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PROPERTY AND EQUIPMENT, NET (Schedule of Property And Equipment, Net) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Property, Plant and Equipment [Line Items]      
Cost $ 87,600 $ 78,823  
Less - accumulated depreciation and amortization [1] (51,956) (47,309)  
Total property and equipment, net 35,644 31,514 $ 31,908
Operating equipment, amount subject to lease transactions 28,600 26,000  
Accumulated depreciation and amortization subject to lease transactions 12,500 10,400  
Operating equipment [Member]      
Property, Plant and Equipment [Line Items]      
Cost [2] 48,598 43,740  
Office furniture, equipment and computers [Member]      
Property, Plant and Equipment [Line Items]      
Cost 26,992 24,790  
Land [Member]      
Property, Plant and Equipment [Line Items]      
Cost 1,022 1,022  
Building [Member]      
Property, Plant and Equipment [Line Items]      
Cost 1,888 1,845  
Vehicles [Member]      
Property, Plant and Equipment [Line Items]      
Cost 4,924 3,810  
Leasehold Improvements [Member]      
Property, Plant and Equipment [Line Items]      
Cost $ 4,176 $ 3,616  
[1] As at December 31, 2016 and 2015, an amount of US$ 12.5 million and US$ 10.4 million is subject to operating lease transactions, respectively.
[2] As December 31, 2016 and 2015, an amount of US$ 28.6 million and US$ 26 million is subject to operating lease transactions, respectively.