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DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS - Fair value, assets measured on recurring basis (Details) - USD ($) $ in Thousands | Mar. 31, 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 | $ 287,388 | $ 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 | 79,759 | 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 | 57,906 | 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 | 68,277 | 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 | 9,992 | 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 | (31,469) | (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 | 287,388 | 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 | 79,759 | 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 | 57,906 | 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 | 68,277 | 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 | 9,992 | 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 | (31,469) | (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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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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