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LOANS RECEIVABLE, NET AND RELATED ALLOWANCE FOR LOAN LOSSES (Schedule of Activity in the Allowance for Loan Losses by Loan Category) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2017 | Dec. 31, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Mar. 31, 2017 | Mar. 31, 2016
Activity in the allowance for loan losses by loan category: |  |  |  |  |  |
Balance at beginning of period | $ 3,170 | $ 3,056 | $ 3,100 | $ 2,886 | $ 3,056 | $ 2,886
Charge-offs | (278) | (255) | (528) | (45) |  |
Recoveries | 18 | 39 | 27 | 81 |  |
Provision | 403 | 330 | 291 | 178 | 733 | 469
Balance at the end of period | 3,313 | 3,170 | 2,890 | 3,100 | 3,313 | 2,890
Construction [Member] |  |  |  |  |  |
Activity in the allowance for loan losses by loan category: |  |  |  |  |  |
Balance at beginning of period | 368 | 361 | 382 | 453 | 361 | 453
Charge-offs |  |  |  |  |  |
Recoveries | 3 | 3 | 1 |  |  |
Provision | (3) | 4 | (115) | (71) |  |
Balance at the end of period | 368 | 368 | 268 | 382 | 368 | 268
Commercial business [Member] |  |  |  |  |  |
Activity in the allowance for loan losses by loan category: |  |  |  |  |  |
Balance at beginning of period | 914 | 976 | 1,225 | 969 | 976 | 969
Charge-offs | (226) | (237) | (383) |  |  |
Recoveries | 1 | 1 | 26 | 1 |  |
Provision | 323 | 174 | 125 | 255 |  |
Balance at the end of period | 1,012 | 914 | 993 | 1,225 | 1,012 | 993
Home equity lines of credit [Member] |  |  |  |  |  |
Activity in the allowance for loan losses by loan category: |  |  |  |  |  |
Balance at beginning of period | 71 | 71 | 55 | 53 | 71 | 53
Charge-offs |  |  | (84) |  |  |
Recoveries | 14 |  |  | 80 |  |
Provision | (18) |  | 100 | (78) |  |
Balance at the end of period | 67 | 71 | 71 | 55 | 67 | 71
Commercial real estate [Member] |  |  |  |  |  |
Activity in the allowance for loan losses by loan category: |  |  |  |  |  |
Balance at beginning of period | 1,152 | 1,075 | 935 | 931 | 1,075 | 931
Charge-offs |  |  | (61) |  |  |
Recoveries |  |  |  |  |  |
Provision | (44) | 77 | (3) | 4 |  |
Balance at the end of period | 1,108 | 1,152 | 871 | 935 | 1,108 | 871
One-to four-family residential [Member] |  |  |  |  |  |
Activity in the allowance for loan losses by loan category: |  |  |  |  |  |
Balance at beginning of period | 524 | 542 | 386 | 395 | 542 | 395
Charge-offs | (52) | (18) |  | (45) |  |
Recoveries |  | 35 |  |  |  |
Provision | 175 | (35) | 113 | 36 |  |
Balance at the end of period | 647 | 524 | 499 | 386 | 647 | 499
Unallocated [Member] |  |  |  |  |  |
Activity in the allowance for loan losses by loan category: |  |  |  |  |  |
Balance at beginning of period | 134 | 22 | 108 | 79 | 22 | 79
Charge-offs |  |  |  |  |  |
Recoveries |  |  |  |  |  |
Provision | (36) | 112 | 72 | 29 |  |
Balance at the end of period | 98 | 134 | 180 | 108 | 98 | 180
Other [Member] |  |  |  |  |  |
Activity in the allowance for loan losses by loan category: |  |  |  |  |  |
Balance at beginning of period | 7 | 9 | 9 | 6 | 9 | 6
Charge-offs |  |  |  |  |  |
Recoveries |  |  |  |  |  |
Provision | 6 | (2) | (1) | 3 |  |
Balance at the end of period | $ 13 | $ 7 | $ 8 | $ 9 | $ 13 | $ 8

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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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