CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Equity:
Preferred shares, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred shares, authorized shares (in shares)	100,000,000	100,000,000
Common shares, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common shares, authorized shares (in shares)	400,000,000	400,000,000
Common shares, shares issued (in shares)	229,727,737	228,663,022
Common Shares, Outstanding (in shares)	229,727,737	228,663,022
Series C | Cumulative Convertible
Equity:
Preferred shares, liquidation preference	$ 96,770	$ 96,770
Preferred shares, shares issued (in shares)	1,935,400	1,935,400
Preferred shares, shares outstanding (in shares)	1,935,400	1,935,400