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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES -Impact of Adoption (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Jan. 01, 2023 | Dec. 31, 2022 | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | --- | --- | --- | ---
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Reserves under Incurred Loss Model |  |  | $ 25,178 | $ 21,508 | $ 21,180
Allowance for credit loss impact of adoption | $ 28,364 |  | 25,178 |  |
Off-balance-sheet, credit risk exposure liability | $ 1,700 |  | 1,633 |  |
Commercial real estate | Commercial Real Estate |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Reserves under Incurred Loss Model |  |  | 13,558 |  |
Commercial real estate | Acquisition And Development |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Reserves under Incurred Loss Model |  |  | 3,214 |  |
Commercial real estate | Commercial and Industrial |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Reserves under Incurred Loss Model |  |  | 4,505 |  |
Commercial real estate | Municpal |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Reserves under Incurred Loss Model |  |  | 24 |  |
Consumer Portfolio Segment | Residential Mortgages |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Reserves under Incurred Loss Model |  |  | 3,444 |  |
Consumer Portfolio Segment | Installment and other loans |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Reserves under Incurred Loss Model |  |  | 188 |  |
Consumer Portfolio Segment | Unallocated reserve |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Reserves under Incurred Loss Model |  |  | 245 |  |
Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Allowance for credit loss impact of adoption |  | $ 27,601 |  |  |
Off-balance-sheet, credit risk exposure liability |  | 1,733 |  |  |
Cumulative Effect, Period of Adoption, Adjusted Balance | Residential Mortgages |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Allowance for credit loss impact of adoption |  | 2,323 |  |  |
Cumulative Effect, Period of Adoption, Adjusted Balance | Installment and other loans |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Allowance for credit loss impact of adoption |  | 237 |  |  |
Cumulative Effect, Period of Adoption, Adjusted Balance | Unallocated reserve |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Allowance for credit loss impact of adoption |  | 0 |  |  |
Cumulative Effect, Period of Adoption, Adjusted Balance | Commercial real estate | Commercial Real Estate |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Allowance for credit loss impact of adoption |  | 16,415 |  |  |
Cumulative Effect, Period of Adoption, Adjusted Balance | Commercial real estate | Acquisition And Development |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Allowance for credit loss impact of adoption |  | 3,000 |  |  |
Cumulative Effect, Period of Adoption, Adjusted Balance | Commercial real estate | Commercial and Industrial |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Allowance for credit loss impact of adoption |  | 5,433 |  |  |
Cumulative Effect, Period of Adoption, Adjusted Balance | Commercial real estate | Municpal |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Allowance for credit loss impact of adoption |  | 193 |  |  |
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Allowance for credit loss impact of adoption |  | 2,423 | $ 2,423 |  |
Off-balance-sheet, credit risk exposure liability |  | 100 |  |  |
Cumulative Effect, Period of Adoption, Adjustment | Residential Mortgages |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Allowance for credit loss impact of adoption |  | (1,121) |  |  |
Cumulative Effect, Period of Adoption, Adjustment | Installment and other loans |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Allowance for credit loss impact of adoption |  | 49 |  |  |
Cumulative Effect, Period of Adoption, Adjustment | Unallocated reserve |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Allowance for credit loss impact of adoption |  | (245) |  |  |
Cumulative Effect, Period of Adoption, Adjustment | Commercial real estate | Commercial Real Estate |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Allowance for credit loss impact of adoption |  | 2,857 |  |  |
Cumulative Effect, Period of Adoption, Adjustment | Commercial real estate | Acquisition And Development |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Allowance for credit loss impact of adoption |  | (214) |  |  |
Cumulative Effect, Period of Adoption, Adjustment | Commercial real estate | Commercial and Industrial |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Allowance for credit loss impact of adoption |  | 928 |  |  |
Cumulative Effect, Period of Adoption, Adjustment | Commercial real estate | Municpal |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Allowance for credit loss impact of adoption |  | $ 169 |  |  |

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