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v3.19.3.a.u2

Other Borrowings - Short-term FHLB Advances (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Jun. 30, 2019
FHLB Advances |  |  |  |  |
Outstanding advances |  | $ 700,000 | $ 150,000 |  |
Notional Amount |  | 2,051,663 | $ 889,162 |  |
Interest rate swap agreement one |  |  |  |  |
FHLB Advances |  |  |  |  |
Notional Amount | $ 350,000 |  |  |  |
Term of agreement | 4 years |  |  |  |
Interest rate swap agreement two |  |  |  |  |
FHLB Advances |  |  |  |  |
Notional Amount | $ 350,000 |  |  |  |
Term of agreement | 5 years |  |  |  |
FHLB Advances |  |  |  |  |
FHLB Advances |  |  |  |  |
Loans pledged via a blanket lien to the FHLB for advances and letters of credit |  | 3,300,000 |  |  |
Total borrowing capacity at FHLB |  | 2,500,000 |  |  |
Letter of credit borrowed |  | 231,100 |  |  |
Unused net credit available with the FHLB |  | $ 1,600,000 |  |  |
Long-term Debt, Weighted Average Interest Rate, at Point in Time |  | 1.73% | 2.64% | 1.48% |
Long-term Debt, Weighted Average Interest Rate, over Time |  | 2.35% | 1.57% | 0.97% |
Average amount of FHLB advances outstanding |  | $ 538,600 | $ 42,300 |  |
Payments of FHLB advances | $ 150,000 |  |  |  |
FHLB advances borrowed | $ 500,000 |  |  |  | $ 200,000
Period of fixed rate FHLB advances | 90 days |  |  |  |

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