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OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
OTHER COMPREHENSIVE INCOME (LOSS) |  |
Unrealized holding gains on available for sale securities | $ 9,740 | $ 4,915
Reclassification adjustment for (gains) losses realized in income | (66) | 10
Income tax effect | (3,917) | (1,959)
Net change in unrealized gains on available for sale securities | 5,757 | 2,966
Reclassification adjustment for amortization realized in income | 94 | 88
Income tax effect | (33) | (34)
Net change in post-retirement obligation | 61 | 54
Change in fair value of derivatives used for cash flow hedges | (2,023) | (815)
Reclassification adjustment for losses realized in income | 250 | 134
Income tax effect | 720 | 261
Net change in unrealized loss on cash flow hedges | (1,053) | (420)
Total | $ 4,765 | $ 2,600

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