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LONG-TERM BORROWINGS - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Short-term Debt [Line Items]    
Fair value of securities pledged $ 37,735,000 $ 23,695,000
Advance from FHLB 35,000,000 $ 45,000,000
Loans pledged to FHLB 605,865,000  
Maximum borrowing capacity 433,394,000  
Investment securities pledged as collateral to FHLB 0  
Letter of Credit    
Short-term Debt [Line Items]    
Advance from FHLB $ 0  
Maximum    
Short-term Debt [Line Items]    
Federal funds purchased, securities sold under agreements to repurchase and Federal Home Loan Bank advances, maturity 30 days