FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK - Summary of Commitment and Contingent Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Loss Contingencies [Line Items]
Other Commitments	$ 102,352	$ 112,410
TOTAL	729,495	820,027
Home Equity
Loss Contingencies [Line Items]
TOTAL	88,198	91,218
Commercial Operating Lines
Loss Contingencies [Line Items]
TOTAL	538,945	616,399
Commercial letters of credit
Loss Contingencies [Line Items]
TOTAL	$ 7,456	$ 7,834