Intangible Assets And Goodwill (Balance Of Intangible Assets, Net) (Details) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Goodwill and Intangible Assets Disclosure [Abstract] | ||
| Intangible assets with indefinite lives | $ 253,449 | $ 255,148 |
| Intangible assets with definite lives, net | 174 | 120 |
| Intangible Assets, Net (Excluding Goodwill) | $ 253,623 | $ 255,268 |
| X | ||||||||||
- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|