DERIVATIVE FINANCIAL INSTRUMENTS - Interest rate contracts not designated as hedging instruments (Details) - Not Designated as Hedging Instrument - Interest Rate Swap - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Other Assets
DERIVATIVE FINANCIAL INSTRUMENTS
Derivative asset notional amount	$ 101,612	$ 106,995
Derivative financial assets	9,674	6,981
Other Assets \| Commercial Borrower
DERIVATIVE FINANCIAL INSTRUMENTS
Derivative asset notional amount	0	0
Derivative financial assets	0	0
Other Assets \| Financial Institutions Borrower
DERIVATIVE FINANCIAL INSTRUMENTS
Derivative asset notional amount	101,612	106,995
Derivative financial assets	9,674	6,981
Other Liabilities
DERIVATIVE FINANCIAL INSTRUMENTS
Derivative liability notional amount	101,612	106,995
Derivative financial liabilities fair value	(9,674)	(6,981)
Other Liabilities \| Commercial Borrower
DERIVATIVE FINANCIAL INSTRUMENTS
Derivative liability notional amount	101,612	106,995
Derivative financial liabilities fair value	(9,674)	(6,981)
Other Liabilities \| Financial Institutions Borrower
DERIVATIVE FINANCIAL INSTRUMENTS
Derivative liability notional amount	0	0
Derivative financial liabilities fair value	$ 0	$ 0

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