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v3.25.4

Note 20 - Fair Value Measurement (Details Textual) | 12 Months Ended
--- | ---
Dec. 31, 2025 USD ($) | Dec. 31, 2024 USD ($)
Asset Impairment Charges | $ 22,500,000 | $ 18,300,000
Gains (Losses) on Sales of Other Real Estate | $ 298,000 | $ (132,000)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans | 5 | 3
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Foreclosure | $ 2,500,000 | $ 852,400
Number of Mortgage Loans in Process of Foreclosure | 1 | 1
Mortgage Loans in Process of Foreclosure, Amount | $ 171,000 | $ 82,000
Liabilities | $ 15,876,843,000 | $ 15,734,871,000
Fair Value, Number of Transfers Between Levels | 0 | 2
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 | 10.00% | 19.00%
Maximum [Member] |  |
Impaired Loans, Fair Value Adjustment, Percent | 70.00% | 75.00%
Real Estate Owned, Fair Value Adjustment, Percent | 27.00% | 47.00%
Weighted Average [Member] |  |
Impaired Loans, Fair Value Adjustment, Percent | 17.10% | 25.50%
Real Estate Owned, Fair Value Adjustment, Percent | 23.50% | 22.70%

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