v2.4.0.8
Stock Split (Details) (USD $)
0 Months Ended 6 Months Ended
May 27, 2014
Jun. 30, 2014
Jun. 06, 2014
Dec. 31, 2013
Stock Split [Abstract]        
Stock split effective date   Jun. 06, 2014    
Stock split conversion ratio 2      
Percent of dividend in stock 100.00%      
Stock split record date   May 27, 2014    
Common shares, par value $ 2.50 $ 2.50 $ 2.50 $ 2.50