Summary of Significant Accounting Policies - Premises and Equipment (Details) - USD ($) $ in Millions |
12 Months Ended | |
---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
|
Transfers and Servicing of Financial Assets | ||
Mortgage loans serviced for others | $ 771.4 | $ 801.9 |
Buildings | Minimum | ||
Premises and equipment | ||
Useful lives | 25 years | |
Buildings | Maximum | ||
Premises and equipment | ||
Useful lives | 40 years | |
Building Improvements | Minimum | ||
Premises and equipment | ||
Useful lives | 3 years | |
Building Improvements | Maximum | ||
Premises and equipment | ||
Useful lives | 15 years | |
Furniture and equipment | Minimum | ||
Premises and equipment | ||
Useful lives | 3 years | |
Furniture and equipment | Maximum | ||
Premises and equipment | ||
Useful lives | 10 years |