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RELATED PARTIES (Details)
12 Months Ended
Dec. 31, 2016
USD ($)
Employee
Related Party Transaction [Line Items]  
Wages and other compensation $ 700,000
Minimum [Member]  
Related Party Transaction [Line Items]  
Transaction amount 120,000
Chairman of the Board, President and Chief Executive Officer [Member]  
Related Party Transaction [Line Items]  
Lease expenses $ 1,300,000
Number of related party employees | Employee 6
Payroll, related payroll expenses, vehicles, fuel and supplies $ 400,000
Senior Vice President [Member]  
Related Party Transaction [Line Items]  
Lease expenses 1,300,000
Children of Chairman of the Board, President and Chief Executive Officer [Member]  
Related Party Transaction [Line Items]  
Lease expenses $ 300,000
Sons of Executives [Member]  
Related Party Transaction [Line Items]  
Number of related party employees | Employee 2
Sons-in-laws of Executives [Member]  
Related Party Transaction [Line Items]  
Number of related party employees | Employee 2
Sons and Sons in Law of Executives [Member]  
Related Party Transaction [Line Items]  
Number of related party employees | Employee 4