Annual report pursuant to Section 13 and 15(d)

Income Taxes (Narrative) (Details)

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Income Taxes (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Income Tax Disclosure [Abstract]  
Operating loss carryforwards, valuation allowance $ 171,907us-gaap_OperatingLossCarryforwardsValuationAllowance