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SECURITIES - Trading Securities (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Debt and Equity Securities, FV-NI [Line Items] |  |
Equity securities | $ 8,948 | $ 9,615
Corporate equity securities |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Equity securities | 5,327 | 6,973
Mutual funds |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Equity securities | 2,086 | 1,406
Money market funds |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Equity securities | 865 | 479
Corporate notes |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Equity securities | $ 670 | $ 757

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