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Stock Split - Additional Information (Details)
In Thousands, unless otherwise specified
 0 Months Ended
Apr. 02, 2014
Aug. 02, 2014
Apr. 16, 2014
Feb. 01, 2014
Class Of Stock [Line Items]        
Company stock split 2.87      
Common stock, shares authorized 110,000   120,000  
Preferred stock, shares authorized   20,000   0
Common Stock
        
Class Of Stock [Line Items]        
Common stock, shares authorized 100,000 100,000 100,000 27,552
Common stock, shares issued   41,818   27,265
Preferred Stock
        
Class Of Stock [Line Items]        
Preferred stock, shares authorized     20,000  
Restricted Stock | Nonvoting Common Stock
        
Class Of Stock [Line Items]        
Common stock, shares issued 10,000