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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%

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