Interest And Other Expense, Net (Schedule Of Interest Expense Capitalized Associated With Construction In Progress) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2012	Mar. 31, 2011
Interest And Other Expense, Net [Abstract]
Coupon interest expense	$ 4,318	$ 1,796
Non-cash interest from debt discount	2,852	2,648
Total capitalized interest	$ 7,170	$ 4,444

Total interest costs incurred during the period that are capitalized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 34

-Paragraph 21

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration