Earnings per Share (Anti-Dilutive) (Details) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common shares potentially issuable	17,872	15,418	5,691
[OptionsWarrantsAndStockBasedCompensationMember]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common shares potentially issuable	2,111	111	0
[ConvertibleDebtSecuritiesMember]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common shares potentially issuable	11,532	11,078	5,691
[ContingentlyIssuableSharesMember]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common shares potentially issuable	4,229	4,229	0