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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2016 USD ($) segment | Sep. 30, 2015 USD ($) | Sep. 30, 2014 USD ($)
PRINCIPLES OF CONSOLIDATION [Abstract] |  |  |
Percentage of interest in subsidiary | 100.00% |  |
NATURE OF BUSINESS AND INDUSTRY SEGMENT INFORMATION [Abstract] |  |  |
Number of reporting segments | segment | 3 |  |
CASH AND CASH EQUIVALENTS AND FEDERAL FUNDS SOLD [Abstract] |  |  |
Terms of FHLB advances | 90 days |  |
Reserve balances in cash or on deposit with FRB (Federal Reserve Bank) | $ 0 | $ 4,100 |
Interest bearing deposits held at FRB | 512,900 |  |
SECURITIES [Abstract] |  |  |
Recorded balance | 78 | 6,036 |
Other than temporary impairment | $ 0 | 0 | $ 0
LOANS RECEIVABLE [Abstract] |  |  |
Period when loan becomes delinquent | 90 days |  |
Period when loan becomes delinquent for premium finance | 210 days |  |
MORTGAGE SERVICING AND TRANSFERS OF FINANCIAL ASSETS [Abstract] |  |  |
Aggregate unpaid balance of loans serviced for others | $ 19,400 | $ 22,200 |
ALLOWANCE FOR LOAN LOSSES [Abstract] |  |  |
Look back period | 7 years |  |
Buildings [Member] | Minimum [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Premises, furniture and equipment, estimated useful lives | 10 years |  |
Buildings [Member] | Maximum [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Premises, furniture and equipment, estimated useful lives | 40 years |  |
Leasehold Improvements [Member] | Minimum [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Premises, furniture and equipment, estimated useful lives | 2 years |  |
Leasehold Improvements [Member] | Maximum [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Premises, furniture and equipment, estimated useful lives | 15 years |  |

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