GEOGRAPHIC INFORMATION (Details) (USD $) In Thousands | 3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2011 | Sep. 30, 2010 | Sep. 30, 2011 | Sep. 30, 2010 | |
| Revenue and long-lived assets by geographical segments | ||||
| Revenues | $ 84,594 | $ 55,626 | $ 215,956 | $ 166,147 |
North America | ||||
| Revenue and long-lived assets by geographical segments | ||||
| Revenues | 70,205 | 54,668 | 198,770 | 163,290 |
Europe, Middle East and Africa (excluding U.K.) | ||||
| Revenue and long-lived assets by geographical segments | ||||
| Revenues | 6,156 | 6,156 | ||
United Kingdom | ||||
| Revenue and long-lived assets by geographical segments | ||||
| Revenues | 3,450 | 958 | 6,247 | 2,857 |
Asia Pacific (APAC) | ||||
| Revenue and long-lived assets by geographical segments | ||||
| Revenues | 3,454 | 3,454 | ||
Latin America | ||||
| Revenue and long-lived assets by geographical segments | ||||
| Revenues | $ 1,329 | $ 1,329 | ||