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FAIR VALUE OF FINANCIAL INSTRUMENTS - Unobservable inputs used in nonrecurring measurements (Details) - Fair Value, Nonrecurring - Level 3 - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Collateral-dependent loans | Appraisal of collateral
FAIR VALUE OF FINANCIAL INSTRUMENTS
Fair Value	$ 31,484	$ 17,460
Alternative Investment, Measurement Input [Extensible Enumeration]	AppraisalAdjustmentsMember	AppraisalAdjustmentsMember
Bank premises held for sale | Appraisal
FAIR VALUE OF FINANCIAL INSTRUMENTS
Fair Value	$ 35	$ 235
Measurement input	7.00%	7.00%
Alternative Investment, Measurement Input [Extensible Enumeration]	AppraisalAdjustmentsMember	AppraisalAdjustmentsMember
Bank premises held for sale | Appraisal | Weighted Average
FAIR VALUE OF FINANCIAL INSTRUMENTS
Measurement input	(7.00%)	(7.00%)
Foreclosed assets | Appraisal
FAIR VALUE OF FINANCIAL INSTRUMENTS
Fair Value	$ 1,519	$ 3,030
Measurement input	7.00%	7.00%
Alternative Investment, Measurement Input [Extensible Enumeration]	AppraisalAdjustmentsMember	AppraisalAdjustmentsMember
Foreclosed assets | Appraisal | Weighted Average
FAIR VALUE OF FINANCIAL INSTRUMENTS
Measurement input	(7.00%)	(7.00%)

X

- Definition

Value of input used to measure assets.

+ References

No definition available.

+ Details

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- Definition

Indicates measurement input for alternative investment.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 31
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482907/825-10-50-31

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

+ Details

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X

- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

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

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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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