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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Loans by Type (Details) - USD ($) | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022
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LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |  |  |
Loans receivable | $ 1,893,207,000 |  | $ 1,848,139,000 |  |  |
Allowance for credit losses on loans | (20,382,000) | $ (20,023,000) | (19,208,000) | $ (19,056,000) | $ (18,346,000) | $ (16,615,000)
Loans, net | 1,872,825,000 |  | 1,828,931,000 |  |  |
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums, Total | 4,475,000 |  | 4,459,000 |  |  |
Commercial | Commercial real estate - non-owner occupied |  |  |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |  |  |
Loans receivable | 723,964,000 |  | 737,342,000 |  |  |
Allowance for credit losses on loans | (12,177,000) | (12,533,000) | (12,010,000) | (10,603,000) | (9,654,000) | (6,305,000)
Commercial | Commercial real estate - owner occupied |  |  |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |  |  |
Loans receivable | 267,169,000 |  | 237,246,000 |  |  |
Allowance for credit losses on loans | (2,901,000) | (2,718,000) | (2,116,000) | (2,025,000) | (1,942,000) | (1,942,000)
Commercial | All other commercial loans |  |  |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |  |  |
Loans receivable | 431,106,000 |  | 399,693,000 |  |  |
Allowance for credit losses on loans | (3,678,000) | (3,580,000) | (2,918,000) | (3,686,000) | (3,580,000) | (4,142,000)
Residential mortgage loans |  |  |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |  |  |
Loans receivable | 409,824,000 |  | 413,714,000 |  |  |
Allowance for credit losses on loans | (1,112,000) | (769,000) | (1,764,000) | (2,464,000) | (2,864,000) | (2,751,000)
Consumer loans |  |  |  |  |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |  |  |  |  |
Loans receivable | 61,144,000 |  | 60,144,000 |  |  |
Allowance for credit losses on loans | $ (514,000) | $ (423,000) | $ (400,000) | $ (278,000) | $ (306,000) | $ (475,000)

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