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Other Assets - Mortgage Servicing Rights - Quantitative Assumptions Used for MSRs (Details) | 6 Months Ended | 12 Months Ended
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Jun. 30, 2025 | Dec. 31, 2024
Minimum |  |
Quantitative assumptions used in determining lower of cost or fair value of MSRs |  |
Conditional prepayment rate (as a percent) | 6.29% | 6.99%
Life in years (of the MSR) | 4 years 5 months 15 days | 4 years 1 month 20 days
Weighted-average coupon rate (as a percent) | 3.72% | 3.71%
Discount rate (as a percent) | 10.36% | 10.35%
Maximum |  |
Quantitative assumptions used in determining lower of cost or fair value of MSRs |  |
Conditional prepayment rate (as a percent) | 11.72% | 11.77%
Life in years (of the MSR) | 7 years 2 months 12 days | 7 years 7 days
Weighted-average coupon rate (as a percent) | 5.47% | 5.66%
Discount rate (as a percent) | 10.93% | 10.94%
Weighted Average |  |
Quantitative assumptions used in determining lower of cost or fair value of MSRs |  |
Conditional prepayment rate (as a percent) | 6.69% | 7.16%
Life in years (of the MSR) | 7 years 21 days | 6 years 11 months 8 days
Weighted-average coupon rate (as a percent) | 3.82% | 3.80%
Discount rate (as a percent) | 10.40% | 10.40%

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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 + 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 -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 + Details
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- Definition Weighted average life of financial assets and financial liabilities, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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 + Details
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