v2.4.0.8
Summary of Significant Accounting Policies (Fair Value Measurement) (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Accounting Policies [Abstract]    
Transfers between Level 2 and Level 3 $ 15,001  
Transfers between Level 3 into Level 2   $ 43,512