Summary of Significant Accounting Policies - Basis of Presentation (Details) - USD ($) $ in Thousands |
Jan. 01, 2019 |
Dec. 31, 2017 |
|---|---|---|
| Summary of Significant Accounting Policies | ||
| Cumulative effect of applying new accounting standards | $ 0 | $ 8,645 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption. No definition available.
|