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Securities - Fair Values of Marketable Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Investments, Debt and Equity Securities [Abstract] |  |
Debt securities | $ 969,308 | $ 1,001,784
Equity securities | 1,083 | 994
Total Securities Available for Sale | $ 970,391 | $ 1,002,778

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