DERIVATIVE INSTRUMENTS - Amounts and Locations of Activity Related to Back-to-Back Interest Rate Swaps within Corporation's Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2023	Dec. 31, 2022
3rd Party interest rate swaps
Schedule Of Loans And Allowance For Loan By Class Individually And Collectively Evaluated For Impairment [Line Items]
Notional Amount	$ 31,074	$ 31,417
Weighted Average Maturity (in years)	4 years 8 months 4 days	4 years 10 months 24 days
Weighted Average Fixed Rate	4.12%	4.12%
Fair Value	$ 1,234	$ 1,700
Customer interest rate swaps
Schedule Of Loans And Allowance For Loan By Class Individually And Collectively Evaluated For Impairment [Line Items]
Derivative Liability, Notional Amount	$ (31,074)	$ (31,417)
Weighted Average Maturity (in years)	4 years 8 months 4 days	4 years 10 months 24 days
Weighted Average Fixed Rate	4.12%	4.12%
Fair Value	$ (1,234)	$ (1,700)
LIBOR \| 3rd Party interest rate swaps
Schedule Of Loans And Allowance For Loan By Class Individually And Collectively Evaluated For Impairment [Line Items]
Basis spread on variable rate	1.67%	1.68%
LIBOR \| Customer interest rate swaps
Schedule Of Loans And Allowance For Loan By Class Individually And Collectively Evaluated For Impairment [Line Items]
Basis spread on variable rate	1.67%	1.68%

Derivative instrument maturity period.

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- Definition

Schedule Of Loans And Allowance For Loan By Class Individually And Collectively Evaluated For Impairment [Line Items]

+ References

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- Definition

Nominal or face amount used to calculate payments on the derivative asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
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-Topic 815
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- Definition

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References

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-Publisher FASB
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-SubTopic 10
-Section 45
-Paragraph 5
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- Definition

The percentage points added to the reference rate to compute the variable rate on the interest rate derivative.

+ References

No definition available.

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

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- Definition

Nominal or face amount used to calculate payments on the derivative liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
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-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
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-Section 50
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-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

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