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Common Stock
3 Months Ended
Mar. 31, 2012
Equity [Abstract]  
Common Stock
Common Stock

The Company had 16,758,066 and 16,443,429 shares of Class A common stock outstanding as of March 31, 2012 and December 31, 2011, respectively.

The Company had 26,432,909 and 26,540,745 shares of Class B common stock outstanding as of March 31, 2012 and December 31, 2011, respectively.