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Summary of Significant Accounting Policies - Earnings Per Share (Narrative)(Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Summary Of Significant Accounting Policies [Abstract]
Net loss									$ 3,614	$ (24,702)	$ (10,690)
Weighted average shares outstanding									25,973	25,973	18,593
Net income (loss) per share - basic and diluted	$ 0.03	$ 0.02	$ 0.04	$ 0.05	$ (0.89)	$ 0.05	$ (0.02)	$ (0.10)	$ 0.14	$ (0.95)	$ (0.57)

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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