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Long-Term Debt (Tables) | 9 Months Ended
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Sep. 30, 2018
Debt Disclosure [Abstract] |
Maturities of FHLBC Borrowings by Year | The following table presents maturities of our FHLBC borrowings by year at September 30, 2018. Table 14.1 – Maturities of FHLBC Borrowings by Year
(In Thousands) |  | September 30, 2018
2024 |  | $ | 470,171 |
2025 |  | 887,639 |
2026 |  | 642,189 |
Total FHLBC Borrowings |  | $ | 1,999,999 |

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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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