Mortgage Servicing Rights - Schedule of Weighted-Average Key Assumptions to Estimate Fair Value of Mortgage Servicing Rights (Details) - uSDPerLoan	3 Months Ended	12 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Transfers and Servicing [Abstract]
Discount rate	9.72%	10.14%	9.81%
Total prepayment speeds	8.66%	8.62%	9.04%
Cost of servicing each loan	91	93	91

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
-Topic 860
-SubTopic 50
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481229/860-50-50-2

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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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