Variable Interest Entities (VIE) (Investment in LIHTC Partnership) (Details) - USD ($) $ in Thousands |
Sep. 30, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Variable Interest Entities (VIE) [Abstract] | ||
| Investment (Other Assets) | $ 2,731 | $ 3,223 |
| Maximum exposure to loss | $ 2,731 | $ 3,223 |