Income Taxes 6 (Details) (USD $)	12 Months Ended
Dec. 31, 2010
Operating Loss Carryforwards [Line Items]
State NOL carryforwards	617,900,000
Deferred tax asset for State NOL carryforwards	27,800,000
Deferred tax asset for Federal NOL carryforward (entities not on Federal return)	5,900,000
Internal Revenue Service IRS Member
Operating Loss Carryforwards [Line Items]
Expiration of NOL carryforwards	between 2011 and 2030
State And Local Jurisdiction Member
Operating Loss Carryforwards [Line Items]
Expiration of NOL carryforwards	between 2011 and 2030

The tax effect as of the balance sheet date of the amount of excess of tax deductions over gross income in a year which cannot be used on the tax return of the country of domicile in the current year but can be carried forward to reduce taxable income or income taxes payable in a future year, for which there must be sufficient tax-basis income to utilize a portion or all of the carryforward amount to realize the deferred tax asset.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 109

-Paragraph 43, 289

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- Definition

The tax effect as of the balance sheet date of the amount of excess of tax deductions over gross income in a year which cannot be used on the tax return of a state or local jurisdiction in the current year but can be carried forward to reduce taxable income or income taxes payable in a future year, for which there must be sufficient tax-basis income to utilize a portion or all of the carryforward amount to realize the deferred tax asset.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 109

-Section Appendix E

-Paragraph 289

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 109

-Paragraph 43

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- Definition

The expiration date of each operating loss carryforward included in total operating loss carryforwards, or the applicable range of such expiration dates.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 109

-Paragraph 48

-Subparagraph a

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

State and local operating loss carryforwards, before tax effects, available to reduce future taxable income under enacted tax laws.

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