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FHLB Advances and Other Borrowings (Tables) | 12 Months Ended
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Sep. 30, 2018
Federal Home Loan Banks [Abstract] |
Maturity dates of outstanding FHLB advances | The table below shows the maturity dates of outstanding FHLB advances.
| September 30, 2018 | September 30, 2017
| (In thousands)
FHLB advances |  |
Within 1 year | $ | 1,680,000 |  | $ | 1,395,000 |
1 to 3 years | 300,000 |  | 430,000 |
3 to 5 years | 200,000 |  | 400,000 |
More than 5 years | 150,000 |  | — |
| $ | 2,330,000 |  | $ | 2,225,000 |
Weighted average cost and amount of advances | Financial information pertaining to the weighted-average cost and the amount of FHLB advances were as follows.
| 2018 | 2017 | 2016
| (In thousands)
Weighted average interest rate, including cash flow hedges, at end of year | 2.66 | % | 2.80 | % | 3.15 | %
Weighted daily average interest rate, including cash flow hedges, during the year | 2.62 | % | 3.00 | % | 3.22 | %
Daily average of FHLB advances during the year | $ | 2,384,795 |  | $ | 2,167,986 |  | $ | 1,992,434 |
Maximum amount of FHLB advances at any month end | $ | 2,620,000 |  | $ | 2,350,000 |  | $ | 2,080,000 |
Interest expense during the year (including swap interest income and expense) | $ | 62,452 |  | $ | 64,969 |  | $ | 64,059 |

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- Definition Tabular disclosure of advances made and reported by Federal Home Loan Bank (FHLBank). + References No definition available. + Details
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