Fair Value Measurements - Valuation Assumptions (Details) - Fair Value, Recurring	Jun. 30, 2025	Dec. 31, 2024
Pull through rate \| External pricing model \| Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Interest rate lock commitment, measurement input (percent)	0.9263	0.9335
Constant prepayment rate \| Discounted cash flow \| Mortgage servicing rights \| Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)	0.0635	0.0201
Constant prepayment rate \| Discounted cash flow \| Mortgage servicing rights \| Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)	0.2058	0.1491
Constant prepayment rate \| Discounted cash flow \| Commercial servicing rights \| Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)	0.0313	0.0313
Constant prepayment rate \| Discounted cash flow \| Commercial servicing rights \| Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)	0.1823	0.1823
Discount rate \| Discounted cash flow \| Mortgage servicing rights \| Minimum
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 Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)	0.1100	0.1100
Discount rate \| Discounted cash flow \| Commercial servicing rights \| Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)	0.1200	0.1200