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LOANS - Additional Information (Details) | 12 Months Ended
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Dec. 31, 2023 USD ($) Loan | Dec. 31, 2022 USD ($) Loan | Dec. 31, 2021 USD ($) Loan
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Loans held for sale, at lower of cost or fair value | $ 6,695,000 | $ 15,626,000 |
Gain (loss) on loans held for sale at lower of cost or fair value |  |  | $ 1,142,000
Loan receivable, validate risk ratings performed for large sample or new lending to existing relationships | 1,000,000 |  |
Loan receivable, validate risk ratings performed for criticized and classified rated borrowers with relationship exposure, value | 500,000 |  |
Loan receivable, validate risk ratings performed for new federal reserve board regulation "O" loan commitments, value |  | $ 1,000,000 |
Loan receivable validate risk ratings performed for leveraged loans, value | 1,000,000 |  |
Loan receivable validate risk ratings performed for no borrower with commitments, value | 500,000 |  |
Number of Loans | Loan |  | 1 | 5
Troubled debt restructurings specific reserves to customers | 1,200,000 |  |
Substandard [Member] |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Financing receivable individually evaluated loan | 60,600,000 | $ 14,700,000 |
Minimum [Member] |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Loan receivable, validate risk ratings performed for large sample of borrowers with relationship, value | 1,000,000 |  |
Maximum [Member] |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Loan receivable, validate risk ratings performed for small sample of borrowers with relationship, value | 1,000,000 |  |
Multifamily Property [Member] | Substandard [Member] |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Financing receivable increase in individually evaluated substandard loans | $ 16,600,000 |  |
Number of Loans | Loan | 3 |  |
Investment Property [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Number of Loans | Loan |  | 1 |
Freight Credit [Member] | Substandard [Member] |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Financing receivable increase in individually evaluated substandard loans | $ 23,500,000 |  |
Number of Loans | Loan | 1 |  |

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