XML 21 R42.htm IDEA: XBRL DOCUMENT v3.2.0.727
EMPLOYEE BENEFIT PLAN (Detail Textuals) - USD ($)
6 Months Ended
Jun. 30, 2015
Jun. 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 $ 16,884,000   $ 16,491,000