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Income Tax Receivable	9 Months Ended
Income Tax Receivable	Sep. 30, 2011
Income Tax Receivable [Abstract]
Income Tax Receivable	Income Tax Receivable Income tax receivable consists of tax refunds we expect to receive within one year. Income tax receivables were $1,416 and $1,766 at September 30, 2011 and December 31, 2010, respectively.