LOANS AND ALLOWANCE FOR LOAN LOSSES - Modifications (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 277
Weighted-average term extension (in months)	60 months
Commercial Mortgages
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 277
% of Loan Class	0.03%
Weighted-average interest rate reduction (%)	0.00%
Principal Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 0
Principal Reduction (in thousands)	0
Principal Reduction | Commercial Mortgages
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Interest Rate Reduction | Commercial Mortgages
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	277
Term Extension | Commercial Mortgages
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	277
Combination
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Combination | Commercial Mortgages
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 0