Consolidated Balance Sheets (Parenthetical) - $ / shares |
Sep. 30, 2016 |
Dec. 31, 2015 |
|---|---|---|
| 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 | 271,277,612 | 278,208,470 |