Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.

+ References+ Details

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.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-Publisher FASB

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-Paragraph 48

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

+ Details

Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
Income Taxes (Narrative) (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Tax Disclosure [Line Items]
Deferred tax asset, operating loss carryforwards	$ 1,100,000
Expiration of uncertain tax positions	0	0	4,287,000
Reversed Remaining Uncertain Positions Liability [Member]
Income Tax Disclosure [Line Items]
Expiration of uncertain tax positions			2,200,000
Reduced Tax Expense [Member]
Income Tax Disclosure [Line Items]
Expiration of uncertain tax positions			400,000
Restored Deferred Tax Assets [Member]
Income Tax Disclosure [Line Items]
Expiration of uncertain tax positions			1,700,000
Federal [Member]
Income Tax Disclosure [Line Items]
Net operating loss carryforwards	93,400,000
State and Local Jurisdiction [Member]
Income Tax Disclosure [Line Items]
Valuation allowance, operating loss carryforwards	$ 200,000
Minimum [Member] \| State and Local Jurisdiction [Member]
Income Tax Disclosure [Line Items]
Operating loss carryforwards, remaining life	1 year
Maximum [Member] \| State and Local Jurisdiction [Member]
Income Tax Disclosure [Line Items]
Operating loss carryforwards, remaining life	20 years