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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
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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- Definition

Represents the monetary amount of Recurring Assets, Fair Value Disclosure, as of the indicated date.

+ References

No definition available.

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- Definition

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+ References

No definition available.

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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-3

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- Definition

Fair value of securitized, pay-through debt securities collateralized by real estate mortgage loans classified as available-for-sale.

+ References

No definition available.

+ Details

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