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DERIVATIVES (Summary of the Derivatives) (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Designated as Accounting Hedges | Cash Flow Hedges |  |
Summary of the derivative designated as a cash flow hedge |  |
Notional or Contractual Amount | $ 252,500 | $ 152,500
Derivative Assets | 0 | 0
Derivative Liabilities | 6,328 | 4,786
Designated as Accounting Hedges | Fair Value Hedges |  |
Summary of the derivative designated as a cash flow hedge |  |
Notional or Contractual Amount | 136,527 | 137,596
Derivative Assets | 893 | 1,872
Derivative Liabilities | 3,027 | 1,684
Not Designated as Accounting Hedges | Pay Fixed - Receive Floating Interest Rate Swaps |  |
Summary of the derivative designated as a cash flow hedge |  |
Notional or Contractual Amount | 999,550 | 878,446
Derivative Assets | 4,961 | 10,120
Derivative Liabilities | 19,904 | 9,306
Not Designated as Accounting Hedges | Pay Floating - Receive Fixed Interest Rate Swaps |  |
Summary of the derivative designated as a cash flow hedge |  |
Notional or Contractual Amount | 999,550 | 878,446
Derivative Assets | 19,904 | 9,306
Derivative Liabilities | $ 4,961 | $ 10,120

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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