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Summary of Significant Accounting Policies (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||||||||
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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Dec. 31, 2012
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| Accounting Policies [Abstract] | ||||||||||
| Carrying value of debt | $ 3,249,777 | $ 3,249,777 | $ 2,435,220 | |||||||
| Fair value approximated on debt | 3,803,074 | 3,803,074 | 3,055,076 | |||||||
| Related Party Transaction [Line Items] | ||||||||||
| Accumulated other comprehensive (loss) income, net of tax | (161) | (161) | 120 | |||||||
| Foreign currency translation adjustment (loss), net of tax | (109) | 18 | (281) | (38) | ||||||
| Foreign currency translation adjustment, tax (benefit) | (57) | (140) | ||||||||
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Sirius XM Canada [Member]
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| Related Party Transaction [Line Items] | ||||||||||
| Investment balance, carrying value | 31,852 | [1] | 31,852 | [1] | 37,983 | [1] | ||||
| Investment balance, fair value | $ 310,300 | $ 310,300 | $ 290,900 | |||||||
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| X | ||||||||||
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- Definition
Long-term Debt and Capital Lease Obligations, Current and Noncurrent No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Fair value portion of investments accounted under the equity method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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