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EMPLOYEE BENEFIT PLAN (Detail Textuals) - USD ($)
9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Multiple Employers Retirement Income Plan      
Defined Benefit Plan Disclosure [Line Items]      
Contribution by employer for retirement income plan $ 850,000 $ 765,000  
Non-qualified Supplemental Retirement Plan ("SERP")      
Defined Benefit Plan Disclosure [Line Items]      
SERP assets $ 15,461,000   $ 16,491,000