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Income Taxes (Details) (USD $)	3 Months Ended		6 Months Ended
Income Taxes (Details) (USD $)	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Income Taxes [Abstract]
Income tax benefit (provision)	$ 211,000	$ 444,000	$ 881,000	$ (33,507,000)
Income tax rate, percentage	29.80%	39.70%	29.80%	38.60%
Unrecognized tax benefits	424,000		424,000		424,000
Unrecognized tax benefits, if recognized, that would affect the effective income tax rates	$ 424,000		$ 424,000

- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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- Definition

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

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