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Segments (Details Textual) (USD $)
3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Segment
Jun. 30, 2011
Jun. 30, 2011
Telesat [Member]
Jun. 30, 2012
Telesat [Member]
Jun. 30, 2011
Telesat [Member]
Dec. 31, 2011
Telesat [Member]
Segment (Textual) [Abstract]                
Revenue from related parties $ 22,427,000 $ 33,594,000 $ 46,583,000 $ 75,845,000 $ 33,600,000 $ 46,700,000 $ 75,800,000  
Equity Method Investee Goodwill           $ 2,400,000,000   $ 2,400,000,000
Unconsolidated segment revenue eliminated         100.00% 100.00% 100.00%  
Percentage of ownership interest           64.00%    
Number of operating segments     2