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ACQUISITIONS - Loans acquired (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 USD ($)
Steuben Trust Corporation [Member] | Acquired Impaired |
Certain loans acquired during the period: |
Par value of PCD loans at acquisition | $ 2,184
Allowance for credit losses at acquisition | (71)
Non-credit premium at acquisition | (81)
Fair value of PCD loans at acquisition | 2,032
Elmira Savings Bank ("Elmira") | Non-PCD Loans |
Certain loans acquired during the period: |
Unpaid principal balance | 455,700
Net discount | $ 20,800

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