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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