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INVESTMENT SECURITIES - PRIVATE LABEL MORTGAGE-BACKED SECURITY (Details) - USD ($)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Marketable Securities [Line Items]      
Number of securities held 191 179  
Private label mortgage backed security      
Marketable Securities [Line Items]      
Number of securities held 1    
Securities $ 1,773,000    
Additional impairment charge that may be recognized 443,000    
Balance, beginning of period 1,462,000 $ 1,462,000 $ 1,462,000
Recovery of losses previously recorded 0 0 0
Balance, end of period $ 1,462,000 $ 1,462,000 $ 1,462,000