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Note 11 - Other Borrowings (Details Textual) - USD ($) | 1 Months Ended |
--- | --- | ---
Dec. 31, 2006 | Dec. 31, 2022
Advance from Federal Home Loan Bank, Total |  | $ 380,800,000
Irrevocable Letter of Credit, Municipal Deposits |  | 64,000,000.0
Stock Issued During Period, Value, New Issues | $ 248,000 |
Finance Lease, Liability, Total |  | 3,811,000
Other Borrowings [Member] |  |
Notes Payable, Total |  | 8,300,000
Finance Lease, Liability, Total |  | $ 3,800,000
London Interbank Offered Rate (LIBOR) [Member] |  |
Debt Instrument, Basis Spread on Variable Rate | 1.67% |
Mandatorily Redeemable Securities [Member] | Special Purpose Entity [Member] |  |
Securities Sold under Agreements to Repurchase, Total | $ 8,000,000.0 |

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- Definition Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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