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GENERAL (Business Combinations and Impairment of Goodwill) (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Sep. 30, 2015 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Business Acquisition [Line Items] |  |  |  |
Goodwill impairment |  | $ 20,402 |  |
Impairment loss of property and equipment, net |  | 4,106 |  |
Impairment of long lived assets |  | 10,137 |  |
Gilat International [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Impairment loss of property and equipment, net |  | 4,106 |  |
Impairment loss of long-term deferred charges |  | 6,031 |  |
Impairment of long lived assets |  | 10,137 |  |
Wavestream Corporation [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Goodwill impairment | $ 20,402 | $ 0 |  |
Period of projected cash flows |  | 5 years |  |
Long-term growth rate |  | 4.00% |  |
Discount rate |  | 13.00% |  |

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