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BORROWINGS (Details)
9 Months Ended
Sep. 30, 2020
USD ($)
item
Dec. 31, 2019
USD ($)
BORROWINGS    
Borrowings $ 63,505,000 $ 64,551,000
Collateral Pledged    
BORROWINGS    
Amortized cost estimated fair value 27,594,000  
Federal Home Loan Bank borrowings    
BORROWINGS    
Borrowings $ 63,181,000 64,148,000
Federal Home Loan Bank Borrowing Weighted Average Interest Rate 1.67%  
Federal Home Loan Bank borrowings | Mortgage related and municipal securities | Collateral Pledged    
BORROWINGS    
Available for sale equity securities $ 22,324,000  
Amortized cost estimated fair value 22,979,000  
Federal Home Loan Bank borrowings | FHLB stock    
BORROWINGS    
Stock owned and pledged as collateral 4,924,000  
Federal Home Loan Bank borrowings | One to four family residential real estate    
BORROWINGS    
Loans pledged as collateral $ 56,314,000  
Correspondent bank line of credit    
BORROWINGS    
Number of banking borrowing relationships | item 1  
Correspondent bank line of credit | LIBOR    
BORROWINGS    
Variable rate basis LIBOR  
Variable rate (as a percent) 2.00%  
Correspondent bank line of credit | LIBOR | Minimum    
BORROWINGS    
Floor rate (as a percent) 3.00%  
Correspondent bank line of credit | LIBOR | Maximum    
BORROWINGS    
Floor rate (as a percent) 22.00%  
USDA Rural Development note    
BORROWINGS    
Borrowings $ 324,000 $ 403,000
Interest rate on note (as a percent) 1.00%  
USDA Rural Development note | First Rural Relending    
BORROWINGS    
Demand deposit account pledged as collateral $ 374,000  
Revolving Credit Facility    
BORROWINGS    
Maximum borrowing capacity 15,000,000.0  
Line of Credit $ 0  
Revolving Credit Facility | LIBOR    
BORROWINGS    
LIBOR rate at point of time 0.23%  
Paycheck Protection Program Lending Facility [Member]    
BORROWINGS    
Debt Instrument, Interest Rate, Effective Percentage 0.35%  
Loans pledged as collateral $ 0