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Mortgage Servicing Rights - Weighted-average Key Assumptions to Estimate Fair Value of MSRs (Details) - uSDPerLoan | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Transfers and Servicing [Abstract] |  |  |
Discount rate | 9.85% | 9.22% | 9.12%
Total prepayment speeds | 7.40% | 11.52% | 16.99%
Cost of servicing each loan | 88 | 85 | 85

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- Definition Servicing Assets And Servicing Liabilities At Fair Value, Assumptions Used To Estimate Fair Value, Cost Of Servicing, Per Loan + References No definition available. + Details
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- Definition Estimated rate of prepayments of principal on servicing assets and servicing liabilities. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=128311188&loc=d3e122596-111746 + Details
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