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BUSINESS COMBINATIONS - Pro Forma (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Business Acquisition [Line Items] |  |  |  |
Business Acquisition, Pro Forma Revenue |  | $ 59,084 |  | $ 171,873
Business Acquisition, Pro Forma Net Income (Loss) |  | $ 16,624 |  | $ 40,866
Northway Financial, Inc "NFI" |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business Acquisition, Pro Forma Revenue | $ 65,398 |  | $ 187,728 |
Business Acquisition, Pro Forma Net Income (Loss) | $ 21,442 |  | $ 52,070 |

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