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ALLOWANCE FOR CREDIT LOSSES - LOANS - Loan modifications to borrowers experiencing financial difficulty (Details) - USD ($)	3 Months Ended						12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Jun. 30, 2023	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Line Items]
Unfunded loan commitments	$ 0				$ 0		$ 0	$ 0
Charge-Offs							2,205,000	3,641,000
Commercial Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Charge-Offs							1,998,000	3,312,000
Extended Maturity [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized Cost Basis	154,000				37,000		154,000	37,000
Extended Maturity and Interest Rate Reduction [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized Cost Basis					6,243,000			6,243,000
Payment Deferral
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized Cost Basis	152,000						152,000
Extended Maturity and Principal Forgiveness
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized Cost Basis	480,000						480,000
Commercial real estate (owner occupied) | Commercial Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Charge-Offs							0
Commercial real estate (owner occupied) | Payment Deferral
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized Cost Basis	$ 152,000						$ 152,000
Percentage of Total Class of Loans							0.17%
Commercial real estate (owner occupied) | Payment Deferral | Commercial Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Additional amortization period	60 months						60 months
Other commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Charge-Offs							$ 427,000	480,000
Other commercial and industrial | Commercial Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Charge-Offs					405,000		427,000	480,000
Other commercial and industrial | Extended Maturity [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized Cost Basis	$ 154,000						$ 154,000
Percentage of Total Class of Loans							0.10%
Term extension date	1 year	90 days	90 days	90 days
Other commercial and industrial | Extended Maturity and Principal Forgiveness
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized Cost Basis	$ 480,000						$ 480,000
Percentage of Total Class of Loans							0.33%
Term extension date							4 years
Residential mortgages
Financing Receivable, Allowance for Credit Loss [Line Items]
Charge-Offs							$ 0	54,000
Residential mortgages | Extended Maturity [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized Cost Basis					37,000			$ 37,000
Percentage of Total Class of Loans								0.02%
Term extension date								15 years
Other commercial real estate (non-owner occupied)
Financing Receivable, Allowance for Credit Loss [Line Items]
Term extension date							3 months
Charge-Offs							$ 1,571,000	$ 804,000
Other commercial real estate (non-owner occupied) | Commercial Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Charge-Offs							$ 1,571,000	804,000
Other commercial real estate (non-owner occupied) | Extended Maturity and Interest Rate Reduction [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized Cost Basis					6,243,000			$ 6,243,000
Percentage of Total Class of Loans								2.60%
Deferred interest income, period						7 months
Deferred interest income						$ 303,000
Charge-Offs					$ 804,000

X

- Definition

The amount of financing receivable excluding accrued interest relating unfunded loan.

+ References

No definition available.

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- Definition

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+ References

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- Definition

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+ References

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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
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph c
-Publisher SEC

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
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-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
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- Definition

Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

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-Publisher FASB
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- Definition

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
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