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Fair Value Measurements - Mortgage Servicing Rights - Other (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Fair Value Measurements |  |  |
Impaired loans with a specific allowance | $ 2,669 |  | $ 10,627
Impaired financing receivable, charge-offs | 23 | $ 23 |
Specific allowance related to impaired loans | 317 |  | $ 3,044
Collateral dependent impaired loans |  |  |
Fair Value Measurements |  |  |
Specific allowance related to impaired loans |  | 4,800 |
Collateral dependent impaired loans |  |  |
Fair Value Measurements |  |  |
Impaired loans with a specific allowance | $ 15,400 | $ 31,800 |

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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 allowance for credit losses related to recorded investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953550-111524 + Details
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