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FEDERAL HOME LOAN BANK ADVANCES - Additional Information (Details) - USD ($)
$ in Thousands
6 Months Ended
Sep. 30, 2025
Mar. 31, 2025
FEDERAL HOME LOAN BANK ADVANCES    
Loans pledged as collateral $ 1,054,764 $ 1,047,086
Assets pledged as collateral    
FEDERAL HOME LOAN BANK ADVANCES    
Percentage of total assets equal to bank credit line from FHLB 45.00%  
Bank additional borrowing capacity from FHLB $ 207,600  
Assets pledged as collateral | FHLB advances    
FEDERAL HOME LOAN BANK ADVANCES    
Loans pledged as collateral $ 474,600