Investments in Affiliates (Equity in Net Income (Losses) of Affiliates) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Schedule of Equity Method Investments [Line Items]
Equity in net income (loss) of affiliates	$ (19,283)	$ 33,358	$ 42,911	$ 26,209
Telesat Holdings Inc [Member]
Schedule of Equity Method Investments [Line Items]
Equity in net income (loss) of affiliates	(17,240)	34,242	48,226	34,242
XTAR, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Equity in net income (loss) of affiliates	(2,043)	(1,569)	(5,315)	(5,068)
Other Affiliates [Member]
Schedule of Equity Method Investments [Line Items]
Equity in net income (loss) of affiliates		$ 685		$ (2,965)