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SUMMARY OF SIGNIFICANT ACCOUNTING AND REPORTING POLICIES (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 USD ($) segment banking_offices | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Organization and Basis of Presentation [Abstract] |  |  |  |
Number of branches | banking_offices | 55 |  |  |
Number of branches in grocery stores | banking_offices | 13 |  |  |
Segment Information [Abstract] |  |  |  |
Number of reportable segments | segment | 1 |  |  |
Goodwill and Other Intangible Assets [Abstract] |  |  |  |
Goodwill impairment loss | $ 0 | $ 0 |  |
Amortization expense of intangible assets | 1,697,000 | 2,273,000 | $ 2,849,000 |
Derivative Instruments and Hedges, Assets [Abstract] |  |  |  |
Debt Securities, Held-to-maturity, Allowance for Credit Loss | $ 0 |  |  |
Financing Receivable, Threshold Period Past Due | 90 days |  |  |
Financing Receivable, Threshold Period Past Due, Writeoff | 120 days |  |  |
Goodwill, Impaired, Accumulated Impairment Loss | $ 0 | 0 |  |
Equity balance | 773,288,000 | 745,997,000 | 912,172,000 | $ 875,297,000
Internal Noninvestment Grade |  |  |  |
Organization and Basis of Presentation [Abstract] |  |  |  |
Amortized cost | 6,400,000 |  |  |
Retained Earnings |  |  |  |
Derivative Instruments and Hedges, Assets [Abstract] |  |  |  |
Equity balance | 282,355,000 | 239,610,000 | 179,813,000 | $ 111,208,000
Core deposit intangible |  |  |  |
Goodwill and Other Intangible Assets [Abstract] |  |  |  |
Intangible assets, net | 1,400,000 |  |  |
Trust relationship intangible |  |  |  |
Goodwill and Other Intangible Assets [Abstract] |  |  |  |
Intangible assets, net | 1,500,000 |  |  |
Core Deposit Intangible and Trust Relationship Intangible [Member] |  |  |  |
Goodwill and Other Intangible Assets [Abstract] |  |  |  |
Amortization expense of intangible assets | $ 1,700,000 | $ 2,300,000 | $ 2,800,000 |
Premises | Minimum |  |  |  |
Premises and Equipment [Abstract] |  |  |  |
Estimated useful life | 15 years |  |  |
Premises | Maximum |  |  |  |
Premises and Equipment [Abstract] |  |  |  |
Estimated useful life | 40 years |  |  |
Equipment | Minimum |  |  |  |
Premises and Equipment [Abstract] |  |  |  |
Estimated useful life | 3 years |  |  |
Equipment | Maximum |  |  |  |
Premises and Equipment [Abstract] |  |  |  |
Estimated useful life | 10 years |  |  |

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