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GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS (Details 2) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 37,240 | $ 29,901
Accumulated Amortization | (21,990) | (20,560)
Net Carrying Amount | 15,250 | 9,341
Core Deposits [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 34,137 | 26,736
Accumulated Amortization | (20,445) | (18,100)
Net Carrying Amount | 13,692 | 8,636
Other intangible assets [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 3,103 | 3,165
Accumulated Amortization | (1,545) | (2,460)
Net Carrying Amount | $ 1,558 | $ 705

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