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ALLOWANCE FOR LOAN LOSSES - Investment in impaired loans and related interest income (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Average loan balance: |  |  |
Average investment in impaired loans | $ 2,308 | $ 847 | $ 607
Interest income recognized: |  |  |
Interest income recognized on a cash basis on impaired loans | 15 | 38 | 30
Commercial | Commercial. |  |  |
Average loan balance: |  |  |
Average investment in impaired loans | 2,301 | 839 | 597
Interest income recognized: |  |  |
Interest income recognized on a cash basis on impaired loans | 15 | 38 | 30
Commercial | Commercial loans secured by Non-Owner Occupied real estate |  |  |
Average loan balance: |  |  |
Average investment in impaired loans | 7 | 8 | 10
Interest income recognized: |  |  |
Interest income recognized on a cash basis on impaired loans | $ 0 | $ 0 | $ 0

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- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5258-111524 + Details
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- Definition Amount of interest income recognized on a cash-basis method of accounting that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
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- Details
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- Details
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