Other Current Liabilities (Schedule of Other Current Liabilities) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Accrued professional fees	$ 1,170	$ 1,849
Pension and other postretirement liabilities		526
Deferred tax liability		416
Other	378	552
Other current liabilities, total	12,099	13,424
ViaSat Lawsuit [Member]
SS/L indemnification liability relating to ViaSat Suit settlement (see Note 14)	$ 10,551	$ 10,081