v2.4.0.6
Related Party Transactions (Details) (USD $)
1 Months Ended 12 Months Ended
May 14, 2012
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Feb. 29, 2012
Related Party Transactions (Textual) [Abstract]          
Purchase of finished goods inventory   $ 8,100,000 $ 6,900,000 $ 5,300,000  
Offer and sale of common stock         4,086,750
Repurchase of common stock 2,774,250 2,774,250 10,124    
Repurchase price of common stock $ 66,638,000 $ 66,638,000 $ 202,000 $ 25,000  
Repurchase of common stock, Per share $ 24.02 $ 24.02