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INVESTMENT SECURITIES (Tables) | 3 Months Ended
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Dec. 31, 2016
Investments, Debt and Equity Securities [Abstract] |
Summary of the amortized cost and fair values of securities available for sale | The following tables summarize the amortized cost and fair values of securities available for sale at December 31, 2016 and September 30, 2016:
|  | December 31, 2016 |
|  |  |  |  | Gross |  |  | Gross |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
|  | (Dollars in thousands) |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Obligations of U.S. government-sponsored enterprises: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage-backed securities-residential |  | $ | 8,303 |  |  | $ | 9 |  |  | $ | (185 | ) |  | $ | 8,127 |
Debt securities |  |  | 2,500 |  |  |  | — |  |  |  | (83 | ) |  |  | 2,417 |
Private label mortgage-backed securities-residential |  |  | 88 |  |  |  | — |  |  |  | (1 | ) |  |  | 87 |
Total securities available for sale |  | $ | 10,891 |  |  | $ | 9 |  |  | $ | (269 | ) |  | $ | 10,631 |
|  | September 30, 2016 |
|  |  |  |  | Gross |  |  | Gross |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
|  | (Dollars in thousands) |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Obligations of U.S. government-sponsored enterprises: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage-backed securities-residential |  | $ | 5,075 |  |  | $ | 52 |  |  | $ | — |  |  | $ | 5,127 |
Private label mortgage-backed securities-residential |  |  | 108 |  |  |  | — |  |  |  | (1 | ) |  |  | 107 |
Total securities available for sale |  | $ | 5,183 |  |  | $ | 52 |  |  | $ | (1 | ) |  | $ | 5,234
Summary of maturities of the debt securities and mortgage-backed securities available for sale | The maturities of the debt securities and mortgage-backed securities available for sale at December 31, 2016 are summarized in the following table:
|  | December 31, 2016 |
|  | Amortized |  |  | Fair |
|  | Cost |  |  | Value |
|  | (Dollars in thousands) |
Due within 1 year |  | $ | — |  |  | $ | — |
Due after 1 but within 5 years |  |  | — |  |  |  | — |
Due after 5 but within 10 years |  |  | 2,500 |  |  |  | 2,417 |
Due after 10 years |  |  | — |  |  |  | — |
Total debt securities |  |  | 2,500 |  |  |  | 2,417 |
Mortgage-backed securities: |  |  |  |  |  |  |  |
Residential |  |  | 8,391 |  |  |  | 8,214 |
Commercial |  |  | — |  |  |  | — |
Total |  | $ | 10,891 |  |  | $ | 10,631 |
Summary of the amortized cost and fair values of securities held to maturity | The following tables summarize the amortized cost and fair values of securities held to maturity at December 31, 2016 and September 30, 2016:
|  | December 31, 2016 |
|  |  |  |  | Gross |  |  | Gross |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
|  | (Dollars in thousands) |
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Obligations of U.S. government agencies: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage-backed securities - residential |  | $ | 4,117 |  |  | $ | 130 |  |  | $ | (113 | ) |  | $ | 4,134 |
Mortgage-backed securities - commercial |  |  | 1,017 |  |  |  | — |  |  |  | — |  |  |  | 1,017 |
Obligations of U.S. government-sponsored enterprises: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage-backed-securities - residential |  |  | 40,454 |  |  |  | 328 |  |  |  | (410 | ) |  |  | 40,372 |
Debt securities |  |  | 2,960 |  |  |  | — |  |  |  | (36 | ) |  |  | 2,924 |
Private label mortgage-backed securities - residential |  |  | 487 |  |  |  | — |  |  |  | (6 | ) |  |  | 481 |
Corporate securities |  |  | 3,000 |  |  |  | — |  |  |  | (183 | ) |  |  | 2,817 |
Total securities held to maturity |  | $ | 52,035 |  |  | $ | 458 |  |  | $ | (748 | ) |  | $ | 51,745 |
|  | September 30, 2016 |
|  |  |  |  | Gross |  |  | Gross |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
|  | (Dollars in thousands) |
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Obligations of U.S. government agencies: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage-backed securities - residential |  | $ | 4,383 |  |  | $ | 171 |  |  | $ | (90 | ) |  | $ | 4,464 |
Mortgage-backed securities - commercial |  |  | 1,034 |  |  |  | — |  |  |  | (1 | ) |  |  | 1,033 |
Obligations of U.S. government-sponsored enterprises: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage backed securities - residential |  |  | 40,024 |  |  |  | 1,098 |  |  |  | (16 | ) |  |  | 41,106 |
Debt securities |  |  | 4,000 |  |  |  | 1 |  |  |  | — |  |  |  | 4,001 |
Private label mortgage-backed securities - residential |  |  | 493 |  |  |  | — |  |  |  | (6 | ) |  |  | 487 |
Corporate securities |  |  | 3,000 |  |  |  | — |  |  |  | (242 | ) |  |  | 2,758 |
Total securities held to maturity |  | $ | 52,934 |  |  | $ | 1,270 |  |  | $ | (355 | ) |  | $ | 53,849
Summary of maturities of the debt securities and mortgage-backed securities securities held to maturity | The maturities of the debt securities and the mortgage backed securities held to maturity at December 31, 2016 are summarized in the following table:
|  | December 31, 2016 |
|  | Amortized |  |  | Fair |
|  | Cost |  |  | Value |
|  | (Dollars in thousands) |
Due within 1 year |  | $ | — |  |  | $ | — |
Due after 1 but within 5 years |  |  | 2,000 |  |  |  | 1,995 |
Due after 5 but within 10 years |  |  | 3,000 |  |  |  | 2,817 |
Due after 10 years |  |  | 960 |  |  |  | 929 |
Total debt securities |  |  | 5,960 |  |  |  | 5,741 |
Mortgage-backed securities: |  |  |  |  |  |  |  |
Residential |  |  | 45,058 |  |  |  | 44,987 |
Commercial |  |  | 1,017 |  |  |  | 1,017 |
Total |  | $ | 52,035 |  |  | $ | 51,745

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