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BORROWED MONEY - Summary of Fixed-Rate Advances (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Federal Home Loan Bank, Advances, Fiscal Year Maturity [Abstract]    
Federal Home Loan Bank advances $ 47,500 $ 109,101
Fixed-rate Advances, With Monthly Interest Payments    
Federal Home Loan Bank, Advances, Maturities Summary, Average Interest Rate of Amounts Due [Abstract]    
2021 (percent) 0.22%  
2024 (percent) 1.76%  
Federal Home Loan Bank, Advances, Fiscal Year Maturity [Abstract]    
2022 $ 41,500  
2024 6,000  
Federal Home Loan Bank advances $ 47,500