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Note I - Other Borrowed Funds (Details Textual) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Federal Home Loan Bank, Advances, Maturities Summary, Fixed Rate, Total | $ 29,758 |
Federal Home Loan Bank, Advances, Maturities Summary, Floating Rate, Total | 0 |
Federal Home Loan Bank, Advances, General Debt Obligations, Maximum Amount Available | 205,559 |
Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds | 119,302 |
Notes Payable to Bank, Total | 405 |
Director [Member] |  |
Notes Payable, Related Parties | $ 3,558 |
Promissory Notes [Member] |  |
Debt, Weighted Average Interest Rate | 2.73% | 2.83%
FHLB Line of Credit [Member] |  |
Federal Home Loan Bank, Advances, General Debt Obligations, Maximum Amount Available | $ 80,000 |
Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds | 80,000 |
Letters of Credit Outstanding, Amount | $ 56,500 | $ 51,700
Minimum [Member] |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate | 1.53% |
Minimum [Member] | Promissory Notes [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 2.00% |
Maximum [Member] |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate | 3.31% |
Maximum [Member] | Promissory Notes [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.09% |
Weighted Average [Member] |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate | 2.39% | 2.36%
FHLB Stock [Member] |  |
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged | $ 5,365 |
Residential Real Estate [Member] |  |
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged | 301,244 |
Commercial Loans [Member] |  |
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged | $ 69,683 |

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- Definition Discloses the single interest rate [if] applicable to the advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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