FAIR VALUE OF FINANCIAL INSTRUMENTS - Unobservable inputs used in nonrecurring measurements (Details) $ in Thousands	Jun. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)
FAIR VALUE OF FINANCIAL INSTRUMENTS
Loans, before allowance for credit losses	$ 3,385,483	$ 3,404,417
Foreclosed assets	320	852
Fair Value, Nonrecurring
FAIR VALUE OF FINANCIAL INSTRUMENTS
Bank premises held for sale	317
Foreclosed assets	320	852
Fair Value, Nonrecurring \| Collateral-dependent loans
FAIR VALUE OF FINANCIAL INSTRUMENTS
Loans, before allowance for credit losses	28,517	32,685
Fair Value, Nonrecurring \| Level 3
FAIR VALUE OF FINANCIAL INSTRUMENTS
Bank premises held for sale	317
Foreclosed assets	$ 320	$ 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-dependent loans
FAIR VALUE OF FINANCIAL INSTRUMENTS
Loans, before allowance for credit losses	$ 28,517	$ 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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- 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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