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SECURITIES - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Debt and Equity Securities, FV-NI [Line Items] |  |  |
Transfer from securities held-to-maturity | $ 0 | $ 0 |
Number of holdings of securities of any one issuer in an amount greater than 10% of stockholders equity | 0 |  | 0
Threshold for disclosure percentage | 10.00% |  | 10.00%
Allowance for Credit Losses | $ 893 |  |
Accrued interest receivable on securities | 4,100 |  | $ 5,700
Unrealized losses are related to credit losses | 0 |  |
Sales of securities held-to-maturity | 0 | $ 0 |
Asset Pledged as Collateral [Member] |  |  |
Debt and Equity Securities, FV-NI [Line Items] |  |  |
Carrying amount of securities pledged | 677,100 |  | 622,700
Corporate securities |  |  |
Debt and Equity Securities, FV-NI [Line Items] |  |  |
Available for sale debt securities, unrealized loss position due to credit | 148,529 |  | $ 144,049
Allowance for Credit Losses | 893 |  |
Corporate debt securities One |  |  |
Debt and Equity Securities, FV-NI [Line Items] |  |  |
Allowance for Credit Losses | $ 893 |  |

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