Income Taxes Net Operating Loss Carry Forward (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2012
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards, Limitations on Use	25994800
Operating Loss Carryforwards, Valuation Allowance	$ 8.8
Operating Loss Carryforwards	$ 69.7

The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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