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INVESTMENT SECURITIES (Summary of Maturities of Debt Securities and Mortgage-backed Securities Held to Maturity) (Details) - USD ($) $ in Thousands | Mar. 31, 2016 | Sep. 30, 2015
--- | --- | ---
Held to maturity securities |  |
Amortized Cost | $ 58,886 | $ 52,614
Gross Unrealized Gains | 1,058 | 828
Gross Unrealized Losses | (371) | (194)
Fair Value | 59,573 | 53,248
Obligations of U.S. government agencies Mortgage backed securities - residential |  |
Held to maturity securities |  |
Amortized Cost | 4,973 | 5,414
Gross Unrealized Gains | 170 | 156
Gross Unrealized Losses | (102) | (99)
Fair Value | 5,041 | 5,471
Obligations of U.S. government agencies Mortgage backed securities -commercial |  |
Held to maturity securities |  |
Amortized Cost | $ 1,067 | $ 1,101
Gross Unrealized Gains |  |
Gross Unrealized Losses | $ (2) | $ (2)
Fair Value | 1,065 | 1,099
Obligations of U.S. government-sponsored enterprises Mortgage backed securities - residential |  |
Held to maturity securities |  |
Amortized Cost | 42,320 | 37,563
Gross Unrealized Gains | 885 | 647
Gross Unrealized Losses | (13) | (67)
Fair Value | 43,192 | 38,143
Obligations of U.S. government-sponsored enterprises Debt securities |  |
Held to maturity securities |  |
Amortized Cost | 7,000 | 5,000
Gross Unrealized Gains | $ 3 | 2
Gross Unrealized Losses |  | (25)
Fair Value | $ 7,003 | 4,977
Private label mortgage-backed securities-residential |  |
Held to maturity securities |  |
Amortized Cost | $ 526 | 536
Gross Unrealized Gains |  | 1
Gross Unrealized Losses | $ (4) | (1)
Fair Value | 522 | 536
Corporate securities [Member] |  |
Held to maturity securities |  |
Amortized Cost | $ 3,000 | 3,000
Gross Unrealized Gains |  | $ 22
Gross Unrealized Losses | $ (250) |
Fair Value | $ 2,750 | $ 3,022

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- Definition Amount of accumulated unrealized gain on 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 (b) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 + Details
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- Definition Amount of accumulated unrealized loss on 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 (c) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 + 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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