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DERIVATIVES (Summary of the Carrying Value of the Company's Hedged Assets in Fair Value Hedges) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2019 | Dec. 31, 2018
Derivative [Line Items] |  |
Carrying Amount of Hedged Asset/(Liabilities) | $ 50,000 |
Portfolio, last-of-layer, amortized cost | 225,000 | $ 224,000
Available-for-sale Securities |  |
Derivative [Line Items] |  |
Carrying Amount of Hedged Asset/(Liabilities) | 225,063 | 224,241
Cumulative Amount of Basis Adjustments Included in the Carrying Amount of the Hedged Assets/(Liabilities) | 2,430 | 1,399
Loans |  |
Derivative [Line Items] |  |
Carrying Amount of Hedged Asset/(Liabilities) | 86,527 | 87,596
Cumulative Amount of Basis Adjustments Included in the Carrying Amount of the Hedged Assets/(Liabilities) | (280) | (1,572)
Fair Value Hedges |  |
Derivative [Line Items] |  |
Fair value of aggregate notional amount of the hedged items, unrealized loss | 299 | 1,600
Available-for-sale Securities |  |
Derivative [Line Items] |  |
Fair value of aggregate notional amount of the hedged items, unrealized loss | 2,400 | 1,400
Available-for-sale Securities | Fair Value Hedges |  |
Derivative [Line Items] |  |
Fair value of aggregate notional amount of the hedged items, unrealized loss | $ 2,400 | $ 1,400

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- Definition Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=109977999&loc=d3e76258-113986 + Details
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- Definition Amortized cost of closed portfolio of prepayable financial asset and beneficial interest secured by prepayable financial instrument, used to designate hedging relationship in which hedged item is last layer expected to be remaining at end of hedging relationship. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4EEE -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL109999718-113959 + Details
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- Definition Amount of asset hedged in fair value hedging relationship. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4EE -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL109999712-113959 + Details
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