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Goodwill and Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Finite-lived Intangible Assets [Roll Forward] |  |  |
Gross Carrying Amount |  | $ 23,203 | $ 23,203
Less: accumulated amortization | $ (14,024) | (12,200) |
Total | 9,179 | 11,003 |
Core Deposits [Member] |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |
Gross Carrying Amount |  | 17,470 | 17,470
Less: accumulated amortization | (11,021) | (9,758) |
Total | 6,449 | 7,712 |
Customer Relationships [Member] |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |
Gross Carrying Amount |  | 5,670 | 5,670
Less: accumulated amortization | (2,940) | (2,379) |
Total | 2,730 | 3,291 |
Trade Names [Member] |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |
Gross Carrying Amount |  | 63 | $ 63
Less: accumulated amortization | $ (63) | $ (63) |

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