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Stockholders' Equity - Additional Information (Detail) (USD $)
12 Months Ended 33 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Aug. 31, 2011
Equity [Abstract]        
Common stock repurchase authorized       $ 5,000,000
Common stock remained available 551,000      
Repurchase of common stock 0 0 50,060  
Common stock repurchase average price per share     $ 8.96  
Dividends declared or distributed during period $ 0 $ 0 $ 0