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OTHER INCOME (EXPENSES), NET (Schedule of Components of Other Income (Expenses), Net) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
OTHER INCOME (EXPENSES), NET      
Foreign exchange gains (loss) $ 1,459 $ (190) $ (586)
Gain(loss) from the currency translation adjustment 38   (121)
Tax reversal for expiration of the statute of limitations 807   992
ESA loan impairment   2,788 (2,788)
ESA loan interest   1,129  
Realized investment gain 83 1,529  
UiTV loan impairment   (2,250)  
Other 361 483 254
Total $ 2,748 $ 3,489 $ (2,249)