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DERIVATIVES AND HEDGING ACTIVITIES - Non-designated Hedges and Fair value hedges (Details) | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jan. 31, 2024 USD ($) | Sep. 30, 2025 USD ($) contract | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) contract | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) contract loan | Feb. 28, 2023 USD ($)
Nondesignated Hedges |  |  |  |  |  |  |
DERIVATIVES AND HEDGING ACTIVITIES |  |  |  |  |  |  |
Gains (losses) on fair value hedges recognized in earnings |  | $ 2,000 | $ 37,000 | $ 54,000 | $ 57,000 |  |
Nondesignated Hedges | Commercial customers |  |  |  |  |  |  |
DERIVATIVES AND HEDGING ACTIVITIES |  |  |  |  |  |  |
Total notional amount of the swaps |  | 85,000,000 |  | 85,000,000 |  | $ 86,700,000 |
Interest rate contract | Nondesignated Hedges | Third parties |  |  |  |  |  |  |
DERIVATIVES AND HEDGING ACTIVITIES |  |  |  |  |  |  |
Total notional amount of the swaps |  | $ 85,000,000 |  | $ 85,000,000 |  | $ 86,700,000 |
Interest rate swaps | Nondesignated Hedges |  |  |  |  |  |  |
DERIVATIVES AND HEDGING ACTIVITIES |  |  |  |  |  |  |
Number of interest rate derivatives held | contract |  | 5 |  | 5 |  | 5 |
Number of participation loans purchased | loan |  |  |  |  |  | 1 |
Participating mortgage loans, mortgage obligations amount |  |  |  |  |  | $ 8,400,000 |
Interest rate swaps | Nondesignated Hedges | Third parties |  |  |  |  |  |  |
DERIVATIVES AND HEDGING ACTIVITIES |  |  |  |  |  |  |
Number of interest rate derivatives held | contract |  | 5 |  | 5 |  | 5 |
Interest rate swaps | Fair Value Hedges |  |  |  |  |  |  |
DERIVATIVES AND HEDGING ACTIVITIES |  |  |  |  |  |  |
Total notional amount of the swaps |  |  |  |  |  |  | $ 95,000,000
Fixed rate of interest |  |  |  |  |  |  | 4.65%
Net settled payment | $ 26,500 |  |  |  |  |  |
Brokered deposit | $ 163,000 |  |  |  |  |  |

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