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Income Taxes (Details) (USD $)	3 Months Ended		9 Months Ended
Income Taxes (Details) (USD $)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Income Tax (Textual) [Abstract]
Valuation allowance					$ 53,200,000
Provision for income tax expense (benefit)	$ 46,000	$ 6,511,000	$ 168,000	$ (3,862,000)

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.