Assets Held for Sale (Details) (USD $) In Thousands | Sep. 30, 2011 | Dec. 31, 2010 |
|---|---|---|
| Long Lived Assets Held-for-sale [Line Items] | ||
| Assets Held-for-sale | $ 1,743 | $ 0 |
Intangible Assets | ||
| Long Lived Assets Held-for-sale [Line Items] | ||
| Assets Held-for-sale | 1,700 | |
Fixed Assets | ||
| Long Lived Assets Held-for-sale [Line Items] | ||
| Assets Held-for-sale | $ 100 |