XML 25 R76.htm IDEA: XBRL DOCUMENT v2.4.0.8
Equity - Treasury Stock Activity (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Equity, Class of Treasury Stock [Line Items]    
Value of shares withheld for taxes $ 3,677  
Treasury Stock
   
Equity, Class of Treasury Stock [Line Items]    
Number of shares withheld for taxes 609 1,778
Value of shares withheld for taxes $ 3,677 $ 11,216