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Fair Value Measurements - Mortgage Servicing Rights - Other (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Fair Value Measurements |  |  |  |  |
Impaired loans with a specific allowance |  |  |  |  | $ 2,697,000
Impaired financing receivable, charge-offs | $ 13,800 | $ 61,000 | $ 54,800 | $ 86,000 |
Collateral dependent impaired loans |  |  |  |  |
Fair Value Measurements |  |  |  |  |
Impaired loans with a specific allowance | 22,000 |  | 22,000 |  |
Collateral dependent impaired loans |  |  |  |  |
Fair Value Measurements |  |  |  |  |
Impaired loans with a specific allowance | $ 2,600,000 | $ 15,900,000 | $ 2,600,000 | $ 15,900,000 |

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- Definition Represents the amount related to charge off of impaired financing receivable during the period. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of investment in impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-14A + Details
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