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LOANS RECEIVABLE, NET AND RELATED ALLOWANCE FOR LOAN LOSSES (Schedule of Impaired Loans by Class) (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Sep. 30, 2015
--- | --- | ---
Financing Receivable, Impaired [Line Items] |  |
Recorded Investment With Specific Allowance | $ 1,735 | $ 1,690
Related Allowance | 357 | 201
Recorded Investment With No Specific Allowance | 8,878 | 8,947
Total Recorded Investment | 10,613 | 10,637
Total Unpaid Contractual Principal Balance | 11,886 | $ 11,967
One-to four-family residential [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Recorded Investment With Specific Allowance | 135 |
Related Allowance | 1 |
Recorded Investment With No Specific Allowance | 2,839 | $ 3,017
Total Recorded Investment | 2,974 | 3,017
Total Unpaid Contractual Principal Balance | $ 3,116 | $ 3,134
Commercial real estate |  |
Financing Receivable, Impaired [Line Items] |  |
Recorded Investment With Specific Allowance |  |
Related Allowance |  |
Recorded Investment With No Specific Allowance | $ 5,426 | $ 5,447
Total Recorded Investment | 5,426 | 5,447
Total Unpaid Contractual Principal Balance | $ 6,535 | $ 6,556
Home equity lines of credit |  |
Financing Receivable, Impaired [Line Items] |  |
Recorded Investment With Specific Allowance |  |
Related Allowance |  |
Recorded Investment With No Specific Allowance | $ 248 | $ 417
Total Recorded Investment | 248 | 417
Total Unpaid Contractual Principal Balance | 271 | 521
Commercial business |  |
Financing Receivable, Impaired [Line Items] |  |
Recorded Investment With Specific Allowance | 1,600 | 1,690
Related Allowance | 356 | 201
Recorded Investment With No Specific Allowance | 365 | 66
Total Recorded Investment | 1,965 | 1,756
Total Unpaid Contractual Principal Balance | $ 1,964 | $ 1,756

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