Fair Value Measurements - Valuation Assumptions (Details)	Jun. 30, 2022	Dec. 31, 2021
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)	0.9185	0.9327
Constant prepayment rate | Discounted cash flow | Mortgage servicing rights | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)	0.0734	0.0925
Constant prepayment rate | Discounted cash flow | Mortgage servicing rights | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)	0.0873	0.1421
Constant prepayment rate | Discounted cash flow | Commercial servicing rights | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)	0.1230	0.1230
Constant prepayment rate | Discounted cash flow | Commercial servicing rights | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)	0.1657	0.1657
Discount rate | Discounted cash flow | Mortgage servicing rights | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)	0.0925	0.0800
Discount rate | Discounted cash flow | Commercial servicing rights
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)	0.0994
Discount rate | Discounted cash flow | Commercial servicing rights | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing rights, measurement input (percent)		0.0994