FAIR VALUE OF FINANCIAL INSTRUMENTS - Unobservable inputs used in nonrecurring measurements (Details) $ in Thousands	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
FAIR VALUE OF FINANCIAL INSTRUMENTS
Loans, before allowance for credit losses	$ 3,345,962	$ 3,404,417
Foreclosed assets	277	852
Collateral Dependant
FAIR VALUE OF FINANCIAL INSTRUMENTS
Loans, before allowance for credit losses	38,393	36,904
Fair Value, Nonrecurring
FAIR VALUE OF FINANCIAL INSTRUMENTS
Bank premises held for sale	317
Foreclosed assets	277	852
Fair Value, Nonrecurring \| Collateral Dependant
FAIR VALUE OF FINANCIAL INSTRUMENTS
Loans, before allowance for credit losses	34,262	32,685
Fair Value, Nonrecurring \| Level 3
FAIR VALUE OF FINANCIAL INSTRUMENTS
Bank premises held for sale	317
Foreclosed assets	$ 277	$ 852
Fair Value, Nonrecurring \| Level 3 \| Appraisal adjustments
FAIR VALUE OF FINANCIAL INSTRUMENTS
Bank premises held for sale, measurement input	0.07
Foreclosed assets, measurement input	0.07	0.07
Fair Value, Nonrecurring \| Level 3 \| Collateral Dependant
FAIR VALUE OF FINANCIAL INSTRUMENTS
Loans, before allowance for credit losses	$ 34,262	$ 32,685
Fair Value, Nonrecurring \| Level 3 \| Weighted Average \| Appraisal adjustments
FAIR VALUE OF FINANCIAL INSTRUMENTS
Bank premises held for sale, measurement input	0.07
Foreclosed assets, measurement input	0.07	0.07

Foreclosed Assets, Measurement Input

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- Definition

Long-Lived Asset, Held-For-Sale, Measurement Input

+ References

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- Definition

Fair value portion of assets classified as held for sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-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

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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.

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479344/326-20-45-1

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-Topic 326
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- Definition

Carrying amount as of the balance sheet date of all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance; includes real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481990/310-10-45-3

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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-11

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