Long-Term Liabilities (Schedule of Long-Term Liabilities) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013
Indemnification liabilities - other (see Note 14)	$ 924	$ 972
Deferred tax liability		815
Liabilities for uncertain tax positions	77,917	77,133	$ 79,895	$ 79,688
Other	306	307
Long term liabilities	84,602	92,469
ViaSat Lawsuit [Member]
SS/L indemnification liability relating to ViaSat Suit settlement (see Note 14)	$ 5,455	$ 13,242