XML 46 R24.htm IDEA: XBRL DOCUMENT v2.4.0.6
Net Capital Requirements and Customer Protection Requirements (Tables)
12 Months Ended
Dec. 31, 2011
Net Capital Requirements and Customer Protection Requirements [Abstract]  
Net capital requirements and customer protection requirements
                         
    MarketAxess
Corporation
    MarketAxess
Europe Limited
    MarketAxess
Canada Limited
 
          (In thousands)        

Net capital

  $ 73,890     $ 24,301     $ 418  

Minimum net capital required

    2,499       3,179       269  
   

 

 

   

 

 

   

 

 

 

Excess net capital

  $ 71,391     $ 21,122     $ 149