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LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES - Impaired financing receivables (Details) - USD ($) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2020 | Dec. 31, 2019
Financing Receivable, Impaired [Line Items] |  |
Recorded Investment with specific reserves | $ 39,000 | $ 26,000
Unpaid Principal Balance with specific reserves | 39,000 | 41,000
Interest Income Recognized with specific reserves | 2,000 | 2,000
Specific Reserve with specific reserves | 11,000 | 15,000
Recorded Investment | 50,000 | 50,000
Recorded Investment with no specific reserve | 5,350,000 | 4,627,000
Unpaid Principal Balance with no specific reserve | 5,596,000 | 5,396,000
Interest Income Recognized with no specific reserve | 148,000 | 109,000
Specific Reserve | 10,758 |
Average Recorded Investment with no specific reserve | 6,781,000 | 5,895,000
Consumer |  |
Financing Receivable, Impaired [Line Items] |  |
Recorded Investment with specific reserves | 39,000 | 26,000
Unpaid Principal Balance with specific reserves | 39,000 | 41,000
Interest Income Recognized with specific reserves | 2,000 | 2,000
Specific Reserve with specific reserves | 11,000 | 15,000
Recorded Investment | 50,000 | 50,000
Recorded Investment with no specific reserve | 44,000 | 96,000
Unpaid Principal Balance with no specific reserve | 44,000 | 96,000
Interest Income Recognized with no specific reserve | 3,000 | 8,000
Average Recorded Investment with no specific reserve | 66,000 | 122,000
Consumer | Real Estate Loan [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Recorded Investment with no specific reserve | 522,000 | 728,000
Unpaid Principal Balance with no specific reserve | 768,000 | 1,497,000
Interest Income Recognized with no specific reserve | 3,000 | 14,000
Average Recorded Investment with no specific reserve | 1,653,000 | 1,928,000
Indirect |  |
Financing Receivable, Impaired [Line Items] |  |
Interest Income Recognized with specific reserves |  | 6,000
Recorded Investment with no specific reserve | 215,000 | 123,000
Unpaid Principal Balance with no specific reserve | 215,000 | 123,000
Interest Income Recognized with no specific reserve | 8,000 |
Specific Reserve | 10,758 |
Average Recorded Investment with no specific reserve | 248,000 |
Commercial | Real Estate Loan [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Recorded Investment with no specific reserve | 4,569,000 | 3,680,000
Unpaid Principal Balance with no specific reserve | 4,569,000 | 3,680,000
Interest Income Recognized with no specific reserve | 134,000 | 81,000
Average Recorded Investment with no specific reserve | $ 4,814,000 | $ 3,845,000

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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
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