LOANS, ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY (Details Textual) - USD ($)	3 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Loans, Allowance for Loan Losses and Credit Quality [Abstract]
Unamortized Loan Commitment and Origination fees	$ 7,100,000	$ 7,089,000	$ 6,100,000
Unamortized Discounts or Premiums	$ 21,600,000	15,200,000	$ 9,400,000
Days To Be Termed As Non Accrual Loans	90 days
Significant advanced considered for risk rating change	$ 50,000
TDRs on nonaccrual status	$ 24,766,000	$ 29,348,000