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LOANS AND ALLOWANCE FOR CREDIT LOSSES (Effect on Loan Loss Provision as a Result of Changes in Methodology) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Provision for Loan, Lease, and Other Losses, Total | $ 1,674 | $ 2,291
Residential Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Provision for Loan, Lease, and Other Losses, Total | 363 | 736
Commercial Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Provision for Loan, Lease, and Other Losses, Total | 694 | 53
Commercial Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Provision for Loan, Lease, and Other Losses, Total | (54) | 1,827
Consumer Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Provision for Loan, Lease, and Other Losses, Total | 115 | (22)
Construction Loans [Member] | Commercial and Residential Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Provision for Loan, Lease, and Other Losses, Total | $ 556 | $ (303)

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