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BORROWINGS - Revolving Credit Agreement (Details) - USD ($)
3 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Aug. 02, 2019
Line of Credit Facility [Line Items]      
Federal Funds purchased $ 0 $ 22,000,000  
Unsecured revolving credit agreement      
Line of Credit Facility [Line Items]      
Maximum borrowing capacity     $ 30,000,000
Debt instrument, term 1 year    
Federal Funds purchased $ 0 $ 0