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DERIVATIVES AND HEDGING ACTIVITIES - Non-designated Hedges (Details) - Nondesignated Hedges	3 Months Ended
	Mar. 31, 2023 USD ($) contract loan	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($) loan contract
DERIVATIVES AND HEDGING ACTIVITIES
Gains (losses) on fair value hedges recognized in earnings | $	$ (291,000)	$ 152,000
Commercial customers
DERIVATIVES AND HEDGING ACTIVITIES
Total notional amount of the swaps | $	111,100,000		$ 107,000,000.0
Interest rate contract | Third parties
DERIVATIVES AND HEDGING ACTIVITIES
Total notional amount of the swaps | $	$ 111,100,000		$ 107,000,000
Interest rate swaps
DERIVATIVES AND HEDGING ACTIVITIES
Number of participation loans purchased | loan	1		1
Participating mortgage loans, mortgage obligations amount | $	$ 8,800,000		$ 8,800,000
Interest rate swaps | Third parties
DERIVATIVES AND HEDGING ACTIVITIES
Number of interest rate derivatives held | contract	7		6
Interest rate swaps | Commercial customers
DERIVATIVES AND HEDGING ACTIVITIES
Number of interest rate derivatives held | contract	7		6
Interest rate cap | Third parties
DERIVATIVES AND HEDGING ACTIVITIES
Number of interest rate derivatives held | contract	1		1
Interest rate cap | Commercial customers
DERIVATIVES AND HEDGING ACTIVITIES
Number of interest rate derivatives held | contract	1		1

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
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