CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Assets:
Accumulated amortization on Deferred expenses	$ 28,587	$ 24,402
Liabilities:
Accretion on Deferred revenue	40,740	44,706
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)	228,663,022	178,616,664
Common shares, shares outstanding (in shares)	228,663,022	178,616,664
Series C [Member] | Cumulative Convertible [Member]
Equity:
Preferred Stock Aggregate Liquidation Preference Value	96,770	96,770
Preferred shares, convertible preferred, shares issued (in shares)	1,935,400	1,935,400
Preferred shares, redeemable preferred, shares outstanding (in shares)	1,935,400	1,935,400
Series D [Member] | Cumulative Redeemable [Member]
Equity:
Preferred Stock Aggregate Liquidation Preference Value	$ 155,000	$ 155,000
Preferred shares, convertible preferred, shares issued (in shares)	6,200,000	6,200,000
Preferred shares, redeemable preferred, shares outstanding (in shares)	6,200,000	6,200,000