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Note 7 - Loans Receivable and Credit Disclosures - Troubled Debt Restructurings (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($)
Financing receivable modifications, number of contracts | 0 | 1 | 0 | 5
Financing receivable modifications, pre-modification outstanding, recorded investment | $ 0 | $ 6 | $ 0 | $ 642
Financing receivable modifications, post modification outstanding, recorded investment | $ 0 | $ 6 | $ 0 | $ 642
Construction Real Estate [Member] |  |  |  |
Financing receivable modifications, number of contracts | 0 | 0 | 0 | 0
Financing receivable modifications, pre-modification outstanding, recorded investment | $ 0 | $ 0 | $ 0 | $ 0
Financing receivable modifications, post modification outstanding, recorded investment | $ 0 | $ 0 | $ 0 | $ 0
Family Residential Real Estate 1-4 [Member] |  |  |  |
Financing receivable modifications, number of contracts | 0 | 0 | 0 | 3
Financing receivable modifications, pre-modification outstanding, recorded investment | $ 0 | $ 0 | $ 0 | $ 578
Financing receivable modifications, post modification outstanding, recorded investment | $ 0 | $ 0 | $ 0 | $ 578
Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Financing receivable modifications, number of contracts | 0 | 0 | 0 | 0
Financing receivable modifications, pre-modification outstanding, recorded investment | $ 0 | $ 0 | $ 0 | $ 0
Financing receivable modifications, post modification outstanding, recorded investment | $ 0 | $ 0 | $ 0 | $ 0
Agriculture Real Estate [Member] |  |  |  |
Financing receivable modifications, number of contracts | 0 | 0 | 0 | 0
Financing receivable modifications, pre-modification outstanding, recorded investment | $ 0 | $ 0 | $ 0 | $ 0
Financing receivable modifications, post modification outstanding, recorded investment | $ 0 | $ 0 | $ 0 | $ 0
Commercial Portfolio Segment [Member] |  |  |  |
Financing receivable modifications, number of contracts | 0 | 1 | 0 | 2
Financing receivable modifications, pre-modification outstanding, recorded investment | $ 0 | $ 6 | $ 0 | $ 64
Financing receivable modifications, post modification outstanding, recorded investment | $ 0 | $ 6 | $ 0 | $ 64
Agriculture [Member] |  |  |  |
Financing receivable modifications, number of contracts | 0 | 0 | 0 | 0
Financing receivable modifications, pre-modification outstanding, recorded investment | $ 0 | $ 0 | $ 0 | $ 0
Financing receivable modifications, post modification outstanding, recorded investment | $ 0 | $ 0 | $ 0 | $ 0
Consumer and Other [Member] |  |  |  |
Financing receivable modifications, number of contracts | 0 | 0 | 0 | 0
Financing receivable modifications, pre-modification outstanding, recorded investment | $ 0 | $ 0 | $ 0 | $ 0
Financing receivable modifications, post modification outstanding, recorded investment | $ 0 | $ 0 | $ 0 | $ 0

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