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Accumulated Other Comprehensive Loss (Tables) | 9 Months Ended
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Jun. 30, 2019
Equity [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | The changes in accumulated other comprehensive loss ("AOCI") by component during the three and nine months ended June 30, 2019 and 2018 are as follows (dollars in thousands):
| Three Months Ended June 30, 2019
| Changes in fair value of available for sale securities (1) |  | Changes in OTTI on held to maturity securities (1) |  | Total (1)
Balance of AOCI at the beginning of period | $ | 3 |  |  | $ | (48 | ) |  | $ | (45 | )
Other comprehensive income | 9 |  |  | 3 |  |  | 12 |
Balance of AOCI at the end of period | $ | 12 |  |  | $ | (45 | ) |  | $ | (33 | )
| Nine Months Ended June 30, 2019
| Changes in fair value of available for sale securities (1) |  | Changes in OTTI on held to maturity securities (1) |  | Total (1)
Balance of AOCI at the beginning of period | $ | (58 | ) |  | $ | (71 | ) |  | $ | (129 | )
Other comprehensive income | 7 |  |  | 26 |  |  | 33 |
Adoption of ASU 2016-01 | 63 |  |  | — |  |  | 63 |
Balance of AOCI at the end of period | $ | 12 |  |  | $ | (45 | ) |  | $ | (33 | )
| Three Months Ended June 30, 2018
| Changes in fair value of available for sale securities (1) |  | Changes in OTTI on held to maturity securities (1) |  | Total (1)
Balance of AOCI at the beginning of period | $ | (44 | ) |  | $ | (88 | ) |  | $ | (132 | )
Other comprehensive income (loss) | (7 | ) |  | 5 |  |  | (2 | )
Balance of AOCI at the end of period | $ | (51 | ) |  | $ | (83 | ) |  | $ | (134 | )
| Nine Months Ended June 30, 2018
| Changes in fair value of available for sale securities (1) |  | Changes in OTTI on held to maturity securities (1) |  | Total (1)
Balance of AOCI at the beginning of period | $ | (19 | ) |  | $ | (105 | ) |  | $ | (124 | )
Other comprehensive income (loss) | (32 | ) |  | 22 |  |  | (10 | )
Balance of AOCI at the end of period | $ | (51 | ) |  | $ | (83 | ) |  | $ | (134 | )
__________________________ (1) All amounts are net of income taxes.

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 + Details
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