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BUSINESS COMBINATIONS - Pro Forma (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Business Acquisition [Line Items] |  |
Business Acquisition, Pro Forma Revenue |  | $ 56,538
Business Acquisition, Pro Forma Net Income (Loss) |  | $ 7,558
Northway Financial, Inc "NFI" |  |
Business Acquisition [Line Items] |  |
Business Acquisition, Pro Forma Revenue | $ 60,054 |
Business Acquisition, Pro Forma Net Income (Loss) | $ 16,047 |

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