Low Income Housing Partnerships	12 Months Ended
Sep. 30, 2016
Investments in Affordable Housing Projects [Abstract]
Low Income Housing Partnerships	6. LOW INCOME HOUSING PARTNERSHIPS The Bank's investment in low income housing partnerships, which is included in other assets in the consolidated balance sheets, was $58.0 million and $41.8 million at September 30, 2016 and 2015, respectively. The Bank's obligations related to unfunded commitments, which are included in accounts payable and accrued expenses in the consolidated balance sheets, were $27.2 million and $14.6 million at September 30, 2016 and 2015, respectively. The majority of the commitments are projected to be funded through the end of calendar year 2018. Expenses associated with the Bank's investment in the low income housing partnerships are included in low income housing partnerships in the consolidated statements of income. The low income housing partnership expenses resulted in other tax benefits of $1.1 million, $963 thousand and $866 thousand for fiscal years 2016, 2015, and 2014, respectively, which are a component of income tax expense in the consolidated statements of income. Affordable housing tax credits are recognized as a component of income tax expense in the consolidated statements of income and totaled $4.8 million, $4.3 million, and $3.6 million for fiscal years 2016, 2015, and 2014, respectively. There were no impairment losses during fiscal years 2016, 2015, or 2014 resulting from the forfeiture or ineligibility of tax credits or other circumstances. At September 30, 2016, the Bank accounted for low income housing partnerships using the equity method of accounting as two of the Bank's officers were involved in the operational management of the low income housing partnership investment group. Effective September 30, 2016, those two Bank officers discontinued their involvement in the operational management of the investment group. Starting October 1, 2016, the Bank will use the proportional method of accounting for its low income housing partnership investments. In fiscal year 2017, the Bank will no longer report low income housing partnership expenses in non-interest expense; rather, the pretax operating losses and related tax benefits of the investments will be reported as a component of income tax expense.

6. LOW INCOME HOUSING PARTNERSHIPS

The Bank's investment in low income housing partnerships, which is included in other assets in the consolidated balance sheets, was $58.0 million and $41.8 million at September 30, 2016 and 2015, respectively. The Bank's obligations related to unfunded commitments, which are included in accounts payable and accrued expenses in the consolidated balance sheets, were $27.2 million and $14.6 million at September 30, 2016 and 2015, respectively. The majority of the commitments are projected to be funded through the end of calendar year 2018.

Expenses associated with the Bank's investment in the low income housing partnerships are included in low income housing partnerships in the consolidated statements of income. The low income housing partnership expenses resulted in other tax benefits of $1.1 million, $963 thousand and $866 thousand for fiscal years 2016, 2015, and 2014, respectively, which are a component of income tax expense in the consolidated statements of income. Affordable housing tax credits are recognized as a component of income tax expense in the consolidated statements of income and totaled $4.8 million, $4.3 million, and $3.6 million for fiscal years 2016, 2015, and 2014, respectively. There were no impairment losses during fiscal years 2016, 2015, or 2014 resulting from the forfeiture or ineligibility of tax credits or other circumstances.

At September 30, 2016, the Bank accounted for low income housing partnerships using the equity method of accounting as two of the Bank's officers were involved in the operational management of the low income housing partnership investment group. Effective September 30, 2016, those two Bank officers discontinued their involvement in the operational management of the investment group. Starting October 1, 2016, the Bank will use the proportional method of accounting for its low income housing partnership investments. In fiscal year 2017, the Bank will no longer report low income housing partnership expenses in non-interest expense; rather, the pretax operating losses and related tax benefits of the investments will be reported as a component of income tax expense.