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OTHER CURRENT ASSETS (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Prepaid expenses $ 32,898 $ 27,805
Government institutions 6,994 6,340
Deferred installation expenses 7,742 5,659
Advances to suppliers 3,061 221
Employees 430 308
Others 1,858 1,061
Other current assets, net $ 52,983 $ 41,394