Mortgage Servicing Rights - Weighted-average Key Assumptions to Estimate Fair Value of MSRs (Details) - uSDPerLoan	12 Months Ended
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

Servicing Assets And Servicing Liabilities At Fair Value, Assumptions Used To Estimate Fair Value, Cost Of Servicing, Per Loan

No definition available.

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- Definition

Discount rate used to estimate the fair value of 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

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- Definition

Estimated rate of prepayments of principal on servicing assets and servicing liabilities.

+ References

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- References

No definition available.

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