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IMPAIRMENT OF INVESTMENT SECURITIES (Tables)
6 Months Ended
Mar. 31, 2019
Schedule of Investments [Abstract]  
Schedule of gross unrealized losses and fair value for both available for sale and held to maturity securities by investment category and time frame for which the loss has been outstanding

The following tables present the gross unrealized losses and fair value at March 31, 2019 and September 30, 2018 for both available for sale and held to maturity securities by investment category and time frame for which the loss has been outstanding:

 

       March 31, 2019 
       Less Than 12 Months   12 Months Or Greater   Total 
   Number of   Fair   Unrealized   Fair   Unrealized   Fair   Unrealized 
   Securities   Value   Losses   Value   Losses   Value   Losses 
       (Dollars in thousands) 
Obligations of U.S. government agencies:                            
Mortgage-backed securities - residential   2   $   $   $394   $(84)  $394   $(84)
Mortgage-backed securities - commercial   1            864    (9)   864    (9)
Obligations of U.S. government-sponsored enterprises:                                   
Mortgage-backed securities - residential   29    1,615    (6)   34,663    (427)   36,278    (433)
Debt securities   3            3,386    (81)   3,386    (81)
Private label mortgage-backed securities residential   1            91        91     
Corporate securities   1            2,653    (347)   2,653    (347)
        Total   37   $1,615   $(6)  $42,051   $(948)  $43,666   $(954)

 

       September 30, 2018 
       Less Than 12 Months   12 Months Or Greater   Total 
   Number of   Fair   Unrealized   Fair   Unrealized   Fair   Unrealized 
   Securities   Value   Losses   Value   Losses   Value   Losses 
       (Dollars in thousands) 
Obligations of U.S. government agencies:                            
Mortgage-backed securities - residential   3   $532   $(8)  $475   $(93)  $1,007   $(101)
Mortgage-backed securities - commercial   1            895    (9)   895    (9)
Obligations of U.S. government-sponsored enterprises:                                   
Mortgage-backed securities - residential   34    11,336    (312)   30,605    (1,217)   41,941    (1,529)
Debt securities   4            4,683    (281)   4,683    (281)
Private label mortgage-backed securities residential   1            104        104     
Corporate securities   1            2,612    (388)   2,612    (388)
        Total   44   $11,868   $(320)  $39,374   $(1,988)  $51,242   $(2,308)