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Note 21 - Fair Value Measurement (Details Textual) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Asset Impairment Charges | $ 16,600,000 | $ 4,200,000 |
Real Estate Owned, Amount of Loss at Acquisition | 7,000 | 153,000 |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Foreclosure | 360,000 | 248,000 |
Mortgage Loans in Process of Foreclosure, Amount | 292,000 | 0 |
Liabilities | 14,689,263,000 | 13,297,857,000 | [1]
Fair Value, Recurring [Member] |  |  |
Liabilities | 0 | 0 |
Fair Value, Nonrecurring [Member] |  |  |
Liabilities | $ 0 | $ 0 |
Minimum [Member] |  |  |
Impaired Loans, Fair Value Adjustment, Percent | 0.00% | 0.00% |
Real Estate Owned, Fair Value Adjustment, Percent | 25.00% | 0.00% |
Maximum [Member] |  |  |
Impaired Loans, Fair Value Adjustment, Percent | 66.00% | 82.00% |
Real Estate Owned, Fair Value Adjustment, Percent | 100.00% | 100.00% |
Weighted Average [Member] |  |  |
Impaired Loans, Fair Value Adjustment, Percent | 25.00% | 19.50% |
Real Estate Owned, Fair Value Adjustment, Percent | 38.30% | 53.30% |
[1] | derived from audited financial statements.

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- Definition Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. 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