Income Taxes (Details Textual) (USD $) In Thousands, unless otherwise specified	6 Months Ended
Jun. 30, 2012
Income Tax Disclosure [Abstract]
Reversal of deferred tax valuation allowance	$ 2,989,000
Income tax discrete benefit	9,000
Valuation allowance amount	119,300
Amount of valuation allowance expected to be released in future periods	111,800
Amount of valuation allowance not expected to be released in future periods	$ 7,500

The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to changes in the income tax rates under enacted tax laws in the period.

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The amount of the valuation allowance recorded as of the balance sheet date pertaining to the specified deferred tax asset for which an assessment was made that it is more likely than not that all or a portion of such deferred tax asset will not be realized through related deductions on future tax returns.

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- Definition

The amount of the change in the period in the valuation allowance for a specified deferred tax asset.

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