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PENSION PLAN (Schedule of Plan's Funded Status and Amounts Recognized) (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Retirement Benefits [Abstract]        
Actuarial present value of benefit obligations $ 4,779 $ 4,337 $ 4,550 $ 4,779
Change in benefit obligations        
Projected benefit obligation, beginning 4,779 4,337    
Interest cost 175 191    
Actuarial (gain) loss (214) 441    
Annuity payments and lump sum distributions (190) (190)    
Projected benefit obligation, end 4,550 4,779    
Change in plan assets        
Fair value of assets, beginning 2,951 2,766    
Actual return on plan assets 312 251    
Employer contributions 164 124    
Annuity payments and lump sum distributions (190) (190)    
Fair value of assets, end $ 3,237 $ 2,951    
Funded status included with other liabilities     $ (1,313) $ (1,828)