XML 27 R30.htm IDEA: XBRL DOCUMENT v2.4.0.8
Stock Split - Additional Information (Details)
0 Months Ended
Apr. 02, 2014
Nov. 01, 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   20,000,000   0
Common Stock
       
Class Of Stock [Line Items]        
Common stock, shares authorized 100,000   100,000  
Preferred Stock
       
Class Of Stock [Line Items]        
Preferred stock, shares authorized     20,000,000  
Restricted Nonvoting Common Stock
       
Class Of Stock [Line Items]        
Common stock, shares authorized 10,000 0   6,888,000