Leases, Premises and Equipment - Estimated Useful Lives of Respective Assets (Details)	Dec. 31, 2024
Buildings
Property, Plant and Equipment [Line Items]
Estimated useful lives	30 years
Furniture, fixtures and equipment, and building improvements
Property, Plant and Equipment [Line Items]
Estimated useful lives	13 years 6 months
Leasehold improvements
Property, Plant and Equipment [Line Items]
Estimated useful lives	10 years
ATMs
Property, Plant and Equipment [Line Items]
Estimated useful lives	7 years