CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 31, 2015	Dec. 31, 2014
CONSOLIDATED BALANCE SHEETS
Common stock, par value	$ 0.00	$ 0.00
Common stock, shares authorized	500,000,000	500,000,000
Common, shares issued	274,421,000	271,579,000
Common, shares outstanding	274,421,000	271,579,000
Exchangeable, shares issued	24,213,000	28,521,000
Exchangeable, shares outstanding	24,213,000	28,521,000