Summary of Significant Accounting Policies (Details 1) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||||||||||
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | |||||||||||
Debt, fair value | $ 4,066,755 | $ 3,055,076 | |||||||||
Debt, carrying value | 3,601,595 | 2,435,220 | [1] | ||||||||
Sirius XM Radio Inc. [Member]
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Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | |||||||||||
Loss on fair value of debt and equity instruments | 464,102 | 0 | 0 | ||||||||
Debt, carrying value | 4,068,410 | ||||||||||
Sirius XM Canada [Member]
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Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | |||||||||||
Investment balance, carrying value | 26,972 | [2] | 37,983 | [2] | |||||||
Investment balance, fair value | 432,200 | 290,900 | |||||||||
Related Party Current Liabilities [Member] | Liberty Media [Member] | Level 2 [Member] | Sirius XM Holdings Inc. [Member]
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Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | |||||||||||
Derivatives asset (liability), fair value | (15,702) | ||||||||||
7% Exchangeable Senior Subordinated Notes due 2014 [Member]
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Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | |||||||||||
Interest rate on instrument | 7.00% | 7.00% | 7.00% | ||||||||
7% Exchangeable Senior Subordinated Notes due 2014 [Member] | Sirius XM Radio Inc. [Member]
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Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | |||||||||||
Loss on fair value of debt and equity instruments | 466,815 | ||||||||||
7% Exchangeable Senior Subordinated Notes due 2014 [Member] | Level 2 [Member] | Sirius XM Radio Inc. [Member]
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Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | |||||||||||
Convertible debt, fair value | $ 466,815 | [3] | |||||||||
7% Exchangeable Senior Subordinated Notes due 2014 [Member] | Liberty Media [Member]
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Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | |||||||||||
Interest rate on instrument | 7.00% | 7.00% | |||||||||
8% Convertible Unsecured Subordinated Debentures [Member] | Sirius XM Canada [Member]
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Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | |||||||||||
Interest rate on instrument | 8.00% | ||||||||||
8% Convertible Unsecured Subordinated Debentures [Member] | Sirius XM Canada [Member] | Level 3 [Member]
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Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | |||||||||||
Interest rate on instrument | 8.00% | ||||||||||
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