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LOANS RECEIVABLE, NET (Schedule of Impaired Loans by Class) (Details) - USD ($) $ in Thousands | Sep. 30, 2016 | Sep. 30, 2015
--- | --- | ---
Financing Receivable, Impaired [Line Items] |  |
Recorded Investment With Specific Allowance | $ 997 | $ 1,690
Related Allowance | 39 | 201
Recorded Investment With No Specific Allowance | 8,256 | 8,947
Total Recorded Investment | 9,253 | 10,637
Total Unpaid Contractual Principal Balance | 10,099 | 11,967
Commercial real estate [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Recorded Investment With Specific Allowance |  |
Related Allowance |  |
Recorded Investment With No Specific Allowance | 3,843 | 5,447
Total Recorded Investment | 3,843 | 5,447
Total Unpaid Contractual Principal Balance | 3,843 | 6,556
Commercial business [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Recorded Investment With Specific Allowance | 997 | 1,690
Related Allowance | 39 | 201
Recorded Investment With No Specific Allowance | 250 | 66
Total Recorded Investment | 1,247 | 1,756
Total Unpaid Contractual Principal Balance | 1,850 | 1,756
Home equity lines of credit [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Recorded Investment With Specific Allowance |  |
Related Allowance |  |
Recorded Investment With No Specific Allowance | 153 | 417
Total Recorded Investment | 153 | 417
Total Unpaid Contractual Principal Balance | 167 | 521
Impaired Loans [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Related Allowance | 201 |
Total Unpaid Contractual Principal Balance | 3,100 |
One-to four-family residential [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Recorded Investment With Specific Allowance |  |
Related Allowance |  |
Recorded Investment With No Specific Allowance | 4,010 | 3,017
Total Recorded Investment | 4,010 | 3,017
Total Unpaid Contractual Principal Balance | $ 4,239 | $ 3,134

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