|
Fair Value Measurements (Details Textual) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Deferred Acquisition Consideration, Fixed Payments | $ 2,065 | $ 1,651 |
| Business Acquisition, Contingent Consideration Potential Cash Payment, Total | $ 153,913 | $ 196,446 |