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INVESTMENT SECURITIES (Tables) | 6 Months Ended
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Mar. 31, 2018
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 March 31, 2018 and September 30, 2017:
|  | March 31, 2018 |
|  |  |  |  | Gross |  |  | Gross |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
|  | (Dollars in thousands) |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Obligations of U.S. government agencies: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage-backed securities - residential |  | $ | 1,519 |  |  | $ | 54 |  |  | $ | — |  |  | $ | 1,573 |
Obligations of U.S. government-sponsored enterprises: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage-backed securities-residential |  |  | 20,163 |  |  |  | 29 |  |  |  | (453 | ) |  |  | 19,739 |
Debt securities |  |  | 2,500 |  |  |  | — |  |  |  | (119 | ) |  |  | 2,381 |
Private label mortgage-backed securities-residential |  |  | 15 |  |  |  | — |  |  |  | — |  |  |  | 15 |
Total securities available for sale |  | $ | 24,197 |  |  | $ | 83 |  |  | $ | (572 | ) |  | $ | 23,708 |
|  | September 30, 2017 |
|  |  |  |  | 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 |  | $ | 9,442 |  |  | $ | 9 |  |  | $ | (125 | ) |  | $ | 9,326 |
Debt securities |  |  | 2,500 |  |  |  | — |  |  |  | (51 | ) |  |  | 2,449 |
Private label mortgage-backed securities-residential |  |  | 40 |  |  |  | — |  |  |  | — |  |  |  | 40 |
Total securities available for sale |  | $ | 11,982 |  |  | $ | 9 |  |  | $ | (176 | ) |  | $ | 11,815 |
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 March 31, 2018 are summarized in the following table:
|  | March 31, 2018 |
|  | Amortized |  |  | Fair |
|  | Cost |  |  | Value |
|  | (Dollars in thousands) |
Due within 1 year |  | $ | — |  |  | $ | — |
Due after 1 but within 5 years |  |  | 1,500 |  |  |  | 1,417 |
Due after 5 but within 10 years |  |  | 1,000 |  |  |  | 964 |
Due after 10 years |  |  | — |  |  |  | — |
Total debt securities |  |  | 2,500 |  |  |  | 2,381 |
Mortgage-backed securities: |  |  |  |  |  |  |  |
Residential |  |  | 21,697 |  |  |  | 21,327 |
Commercial |  |  | — |  |  |  | — |
Total |  | $ | 24,197 |  |  | $ | 23,708 |
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 March 31, 2018 and September 30, 2017:
|  | March 31, 2018 |
|  |  |  |  | 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 |  | $ | 610 |  |  | $ | — |  |  | $ | (97 | ) |  | $ | 513 |
Mortgage-backed securities - commercial |  |  | 936 |  |  |  | — |  |  |  | (11 | ) |  |  | 925 |
Obligations of U.S. government-sponsored enterprises: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage-backed-securities - residential |  |  | 27,654 |  |  |  | 6 |  |  |  | (692 | ) |  |  | 26,968 |
Debt securities |  |  | 4,463 |  |  |  | — |  |  |  | (83 | ) |  |  | 4,380 |
Private label mortgage-backed securities - residential |  |  | 419 |  |  |  | — |  |  |  | (1 | ) |  |  | 418 |
Corporate securities |  |  | 3,000 |  |  |  | — |  |  |  | (353 | ) |  |  | 2,647 |
Total securities held to maturity |  | $ | 37,082 |  |  | $ | 6 |  |  | $ | (1,237 | ) |  | $ | 35,851 |
|  | September 30, 2017 |
|  |  |  |  | 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 |  | $ | 3,466 |  |  | $ | 123 |  |  | $ | (96 | ) |  | $ | 3,493 |
Mortgage-backed securities - commercial |  |  | 968 |  |  |  | — |  |  |  | (10 | ) |  |  | 958 |
Obligations of U.S. government-sponsored enterprises: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage backed securities - residential |  |  | 39,016 |  |  |  | 349 |  |  |  | (251 | ) |  |  | 39,114 |
Debt securities |  |  | 4,461 |  |  |  | — |  |  |  | (24 | ) |  |  | 4,437 |
Private label mortgage-backed securities - residential |  |  | 457 |  |  |  | — |  |  |  | (2 | ) |  |  | 455 |
Corporate securities |  |  | 3,000 |  |  |  | — |  |  |  | (216 | ) |  |  | 2,784 |
Total securities held to maturity |  | $ | 51,368 |  |  | $ | 472 |  |  | $ | (599 | ) |  | $ | 51,241 |
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 March 31, 2018 are summarized in the following table:
|  | March 31, 2018 |
|  | Amortized |  |  | Fair |
|  | Cost |  |  | Value |
|  | (Dollars in thousands) |
Due within 1 year |  | $ | 2,000 |  |  | $ | 1,999 |
Due after 1 but within 5 years |  |  | 1,499 |  |  |  | 1,470 |
Due after 5 but within 10 years |  |  | 3,000 |  |  |  | 2,647 |
Due after 10 years |  |  | 964 |  |  |  | 911 |
Total debt securities |  |  | 7,463 |  |  |  | 7,027 |
Mortgage-backed securities: |  |  |  |  |  |  |  |
Residential |  |  | 28,683 |  |  |  | 27,899 |
Commercial |  |  | 936 |  |  |  | 925 |
Total |  | $ | 37,082 |  |  | $ | 35,851 |

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- Definition Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities. + References No definition available. + Details
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