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DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS - Fair value, assets measured on recurring basis (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Agency mortgage-backed securities |  |
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements |  |
Assets fair value | $ 260,489 | $ 286,482
Agency collateralized mortgage obligations |  |
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements |  |
Assets fair value | 73,134 | 78,474
States and political subdivisions securities |  |
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements |  |
Assets fair value | 52,390 | 57,495
Small Business Administration securities |  |
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements |  |
Assets fair value | 61,935 | 68,141
Interest rate derivative asset |  |
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements |  |
Assets fair value | 10,619 | 11,061
Interest rate derivative liability |  |
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements |  |
Liabilities fair value | (45,502) | (42,097)
Level 2 | Agency mortgage-backed securities |  |
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements |  |
Assets fair value | 260,489 | 286,482
Level 2 | Agency collateralized mortgage obligations |  |
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements |  |
Assets fair value | 73,134 | 78,474
Level 2 | States and political subdivisions securities |  |
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements |  |
Assets fair value | 52,390 | 57,495
Level 2 | Small Business Administration securities |  |
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements |  |
Assets fair value | 61,935 | 68,141
Level 2 | Interest rate derivative asset |  |
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements |  |
Assets fair value | 10,619 | 11,061
Level 2 | Interest rate derivative liability |  |
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements |  |
Liabilities fair value | (45,502) | (42,097)
Level 3 |  |
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements |  |
Available-for-Sale Securities | $ 0 | $ 0

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