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INVESTMENT SECURITIES (Summary of Maturities of Debt Securities and Mortgage-backed Securities Held to Maturity) (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2015 | Sep. 30, 2014
Held to maturity securities |  |
Amortized Cost | $ 53,977 | $ 48,963
Gross Unrealized Gains | 599 | 661
Gross Unrealized Losses | (602) | (802)
Fair Value | 53,974 | 48,822
Obligations of U.S. government agencies Mortgage backed securities - residential |  |
Held to maturity securities |  |
Amortized Cost | 5,743 | 7,308
Gross Unrealized Gains | 161 | 223
Gross Unrealized Losses | (122) | (139)
Fair Value | 5,782 | 7,392
Obligations of U.S. government agencies Mortgage backed securities -commercial |  |
Held to maturity securities |  |
Amortized Cost | 1,118 | $ 1,168
Gross Unrealized Gains | $ 1 |
Gross Unrealized Losses |  |
Fair Value | $ 1,119 | $ 1,168
Obligations of U.S. government-sponsored enterprises Mortgage backed securities - residential |  |
Held to maturity securities |  |
Amortized Cost | 38,553 | 36,894
Gross Unrealized Gains | 433 | 413
Gross Unrealized Losses | (319) | (507)
Fair Value | 38,667 | 36,800
Obligations of U.S. government-sponsored enterprises Debt securities |  |
Held to maturity securities |  |
Amortized Cost | $ 5,000 | $ 3,000
Gross Unrealized Gains |  |
Gross Unrealized Losses | $ (106) | $ (152)
Fair Value | 4,894 | 2,848
Private label mortgage-backed securities-residential |  |
Held to maturity securities |  |
Amortized Cost | 563 | 593
Gross Unrealized Gains | 4 | 25
Gross Unrealized Losses | (1) | (4)
Fair Value | 566 | $ 614
Corporate securities [Member] |  |
Held to maturity securities |  |
Amortized Cost | $ 3,000 |
Gross Unrealized Gains |  |
Gross Unrealized Losses | $ (54) |
Fair Value | $ 2,946 |

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- Definition Amount before other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity. + References No definition available. + Details
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- Definition Fair value of investments in debt securities classified as held-to-maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 + Details
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