Goodwill and Intangible Assets (Goodwill) (Details) $ in Thousands |
9 Months Ended |
|---|---|
|
Sep. 30, 2016
USD ($)
| |
| Goodwill [Roll Forward] | |
| Balance at December 31, 2015 | $ 75,509 |
| Goodwill acquired | 0 |
| Translation adjustments | 374 |
| Balance at September 30, 2016 | $ 75,883 |
| Goodwill | Total assets | |
| Goodwill [Roll Forward] | |
| Percentage of total assets | 12.00% |