Other Current Assets (Schedule of Other Current Assets) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Other Current Assets [Abstract]
Indemnification receivable from SS/L for pre-closing taxes	$ 2,410	$ 2,410
Due from affiliates	935	217
Prepaid expenses	668	198
Other	337	274
Total other current assets	$ 4,350	$ 3,099