Goodwill and Intangible Assets (Amortization) (Details) - USD ($) $ in Thousands |
Dec. 31, 2018 |
Dec. 31, 2017 |
|---|---|---|
| Amortization of finite-lived intangible assets | ||
| 2019 | $ 5,655 | |
| 2020 | 4,604 | |
| 2021 | 2,256 | |
| 2022 | 2,093 | |
| 2023 | 2,035 | |
| Thereafter | 4,008 | |
| Intangible assets, net | $ 20,651 | $ 26,081 |