31, 2016 | |
| Related Party Transaction [Line Items] | ||
| Dividend received from unconsolidated entity investment | $ 3,606 | $ 3,386 | 
| Sirius XM Canada | ||
| Related Party Transaction [Line Items] | ||
| Earning recognition lag period | 1 month | |
| Dividend received from unconsolidated entity investment | $ 3,796 | $ 3,575 | 
| Sirius XM Canada | Sirius Platform | ||
| Related Party Transaction [Line Items] | ||
| Percentage-based royalty | 10.00% | |
| Sirius XM Canada | X M Platform | ||
| Related Party Transaction [Line Items] | ||
| Percentage-based royalty | 15.00% | |
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- Definition This item represents disclosure of the amount of dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporation; these investments are accounted for under the equity method of accounting. This element excludes distributions that constitute a return of investment, which are classified as investing activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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