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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Narrative (Details) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 USD ($) loan | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Accrued interest receivable on loans | $ 8,000,000.0 | $ 7,800,000 |
Loans, net of deferred loan fees | 2,071,419,000 | 1,972,664,000 |
Residential mortgages held for sale | 0 | 0 |
Allowance for credit losses | 21,388,000 | 22,517,000 | $ 19,659,000
Loans individually analyzed | $ 6,471,000 | 8,035,000 |
Number of days past due after which a retail loan is rated | 90 days |  |
Collateral Pledged |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Allowance for credit losses | $ 171,000 | 267,000 |
Loans individually analyzed | 5,089,000 | 6,347,000 |
Commercial, Industrial And Agricultural Sector |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of deferred loan fees | 300,000 | 300,000 |
Commercial and industrial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of deferred loan fees | 299,521,000 | 264,396,000 |
Residential Mortgages and Home Equity Loans | Asset Pledged as Collateral |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Financial instruments, owned, at fair value | 244,600,000 | 254,600,000 |
Commercial and Industrial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans, net of deferred loan fees | 299,521,000 | 264,396,000 |
Allowance for credit losses | 4,520,000 | 5,055,000 | $ 3,373,000
Loans individually analyzed | $ 1,512,000 | 2,067,000 |
Commercial and Industrial | Commercial and industrial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Number of contracts modified | loan | 1 |  |
Allowance for credit losses | $ 700,000 | $ 900,000 |

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