v3.2.0.727
Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2015
Dec. 31, 2014
Statement of Financial Position [Abstract]    
Preferred shares, par value per share $ 0.01 $ 0.01
Preferred shares, authorized 50,000,000 50,000,000
Preferred shares, outstanding 0 0
Ordinary Shares, Par or Stated Value Per Share $ 0.01 $ 0.01
Ordinary shares, authorized 1,200,000,000 1,200,000,000
Ordinary shares, outstanding 285,906,302 291,619,411