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Borrowed Funds - Repurchase Agreements (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Investment Securities |  |
Borrowed funds |  |
Investment securities held as collateral | $ 10,400 | $ 15,800
Repurchase Agreements |  |
Borrowed funds |  |
Balance at end of year | 10,037 | 11,385
Average balance during the year | 10,987 | 10,821
Maximum month-end balance | $ 12,680 | $ 11,398
Weighted-average rate during the year | 0.05% | 0.12%
Weighted-average rate at December 31 | 0.06% | 0.05%

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