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DERIVATIVES (Narrative) (Details) |  | 12 Months Ended
--- | --- | ---
Jun. 16, 2016 USD ($) derivative_instrument | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Derivatives, Fair Value [Line Items] |  |  |
Carrying Amount of Hedged Asset Amount |  | $ 50,000,000 |
Cumulative Amount of Basis Adjustments Included in the Carrying Amount of the Hedged Asset |  | $ 1,400,000 |
Minimum |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Interest rate lock commitments period |  | 30 days |
Maximum |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Interest rate lock commitments period |  | 120 days |
Cash Flow Hedging |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Number of interest rate derivatives terminated | derivative_instrument | 3 |  |
Unrealized gain within accumulated other comprehensive income, to be reclassified into earnings | $ 1,300,000 |  |
Reclassification of gain (loss) from accumulated other comprehensive income to earnings, estimate of time to transfer | 3 years |  |
Estimated net amount of gains expected to be reclassified into earnings within the next twelve months |  | $ 297,000 |
Loans | Fair Value Hedging |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Aggregate notional amount of the hedged items |  | 87,600,000 | $ 81,000,000
Fair value of aggregate notional amount of the hedged items, unrealized loss |  | (1,600,000) | $ (1,200,000)
Available-for-sale Securities | Fair Value Hedging |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Aggregate notional amount of the hedged items |  | 50,000,000 |
Fair value of aggregate notional amount of the hedged items, unrealized loss |  | 1,400,000 |
Interest Rate Lock Commitments |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivative, amount |  | $ 0 |

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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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- 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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