SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Premises and Equipment and Leases (Details) $ in Thousands	Dec. 31, 2024 USD ($) contract	Dec. 31, 2023 USD ($)
Property, Plant and Equipment [Line Items]
Lessee, number of finance leases | contract	1
Other Assets
Property, Plant and Equipment [Line Items]
Premises held for sale | $	$ 1,900	$ 0
Minimum | Buildings and improvements, including leasehold improvements
Property, Plant and Equipment [Line Items]
Useful life	10 years
Minimum | Furniture and equipment
Property, Plant and Equipment [Line Items]
Useful life	3 years
Maximum | Buildings and improvements, including leasehold improvements
Property, Plant and Equipment [Line Items]
Useful life	40 years
Maximum | Furniture and equipment
Property, Plant and Equipment [Line Items]
Useful life	15 years