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Fair Value Measurements - Valuation Assumptions (Details) | Jun. 30, 2026 | Dec. 31, 2025
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Pull through rate | External pricing model | Minimum | Fair Value, Recurring |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Interest rate lock commitment, measurement input (percent) | 0.8132 | 0.8622
Pull through rate | External pricing model | Maximum | Fair Value, Recurring |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Interest rate lock commitment, measurement input (percent) | 1.0000 | 1.0000
Pull through rate | External pricing model | Weighted Average | Fair Value, Recurring |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Interest rate lock commitment, measurement input (percent) | 0.9222 | 0.9153
Constant prepayment rate | Discounted cash flow | Mortgage servicing rights | Minimum | Fair Value, Recurring |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Servicing rights, measurement input (percent) | 0.0743 | 0.0588
Constant prepayment rate | Discounted cash flow | Mortgage servicing rights | Maximum | Fair Value, Recurring |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Servicing rights, measurement input (percent) | 0.1853 | 0.2096
Constant prepayment rate | Discounted cash flow | Mortgage servicing rights | Weighted Average | Fair Value, Recurring |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Servicing rights, measurement input (percent) | 0.1013 | 0.1001
Constant prepayment rate | Discounted cash flow | Commercial servicing rights | Minimum | Fair Value, Recurring |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Servicing rights, measurement input (percent) | 0.0384 | 0.0384
Constant prepayment rate | Discounted cash flow | Commercial servicing rights | Maximum | Fair Value, Recurring |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Servicing rights, measurement input (percent) | 0.1755 | 0.1755
Constant prepayment rate | Discounted cash flow | Commercial servicing rights | Weighted Average | Fair Value, Recurring |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Servicing rights, measurement input (percent) | 0.1171 | 0.1171
Discount rate | Discounted cash flow | Maximum | Fair Value, Nonrecurring |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Loans individually measured for credit losses, measurement input (percent) | 0.1000 | 0.1000
Discount rate | Discounted cash flow | Weighted Average | Fair Value, Nonrecurring |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Loans individually measured for credit losses, measurement input (percent) | 0.1000 | 0.1000
Discount rate | Discounted cash flow | Mortgage servicing rights | Minimum | Fair Value, Recurring |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Servicing rights, measurement input (percent) | 0.0950 | 0.0950
Discount rate | Discounted cash flow | Mortgage servicing rights | Maximum | Fair Value, Recurring |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Servicing rights, measurement input (percent) | 0.1001 | 0.1100
Discount rate | Discounted cash flow | Mortgage servicing rights | Weighted Average | Fair Value, Recurring |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Servicing rights, measurement input (percent) | 0.1000 | 0.1097
Discount rate | Discounted cash flow | Commercial servicing rights | Maximum | Fair Value, Recurring |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Servicing rights, measurement input (percent) | 0.1200 | 0.1200
Discount rate | Discounted cash flow | Commercial servicing rights | Weighted Average | Fair Value, Recurring |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Servicing rights, measurement input (percent) | 0.1200 | 0.1200

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