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v3.25.3

Investments (Narrative) (Details) - USD ($) | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Schedule of Investments [Line Items] |  |
Loans, evaluated for impairment, individually | $ 1,000,000 |
Federal Home Loan Bank Stock and Federal Reserve Bank Stock | 23,900,000 | $ 23,600,000
Non-governmental issues exceeding 10% shareholders equity threshold | 0 | 0
Allowance for credit loss | 0 | 0
Asset Pledged as Collateral |  |
Schedule of Investments [Line Items] |  |
Carrying value of securities pledged | 713,000,000 | 694,000,000
Marketable equity securities |  |
Schedule of Investments [Line Items] |  |
Investment securities | $ 6,000,000 | $ 6,200,000

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