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IMPAIRMENT OF INVESTMENT SECURITIES (Narrative) (Details)
Jun. 30, 2022
USD ($)
Integer
Sep. 30, 2021
USD ($)
Integer
Investment securities | Integer 75 36
Total unrealized losses $ 9,000,000.0 $ 1,000,000.0
U.S. Government-Sponsored Enterprises Mortgage-Backed Securities [Member]    
Total unrealized losses 6,600,000 622,000
U.S. Government-Sponsored Enterprises Debt Securities [Member]    
Total unrealized losses 1,600,000 156,000
Obligations of State and Political Subdivisions [Member]    
Total unrealized losses 467,000 34,000
Corporate Notes [Member]    
Total unrealized losses 375,000 $ 196,000
Private-label Mortgage-Backed Securities [Member]    
Total unrealized losses $ 8,000