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ACQUISITIONS - Additional Information (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 USD ($) Acquisition | Dec. 31, 2021 USD ($) Acquisition | Dec. 31, 2020 USD ($) Acquisition | Dec. 31, 2019 USD ($)
Business Acquisition [Line Items] |  |  |  |
Number of businesses acquired | Acquisition | 0 | 1 | 2 |
Goodwill and identifiable intangible assets |  | $ 3,100,000 | $ 2,900,000 |
Liabilities Assumed | $ 0 | 0 | 0 |
Goodwill | 36,212,000 | 36,212,000 | 33,103,000 | $ 30,208,000
Goodwill impairment loss | 0 |  |  |
Amortization of intangible assets | 1,569,000 | 1,598,000 | 1,287,000 |
Wealth Management Division [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Goodwill | 35,600,000 |  |  |
Banking Segment [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Goodwill | $ 563,000 |  |  |
2020 Acquisitions [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Company's acquisition equity |  |  | $ 0 |
Princeton Portfolio Strategies Group [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Fair value of total consideration transferred |  | $ 333,000 |  |

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