|
Geographic Information (Schedule Of Revenues Based On Customer Location) (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2011
|
Dec. 31, 2010
|
Dec. 31, 2009
|
|
| Revenues from External Customers and Long-Lived Assets [Line Items] | |||
| Total Revenues | $ 232,392 | $ 174,999 | $ 127,740 |
|
United States [Member]
|
|||
| Revenues from External Customers and Long-Lived Assets [Line Items] | |||
| Total Revenues | 172,311 | 142,312 | 108,017 |
|
Europe [Member]
|
|||
| Revenues from External Customers and Long-Lived Assets [Line Items] | |||
| Total Revenues | 35,797 | 15,813 | 11,553 |
|
Canada [Member]
|
|||
| Revenues from External Customers and Long-Lived Assets [Line Items] | |||
| Total Revenues | 9,859 | 7,968 | 6,192 |
|
Other [Member]
|
|||
| Revenues from External Customers and Long-Lived Assets [Line Items] | |||
| Total Revenues | $ 14,425 | $ 8,906 | $ 1,978 |