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DERIVATIVES DERIVATIVES - Disclosure by Type of Financial Instrument (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Credit Risk Contract [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Credit Risk Derivative Liabilities, at Fair Value | $ 100 | $ 75
Fair Value Hedges | Matched interest rate swaps | Accrued interest and other liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Gross amounts of recognized liabilities | 38,808 | 29,189
Derivative Liability, Fair Value, Gross Asset | (36,980) | (14,577)
Derivative Asset, Fair Value, Amount Not Offset Against Collateral | $ 1,828 | $ 14,612

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