v2.4.0.6
Consolidated Balance Sheets (Parenthetical) (USD $)
Mar. 31, 2012
Dec. 31, 2011
Consolidated Balance Sheets [Abstract]    
Preferred shares, par value per share $ 0.01 $ 0.01
Preferred shares, authorized 50,000,000 50,000,000
Preferred shares, issued 0 0
Preferred shares, outstanding 0 0
Ordinary shares, par value per share $ 0.01 $ 0.01
Ordinary shares, authorized 1,200,000,000 1,200,000,000
Ordinary shares, issued 328,244,510 328,244,510
Ordinary shares, outstanding 328,244,510 328,244,510