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LOANS - Troubled Debt Restructuring Modifications (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 USD ($) loan | Dec. 31, 2019 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | loan | 2 | 6
Financing Receivable, Troubled Debt Restructuring, Premodification | $ 184 | $ 3,688
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 184 | $ 3,688
Commercial Portfolio Segment |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | loan | 1 | 3
Financing Receivable, Troubled Debt Restructuring, Premodification | $ 24 | $ 507
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 24 | $ 507
Construction and Land Portfolio Segment |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | loan |  | 1
Financing Receivable, Troubled Debt Restructuring, Premodification |  | $ 2,737
Financing Receivable, Troubled Debt Restructuring, Postmodification |  | $ 2,737
Commercial Real Estate Portfolio Segment |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | loan |  | 2
Financing Receivable, Troubled Debt Restructuring, Premodification |  | $ 444
Financing Receivable, Troubled Debt Restructuring, Postmodification |  | $ 444
Residential Portfolio Segment |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | loan | 1 |
Financing Receivable, Troubled Debt Restructuring, Premodification | $ 160 |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 160 |

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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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- Definition Amount, after troubled debt restructuring, of modified financing receivable. + 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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- Definition Amount, before troubled debt restructuring, of financing receivable to be modified. + 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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