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BORROWINGS (Details) - USD ($)
1 Months Ended 9 Months Ended
Oct. 31, 2020
Jun. 30, 2022
Sep. 30, 2021
Contractual Maturities of FHLB Advances [Abstract]      
2023/2022   $ 11,905,000 $ 4,000,000
2024/2023   18,860,000 12,040,000
2025/2024   7,080,000 18,860,000
2025     7,080,000
FHLB advances   $ 37,845,000 $ 41,980,000
Weighted Average Interest Rates of FHLB Advances [Abstract]      
2023/2022   2.23% 2.02%
2024/2023   0.98% 2.23%
2025/2024   0.58% 0.98%
2025     0.58%
Weighted average rate   1.30% 1.37%
Borrowings [Abstract]      
Additional eligible borrowings from FHLB   $ 183,300,000  
Short-term Debt   56,963,000 $ 159,642,000
Subordinated Notes [Member]      
Borrowings [Abstract]      
Unamortized debt issuance costs   $ 400,000 $ 500,000
Federal Home Loan Bank Advances      
Borrowings [Abstract]      
Maturity date, earliest   2023 2021
Maturity date, last   2025 2025
Unsecured Debt [Member]      
Borrowings [Abstract]      
Line of credit available for borrowing   $ 55,000,000  
Borrowings outstanding   $ 250,000 $ 0
Private Placement [Member] | Subordinated Notes [Member]      
Borrowings [Abstract]      
Aggregate principal amount $ 25,000,000.0    
Debt instrument, maturity date Dec. 31, 2030    
Private Placement [Member] | Subordinated Notes [Member] | Until October 15, 2025 [Member]      
Borrowings [Abstract]      
Borrowing rate of interest 5.00%    
Private Placement [Member] | Subordinated Notes [Member] | From and Including October 15, 2025 [Member] | Secured Overnight Financing Rate [Member]      
Borrowings [Abstract]      
Basis spread on variable rate   4.874%  
Term of variable rate   3 months  
Minimum      
Borrowings [Abstract]      
FHLB Interest rate   0.37%  
Maximum      
Borrowings [Abstract]      
FHLB Interest rate   2.96%  
PPPLF [Member]      
Borrowings [Abstract]      
Short-term Debt   $ 18,900,000 $ 117,700,000
Borrowing rate of interest   0.35% 0.35%
PPP Loans [Member] | Minimum      
Borrowings [Abstract]      
Debt instrument, term   2 years  
PPP Loans [Member] | Maximum      
Borrowings [Abstract]      
Debt instrument, term   5 years  
Residential and Commercial Mortgage Loans [Member]      
Borrowings [Abstract]      
Amount of collateral pledged   $ 673,500,000 $ 432,700,000