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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Jun. 30, 2015
Accounting Policies [Abstract]      
Unrealized gains on available for sale securities $ 3,498   $ 1,538
Unrealized gains on post-retirement benefits 193   225
Tax effect (1,255)   (599)
Accumulated other comprehensive income $ 2,436 $ 1,203 $ 1,164