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COMMITMENTS AND CONTINGENCIES - Additional Information (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jul. 01, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2022
Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]          
Concentration risk, Credit risk, Financial instruments, Off balance sheet risk       Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee. The commitments for construction loans and lines of credit may expire without being drawn upon. Therefore, the total commitment amounts do not necessarily represent future cash requirements.  
Operating leases, Future minimum payments due, Next twelve months   $ 59,000   $ 59,000  
Operating leases, Future minimum payments, Due in two years   117,000   117,000  
Operating leases, Future minimum payments, Due in three years   117,000   117,000  
Operating leases, Future minimum payments, Due in four years   117,000   117,000  
Operating leases, Future minimum payments, Due in five years   119,000   119,000  
Operating leases, Future minimum payments, Due thereafter   655,000   655,000  
Operating leases, Rent expense   $ 34,000 $ 23,000 $ 68,000 $ 45,000
renewal option to extend lease payments       five years  
Operating lease liabilities $ 1,000,000.0        
Weighted average remaining lease term for operating leases   9 years 4 months 17 days   9 years 4 months 17 days  
Weighted average discount rate used in the measurement of operating lease liabilities   3.56%   3.56%