v3.26.1
Fair Value Measurements - Valuation Assumptions (Details)
Jun. 30, 2026
Dec. 31, 2025
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