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Income Taxes (Details) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Income Tax Examination [Line Items]      
Deferred Income Tax Expense (Benefit) $ (79,237,000)us-gaap_DeferredIncomeTaxExpenseBenefit $ 598,000us-gaap_DeferredIncomeTaxExpenseBenefit  
Deferred income tax assets [Abstract]      
Valuation allowance $ 9,200,000us-gaap_DeferredTaxAssetsValuationAllowance   $ 9,200,000us-gaap_DeferredTaxAssetsValuationAllowance
Internal Revenue Service (IRS) [Member] | Minimum [Member]      
Income Tax Examination [Line Items]      
Tax years open for future examination 2011    
Internal Revenue Service (IRS) [Member] | Maximum [Member]      
Income Tax Examination [Line Items]      
Tax years open for future examination 2013