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FAIR VALUE DISCLOSURES (Narrative) (Details)
$ in Thousands
 12 Months Ended
Sep. 30, 2016
USD ($)
N
Sep. 30, 2015
USD ($)
Total Unpaid Contractual Principal Balance $ 10,099 $ 11,967
Specific loss reserves $ 39 201
Impaired Loans [Member]    
Number of impaired loans | N 7  
Total Unpaid Contractual Principal Balance $ 3,100  
Cumulative write-down of impaired loans 848  
Specific loss reserves 201  
Commercial business [Member]    
Total Unpaid Contractual Principal Balance 1,850 1,756
Specific loss reserves 39 201
Home equity lines of credit [Member]    
Total Unpaid Contractual Principal Balance 167 521
Specific loss reserves
Commercial real estate [Member]    
Total Unpaid Contractual Principal Balance 3,843 6,556
Specific loss reserves
One-to four-family residential [Member]    
Total Unpaid Contractual Principal Balance 4,239 3,134
Specific loss reserves