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Income Taxes (Estimated Capital Loss Carryforwards) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011
Income Taxes [Abstract]
December 31, 2012	$ (6,038)
December 31, 2013	(7,746)
December 31, 2014	(48)
Capital loss carryforwards	$ (13,832)

The tax effect as of the balance sheet date of the amount of future tax deductions arising from capital losses in excess of statutory limitations in historical filings, and which can only be utilized if sufficient tax-basis income is generated in future periods and providing tax laws continue to allow such utilization.

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