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DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Additional information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) item	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($) item	Apr. 30, 2020 USD ($)	Nov. 30, 2019 USD ($)
Derivative [Line Items]
Acquisition, conversion and other expenses	$ 283	$ 266	$ 1,667
Notional amount of interest rate swap	824,393	774,019
Designated as hedging instrument | Cash flow hedges
Derivative [Line Items]
Notional amount of interest rate swap	125,000	125,000
Designated as hedging instrument | Cash flow hedges | Interest rate swap on variable rate loans
Derivative [Line Items]
Variable rate loan assets	50,000
Notional amount of interest rate swap	$ 50,000	50,000
Designated as hedging instrument | Cash flow hedges | Interest rate swap on variable rate loans | London Interbank Offered Rate Less Two Days
Derivative [Line Items]
Variable interest rate	0.806%
Designated as hedging instrument | Cash flow hedges | Interest rate swap on variable rate loans | SOFR
Derivative [Line Items]
Interest rate margin	0.11%
Designated as hedging instrument | Cash flow hedges | Interest rate swap on wholesale funding
Derivative [Line Items]
Derivative, Number of Instruments Held | item	2
Term of interest rate swap	5 years
Fixed rate of interest rate swap					0.59%	1.53%
Notional amount of interest rate swap	$ 75,000	75,000			$ 25,000	$ 50,000
Designated as hedging instrument | Cash flow hedges | Interest rate swap on wholesale funding | SOFR
Derivative [Line Items]
Interest rate margin	0.26%
Designated as hedging instrument | Fair Value Hedging
Derivative [Line Items]
Notional amount of interest rate swap	$ 37,190	37,190
Designated as hedging instrument | Fair Value Hedging | Interest rate swap on deposits
Derivative [Line Items]
Derivative, Number of Instruments Held | item				8
Notional amount of interest rate swap	37,190	37,190		$ 37,200
Fixed interest rate, weighted average				1.696%
Designated as hedging instrument | Economic hedges
Derivative [Line Items]
Notional amount of interest rate swap	$ 659,050	$ 611,829

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