PREMISES AND EQUIPMENT - Depreciation and Amortization (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Depreciation, Depletion and Amortization [Abstract]
Depreciation and amortization included in occupancy and equipment expense	$ 1.7	$ 2.0	$ 2.0