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Note 8 - Loans - Troubled Debt Restructurings (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Troubled debt restructurings, number of contracts | 12 | 4
Troubled debt restructurings, post-modification recorded investment | $ 1,811 | $ 162
Residential Portfolio Segment [Member] | Real Estate Loan [Member] | Senior Lien [Member] | Monthly Payment Reduction and Extended Maturity Date [Member] |  |
Troubled debt restructurings, number of contracts | 1 | 0
Troubled debt restructurings, post-modification recorded investment | $ 271 | $ 0
Residential Portfolio Segment [Member] | Real Estate Loan [Member] | Senior Lien [Member] | Monthly Payment Reduction for 6 Months [Member] |  |
Troubled debt restructurings, number of contracts | 0 | 1
Troubled debt restructurings, post-modification recorded investment | $ 0 | $ 80
Residential Portfolio Segment [Member] | Real Estate Loan [Member] | Junior Lien [Member] | Monthly Payment Reduction and Extended Maturity Date [Member] |  |
Troubled debt restructurings, number of contracts | 1 | 0
Troubled debt restructurings, post-modification recorded investment | $ 18 | $ 0
Residential Portfolio Segment [Member] | Commercial Construction and Land [Member] | Extended Interest Payments and Reduced Monthly Payments with Balloon Payment at Maturity [Member] |  |
Troubled debt restructurings, post-modification recorded investment |  | $ 0
Commercial Portfolio Segment [Member] | Real Estate Loan [Member] | Senior Lien [Member] | Extended Interest Payments for 6 Months [Member] |  |
Troubled debt restructurings, number of contracts | 0 | 2
Troubled debt restructurings, post-modification recorded investment | $ 0 | $ 36
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Monthly Payment Reduction and Extended Maturity Date [Member] |  |
Troubled debt restructurings, number of contracts | 8 | 0
Troubled debt restructurings, post-modification recorded investment | $ 177 | $ 0
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Extended Interest Payments for 6 Months [Member] |  |
Troubled debt restructurings, number of contracts | 0 | 1
Troubled debt restructurings, post-modification recorded investment | $ 0 | $ 46
Commercial Portfolio Segment [Member] | Commercial Construction and Land [Member] | Extended Interest Payments and Reduced Monthly Payments with Balloon Payment at Maturity [Member] |  |
Troubled debt restructurings, number of contracts | 1 |
Troubled debt restructurings, post-modification recorded investment | $ 1,261 |
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Monthly Payment Reduction and Extended Maturity Date [Member] |  |
Troubled debt restructurings, number of contracts | 1 | 0
Troubled debt restructurings, post-modification recorded investment | $ 84 | $ 0
Consumer Portfolio Segment [Member] | Commercial Construction and Land [Member] | Extended Interest Payments and Reduced Monthly Payments with Balloon Payment at Maturity [Member] |  |
Troubled debt restructurings, number of contracts |  | 0

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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=118936363&loc=SL6953676-111524 + Details
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