SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance on AFS debt securities	$ 0.0	$ 0.0
Period of performance for return to accrual status	6 months
Enrollment term of employee stock purchase plan	6 months
Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net actuarial gain or loss	10.00%
Premises | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Estimated useful live of premises and equipment	5 years
Premises | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Estimated useful live of premises and equipment	39 years
Furniture and equipment | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Estimated useful live of premises and equipment	3 years
Furniture and equipment | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Estimated useful live of premises and equipment	8 years