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Fair Value of Financial Instruments - Assumptions Used to Value Mortgage Servicing Rights (Details) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Minimum |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |
Prepayment speeds | 7.49% | 7.65%
Discount rates | 10.25% | 9.50%
Maximum |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |
Prepayment speeds | 8.50% | 9.20%
Discount rates | 12.75% | 22.07%
Weighted Average |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |
Prepayment speeds | 8.10% | 8.11%
Discount rates | 10.31% | 12.55%

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