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RETIREMENT PLANS (Details) - Supplemental Executive Retirement Plan (SERP) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Fair value of plan assets | $ 20,300 |  | $ 20,300 |  | $ 18,500
Trading (losses) gains related to the SERP assets | 1,200 | $ 753 | 1,800 | $ 2,700 |
Retirement plan liabilities | 23,500 |  | 23,500 |  | $ 21,700
Change in fair value of liability unrealized gains (losses) | $ 1,300 | $ 850 | $ 2,000 | $ 3,000 |

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