Net Loss Per Share (Computation Of Basic And Diluted Net Loss Per Share) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2012	Mar. 31, 2011
Net Loss Per Share [Abstract]
Net loss	$ (93,495)	$ (130,995)
Basic and diluted earnings per share - weighted-average shares	198,972,188	189,076,628
Net loss per share	$ (0.47)	$ (0.69)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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