v3.3.1.900

Quarterly Financial Data (Unaudited) - Explanatory (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Segment Reporting |  |  |  |  |  |
Income Tax Expense (Benefit) |  |  |  | $ 72,201 | $ 30,784 | $ (37,437)
Variance As Compared To Prior Quarter |  |  |  |  |  |
Segment Reporting |  |  |  |  |  |
Income Tax Expense (Benefit) |  | $ (23,200) |  |  |  |
TerreStar Networks Inc. (TerreStar) | Exchangeable Notes | Other, net |  |  |  |  |  |
Segment Reporting |  |  |  |  |  |
Gain on investments account for at fair value | $ 5,800 |  | $ 5,800 |  |  |

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