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OTHER COMPREHENSIVE INCOME (LOSS) (Details 1) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Unrealized (losses) gains on available for sale securities        
Balance at the beginning of the period     $ (4,741)  
Current Period Change $ (1,886) $ 2,351 5,263 $ 3,152
Balance at the end of the period 522   522  
Unrealized (losses) gains on pension benefits        
Balance at the beginning of the period     (4,111)  
Current Period Change 57 54 176 216
Balance at the end of the period (3,935)   (3,935)  
Unrealized losses on cash flow hedges        
Balance at the beginning of the period     (770)  
Current Period Change 595 (394) (709) (618)
Balance at the end of the period (1,479)   (1,479)  
Total        
Balance at the beginning of the period     (9,622)  
Current Period Change (1,234) $ 2,011 4,730 $ 2,750
Balance at the end of the period $ (4,892)   $ (4,892)