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Securities - (Details 5) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 | Dec. 31, 2016
Investments in pooled trust preferred securities |  |
Amortized Cost | $ 704,305 | $ 686,405
Securities available for sale | 696,885 | 674,248
Trust preferred securities |  |
Investments in pooled trust preferred securities |  |
Amortized Cost | 22,646 | 23,749
Securities available for sale | 17,823 | $ 18,389
Unrealized Loss | (4,823) |
XXIII |  |
Investments in pooled trust preferred securities |  |
Amortized Cost | 8,286 |
Securities available for sale | 5,790 |
Unrealized Loss | $ (2,496) |
Issuers Currently in Deferral or Default (percent) | 17.00% |
XXIV |  |
Investments in pooled trust preferred securities |  |
Amortized Cost | $ 10,167 |
Securities available for sale | 8,917 |
Unrealized Loss | $ (1,250) |
Issuers Currently in Deferral or Default (percent) | 23.00% |
XXVI |  |
Investments in pooled trust preferred securities |  |
Amortized Cost | $ 4,193 |
Securities available for sale | 3,116 |
Unrealized Loss | $ (1,077) |
Issuers Currently in Deferral or Default (percent) | 19.00% |

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