Investments in Affiliates (Equity in Net Income (Losses) of Affiliates) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Schedule of Equity Method Investments [Line Items]
Equity in net income (loss) of affiliates	$ 64,363	$ 132	$ 62,194	$ (7,149)
Telesat Holdings Inc [Member]
Schedule of Equity Method Investments [Line Items]
Equity in net income (loss) of affiliates	66,150	718	65,466
XTAR, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Equity in net income (loss) of affiliates	(1,787)	(1,736)	(3,272)	(3,499)
Other Affiliates [Member]
Schedule of Equity Method Investments [Line Items]
Equity in net income (loss) of affiliates		$ 1,150		$ (3,650)