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Note 4 - Loans Leases Receivable - Troubled Debt Restructurings (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 USD ($) loan | Dec. 31, 2020 USD ($) loan
Number of Loans / Leases | 3 | 4
Pre-Modification Recorded Investment | $ 2,599 | $ 1,022
Post-Modification Recorded Investment | 2,599 | $ 1,022
Specific Allowance | $ 189 |
Payment Deferral [Member] |  |
Number of Loans / Leases | loan |  | 3
Pre-Modification Recorded Investment |  | $ 187
Post-Modification Recorded Investment |  | $ 187
Interest Rate Adjusted Below Market |  |
Number of Loans / Leases | loan | 2 |
Pre-Modification Recorded Investment | $ 67 |
Post-Modification Recorded Investment | 67 |
Specific Allowance | $ 7 |
Direct financing leases | Payment Deferral [Member] |  |
Number of Loans / Leases | loan |  | 2
Pre-Modification Recorded Investment |  | $ 112
Post-Modification Recorded Investment |  | $ 112
Commercial Portfolio Segment [Member] | Payment Deferral [Member] |  |
Number of Loans / Leases | loan |  | 1
Pre-Modification Recorded Investment |  | $ 75
Post-Modification Recorded Investment |  | $ 75
1-4 family real estate | Extended Maturity [Member] |  |
Number of Loans / Leases | loan | 1 |
Pre-Modification Recorded Investment | $ 2,532 |
Post-Modification Recorded Investment | 2,532 |
Specific Allowance | $ 182 |
1-4 family real estate | Interest Rate Adjusted Below Market |  |
Number of Loans / Leases | loan | 1 |
Pre-Modification Recorded Investment | $ 54 |
Post-Modification Recorded Investment | 54 |
Specific Allowance | $ 6 |
Commercial Real Estate Portfolio Segment [Member] | Extended Maturity [Member] |  |
Number of Loans / Leases | loan |  | 1
Pre-Modification Recorded Investment |  | $ 835
Post-Modification Recorded Investment |  | $ 835
Consumer | Interest Rate Adjusted Below Market |  |
Number of Loans / Leases | loan | 1 |
Pre-Modification Recorded Investment | $ 13 |
Post-Modification Recorded Investment | 13 |
Specific Allowance | $ 1 |

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- Definition Specific allowance of amount of investment in financing receivables modified by troubled debt restructurings. + References No definition available. + Details
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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=123577603&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=123577603&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=123577603&loc=SL6953676-111524 + Details
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