Securities (Details 3) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Rollforward of the credit losses recognized in earnings | ||||
| Beginning balance | $ 13,974 | $ 13,995 | $ 13,995 | $ 14,050 |
| Increases to the amount related to the credit loss for which other-than-temporary was previously recognized | 0 | 0 | 0 | 0 |
| Reductions for increases in cash flows collected | 0 | (21) | (55) | |
| Amounts realized for securities sold during the period | 0 | 0 | 0 | 0 |
| Ending balance | $ 13,974 | $ 13,995 | $ 13,974 | $ 13,995 |