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Subsequent Event (Details)
6 Months Ended
Aug. 04, 2016
shares
Jun. 30, 2016
Subsequent Event [Line Items]    
Stock dividend payable date   Sep. 01, 2016
Stock dividend record date   Aug. 15, 2016
Subsequent Event    
Subsequent Event [Line Items]    
Common stock split ratio 2.0  
Subsequent Event | Before Stock Split    
Subsequent Event [Line Items]    
Shares outstanding 129,000,000  
Subsequent Event | After Stock Split    
Subsequent Event [Line Items]    
Shares outstanding 258,000,000