Fair Value Measurements - Valuation Assumptions (Details)	Mar. 31, 2023	Dec. 31, 2022
Pull through rate | In-house valuation of collateral, External pricing model | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Interest rate lock commitment, measurement input (percent)	0.9128	0.9318
Constant prepayment rate | Discounted cash flow | Mortgage servicing rights | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)	0.0458	0.0662
Constant prepayment rate | Discounted cash flow | Mortgage servicing rights | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)	0.1168	0.0743
Constant prepayment rate | Discounted cash flow | Commercial servicing rights | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)	0.0419	0.0419
Constant prepayment rate | Discounted cash flow | Commercial servicing rights | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)	0.2287	0.2287
Discount rate | Discounted cash flow | Mortgage servicing rights | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)		0.1125
Discount rate | Discounted cash flow | Mortgage servicing rights | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)	0.0951
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
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