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EMPLOYEE STOCK OWNERSHIP AND PROFIT SHARING PLANS (Details) (USD $)
 12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
EMPLOYEE STOCK OWNERSHIP AND PROFIT SHARING PLANS [Abstract]      
Number of hours of employment required for ESOP 1000 hours    
Years of employment to be eligible for ESOP 1 year    
Eligible age for ESOP 21 years    
Employee Stock Ownership Plan (ESOP), Expense $ 703,000 $ 694,000 $ 696,000
Contribution to ESOP 850,406 485,548 659,000
Percentage of benefits vested after credited service (in hundredths) 100.00%    
Years of credited service 7 years    
Number of shares (ESOP) released (in shares) 24,125 17,715 27,846
Fair value of shares (ESOP) released (in dollars per share) $ 35.25 $ 37.99 $ 23.65
Allocated and total ESOP shares withdrawn from ESOP by participant no longer with the company (in shares) 10,643 45,225 28,486
Shares purchased for dividend reinvestment (in shares) 2,529 3,526 0
Year-end ESOP shares [Abstract]      
Allocated shares (in shares) 239,879 223,868 247,814
Unearned shares (in shares) 0 0 0
Total ESOP shares (in shares) 239,879 223,868 247,814
Contribution expense to profit sharing plan included in compensation and benefits $ 948,000 $ 774,000 $ 775,000