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BORROWINGS - SUBORDINATED DEBT (Details) - Subordinated Debt [Member] - Fixed-to-Floating Rate Subordinated Notes, 5.25 Percent, Due 2030 [Member] - USD ($) $ in Millions	Sep. 15, 2025	Sep. 30, 2023	Dec. 31, 2022	Aug. 10, 2020
Debt Instrument [Line Items]
Debt Instrument, Face Amount				$ 65.0
Debt Instrument, Interest Rate, Stated Percentage				5.25%
Debt Instrument, Face Amount, Debt Issued, Percentage of Par				100.00%
Long-term Debt		$ 63.8	$ 63.7
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Forecast [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	5.21%

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Debt Instrument, Face Amount, Debt Issued, Percentage of Par

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