|
Segment Information (Schedule Of Assets By Geographic Area) (Details) (USD $)
In Thousands, unless otherwise specified |
Jun. 30, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Segment Reporting Information [Line Items] | ||
| Assets | $ 1,004,365 | $ 677,442 |
|
United States [Member]
|
||
| Segment Reporting Information [Line Items] | ||
| Assets | 799,541 | 501,157 |
|
Germany [Member]
|
||
| Segment Reporting Information [Line Items] | ||
| Assets | 46,098 | 24,264 |
|
Other Europe [Member]
|
||
| Segment Reporting Information [Line Items] | ||
| Assets | 86,715 | 86,494 |
|
Asia Pacific [Member]
|
||
| Segment Reporting Information [Line Items] | ||
| Assets | $ 72,011 | $ 65,527 |