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LOANS AND ALLOWANCE FOR CREDIT LOSSES ON LOANS (Troubled Debt Restructuring by Portfolio Segment) (Details) $ in Thousands | 9 Months Ended
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Sep. 30, 2021 USD ($) loan | Sep. 30, 2020 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Number of Contracts | loan | 2 | 0
Financing Receivable, Troubled Debt Restructuring, Premodification | $ 303 | $ 0
Financing Receivable, Troubled Debt Restructuring, Postmodification | 313 | 0
Allowance Related to Troubled Debt Restructurings assigned during period | $ 62 | $ 0
Home Equity | Interest Rate Concession and Payment Deferral |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Number of Contracts | loan | 1 | 0
Financing Receivable, Troubled Debt Restructuring, Premodification | $ 159 | $ 0
Financing Receivable, Troubled Debt Restructuring, Postmodification | 170 | 0
Allowance Related to Troubled Debt Restructurings assigned during period | $ 56 | $ 0
Home Equity | Extended Maturity |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Number of Contracts | loan | 1 | 0
Financing Receivable, Troubled Debt Restructuring, Premodification | $ 144 | $ 0
Financing Receivable, Troubled Debt Restructuring, Postmodification | 143 | 0
Allowance Related to Troubled Debt Restructurings assigned during period | $ 6 | $ 0

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- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524 + Details
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