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INVESTMENT SECURITIES (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Sep. 30, 2022
Debt and Equity Securities, FV-NI [Line Items]    
Accrued interest receivable ("AIR") $ 1,100 $ 1,600
Asset backed securities pledged to secure certain deposits 50,900 55,600
Recognized net gains 600  
Securities available for sale ("AFS"), at fair value 497,839 $ 464,502
Available for Sale Securities Sold    
Debt and Equity Securities, FV-NI [Line Items]    
Securities available for sale ("AFS"), at fair value $ 11,900