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LOANS RECEIVABLE, NET (Schedule of Activity in the Allowance for Loan Losses by Loan Category) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2017 | Sep. 30, 2016
Activity in the allowance for loan losses by loan category: |  |
Balance at beginning of period | $ 3,056 | $ 2,886
Charge-offs | (990) | (1,411)
Recoveries | 66 | 215
Provision | 1,343 | 1,366
Balance at the end of period | 3,475 | 3,056
One-to four-family residential [Member] |  |
Activity in the allowance for loan losses by loan category: |  |
Balance at beginning of period | 542 | 395
Charge-offs | (295) | (133)
Recoveries | 36 |
Provision | 304 | 280
Balance at the end of period | 587 | 542
Commercial real estate [Member] |  |
Activity in the allowance for loan losses by loan category: |  |
Balance at beginning of period | 1,075 | 931
Charge-offs | (23) | (61)
Recoveries |  | 100
Provision | 225 | 105
Balance at the end of period | 1,277 | 1,075
Construction [Member] |  |
Activity in the allowance for loan losses by loan category: |  |
Balance at beginning of period | 361 | 453
Charge-offs |  |
Recoveries | 12 | 7
Provision | 117 | (99)
Balance at the end of period | 490 | 361
Home equity lines of credit [Member] |  |
Activity in the allowance for loan losses by loan category: |  |
Balance at beginning of period | 71 | 53
Charge-offs |  | (98)
Recoveries | 14 | 80
Provision | (28) | 36
Balance at the end of period | 57 | 71
Commercial business [Member] |  |
Activity in the allowance for loan losses by loan category: |  |
Balance at beginning of period | 976 | 969
Charge-offs | (672) | (1,119)
Recoveries | 4 | 28
Provision | 648 | 1,098
Balance at the end of period | 956 | 976
Other [Member] |  |
Activity in the allowance for loan losses by loan category: |  |
Balance at beginning of period | 9 | 6
Charge-offs |  |
Recoveries |  |
Provision | (3) | 3
Balance at the end of period | 6 | 9
Unallocated [Member] |  |
Activity in the allowance for loan losses by loan category: |  |
Balance at beginning of period | 22 | 79
Charge-offs |  |
Recoveries |  |
Provision | 80 | (57)
Balance at the end of period | $ 102 | $ 22

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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of recovery of financing receivables doubtful of collection that were previously charged off. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of direct write-downs of financing receivables charged against the allowance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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