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FHLB Advances and Other Borrowings (Tables) | 12 Months Ended
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Sep. 30, 2016
Banking and Thrift [Abstract] |
Advances | The table below shows the maturity dates of outstanding FHLB advances.
| September 30, 2016 | September 30, 2015
| (In thousands)
FHLB advances |  |
Within 1 year | $ | 200,000 |  | $ | 250,000 |
1 to 3 years | 880,000 |  | 750,000 |
4 to 5 years | 700,000 |  | 430,000 |
More than 5 years | 300,000 |  | 400,000 |
| $ | 2,080,000 |  | $ | 1,830,000 |
Weighted average cost and amount of advances | Financial data pertaining to the weighted-average cost and the amount of FHLB advances were as follows.
| 2016 | 2015 | 2014
| (In thousands)
Weighted average interest rate at end of year | 3.15 | % | 3.35 | % | 3.52 | %
Weighted daily average interest rate during the year | 3.22 | % | 3.57 | % | 3.56 | %
Daily average of FHLB advances during the year | $ | 1,992,434 |  | $ | 1,848,904 |  | $ | 1,955,205 |
Maximum amount of FHLB advances at any month end | $ | 2,080,000 |  | $ | 1,930,000 |  | $ | 2,205,000 |
Interest expense during the year (excludes interest rate swap expense) | $ | 64,058 |  | $ | 64,331 |  | $ | 68,307 |

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