LOANS HELD FOR INVESTMENT - Additional Information II (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income recognized on nonaccrual loans	$ 1.8	$ 1.8	$ 1.5
Residential Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans in process of foreclosure amount	$ 30.0
Loans foreclosure delinquency threshold	120 days
Residential Portfolio Segment [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans in process of foreclosure amount	$ 4.4
Residential Portfolio Segment [Member] | Loans Insured or Guaranteed by US Government Authorities [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans in process of foreclosure amount	10.4
Nonperforming Financial Instruments [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accrued interest writeoff	$ 3.1	$ 2.7	$ 1.7