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Derivative Instruments (Fair Value of Fair Value Hedges) (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Fair value hedges, net | $ 1,000 |
Cumulative adjustment to Interest and dividends on investment securities | 129 | $ (20)
Available-for-sale Securities |  |
Derivatives, Fair Value [Line Items] |  |
Fair value hedges, net | (9,979) | (10,075)
Other Assets |  |
Derivatives, Fair Value [Line Items] |  |
Fair value hedges, net | $ 9,850 | $ 10,095

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