DERIVATIVE FINANCIAL INSTRUMENTS - (Details)	3 Months Ended
	Mar. 31, 2025 USD ($) item	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)
Derivative Financial Instruments
Net impact		$ 1,000
Asset pledged
Derivative Financial Instruments
Margin Deposit Assets	$ 1,090,000
Interest rate swap agreements
Derivative Financial Instruments
Aggregate notional amount	$ 140,772,000		$ 141,940,000
Number of derivative instruments originated | item	0
Asset Derivatives, Notional Amount	$ 70,386,000		70,970,000
Asset Derivatives, Fair Value	1,882,000		2,385,000
Liability Derivatives, Notional Amount	70,386,000		70,970,000
Liability Derivatives, Fair Value	1,882,000		2,385,000
RPA Out
Derivative Financial Instruments
Asset Derivatives, Notional Amount	6,924,000		6,957,000
Asset Derivatives, Fair Value	3,000		2,000
Liability Derivatives, Notional Amount	0		0
Liability Derivatives, Fair Value	0		0
RPA In
Derivative Financial Instruments
Asset Derivatives, Notional Amount	0		0
Asset Derivatives, Fair Value	0		0
Liability Derivatives, Notional Amount	9,874,000		9,916,000
Liability Derivatives, Fair Value	3,000		$ 2,000
Derivatives not designated as hedging instruments | Interest rate swap agreements
Derivative Financial Instruments
Interest rate swap	$ 0