Goodwill and Intangible Assets (Goodwill) (Details) $ in Thousands |
6 Months Ended |
|---|---|
|
Jun. 30, 2017
USD ($)
| |
| Business Combination - Goodwill | |
| Balance at beginning of the period | $ 16,809 |
| Current period acquisitions | 4,785 |
| Foreign currency translation adjustment | 199 |
| Balance at end of the period | $ 21,793 |