XML 12 R5.htm IDEA: XBRL DOCUMENT v3.5.0.2
UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Jun. 30, 2016
Dec. 31, 2015
Jun. 30, 2015
Dec. 31, 2014
Stockholders' equity        
Share capital, par value (in dollars per share) $ 1.00 $ 1.00    
Share Capital, shares authorized 125,000,000 125,000,000    
Share Capital, shares issued 93,504,575 93,468,000    
Share Capital, shares outstanding 93,504,575 93,468,000 93,468,000 93,404,000