Investments in Affiliates (Equity in Net Income (Losses) of Affiliates) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Schedule of Equity Method Investments [Line Items]
Equity in net income (loss) of affiliates	$ (2,169)	$ (7,281)
Telesat Holdings Inc [Member]
Schedule of Equity Method Investments [Line Items]
Equity in net income (loss) of affiliates	(684)	(718)
XTAR, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Equity in net income (loss) of affiliates	(1,485)	(1,763)
Other Affiliates [Member]
Schedule of Equity Method Investments [Line Items]
Equity in net income (loss) of affiliates		$ (4,800)