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v3.25.3

Note 3 - Investment Securities (Details Textual) $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2025 USD ($) shares | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) shares | Sep. 30, 2024 USD ($) | Sep. 25, 2025 USD ($) | Dec. 31, 2024 USD ($)
Debt Securities, Trading | $ 1,411 |  | $ 1,411 |  |  | $ 3,309
Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest | 126 |  | 126 |  |  | 131
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, Allowance for Credit Loss, Recovery | 0 |  | 0 |  |  |
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff | 0 |  |  |  |  |
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss |  |  |  |  | $ 1,700 | 2,000
Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss |  |  |  |  | $ 900 | 1,300
Proceeds from Sale of Debt Securities, Available-for-Sale | 0 | $ 0 | 0 | $ 0 |  |
Proceeds from Calls of Debt Securities, Available-for-Sale | 800 | 0 | 19,800 | 0 |  |
Proceeds from Sale of Held-to-Maturity Securities | 0 | 0 | 0 | $ 0 |  |
Debt Securities, Held-to-Maturity, Nonaccrual | 0 |  | 0 |  |  | 0
Debt Securities, Held-to-Maturity, Nonaccrual, Interest Income | 0 | $ 0 |  |  |  |
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss | 862,572 |  | 862,572 |  |  | 962,272
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss | 259,351 |  | 259,351 |  |  |
Financial Asset, Past Due [Member] |  |  |  |  |  |
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss | $ 0 |  | $ 0 |  |  | 0
Preferred Class B [Member] | Visa [Member] |  |  |  |  |  |
Investment Owned, Conversion Ratio | 1.5549 |  | 1.5549 |  |  |
Investment Owned, Balance, Shares (in shares) | shares | 6,924 |  | 6,924 |  |  |
Investment, Tax Basis, Cost | $ 0 |  | $ 0 |  |  | 0
Preferred Class A [Member] | Visa [Member] |  |  |  |  |  |
Investment Owned, Balance, Shares (in shares) | shares | 10,766 |  | 10,766 |  |  |
Asset Pledged as Collateral [Member] | Deposits [Member] |  |  |  |  |  |
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss | $ 368,700 |  | $ 368,700 |  |  | $ 340,200

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