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INTANGIBLE ASSETS, NET (Schedule of Estimated Amortization Expenses) (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]    
2018 $ 3,274  
2019 911  
2020 441  
2021 431  
2022 and thereafter 651  
Amortized cost $ 5,708 $ 11,383