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QUARTERLY FINANCIAL DATA (UNAUDITED) - Narratives (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
QUARTERLY FINANCIAL DATA (UNAUDITED) |  |  |  |  |  |
Securities gross losses realized |  |  | $ (7,900) | $ 201 | $ (7,921) | $ 38
Fraudulent conduct of a business customer |  | $ 9,500 |  |  | 8,900 |
Office Relocation Costs | $ 800 |  |  |  | $ 750 |
Pre-tax recovery related to fraud loss | $ 600 |  |  |  |  |

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- Definition Represents non-interest expense items related to fraud loss. + References No definition available. + Details
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