Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.3.1.900
Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2015
Dec. 31, 2014
Statement Of Financial Position [Abstract]    
Class A preferred shares, shares issued 0 0
Class A preferred shares, shares outstanding 0 0
Common shares, without par value $ 0 $ 0
Common shares, Shares issued 130,188,775 129,365,076
Common shares, Shares outstanding 130,188,775 129,365,076