Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
Jun. 30, 2012 Rate	Dec. 31, 2011 Rate
Income Taxes [Abstract]
Effective income tax rate	40.00%	39.60%
Unrecognized tax benefits	$ 1,825	$ 1,825
Unrecognized tax benefits that would impact effective tax rate	1,260	1,260
Unrecognized tax benefits, interest on income taxes accrued	99	99
Significant change in unrecognized tax benefits is reasonably possible, estimated range of change, lower bound	200
Significant change in unrecognized tax benefits is reasonably possible, estimated range of change, upper bound	$ 300

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A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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-Name Accounting Standards Codification

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 109

-Paragraph 47

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- Definition

The estimated lower bound of the reasonably possible change in the total amount of the unrecognized tax benefit (that will significantly increase or decrease within twelve months of the balance sheet date) for a tax position taken.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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The estimated upper bound of the reasonably possible change in the total amount of the unrecognized tax benefit (that will significantly increase or decrease within twelve months of the balance sheet date) for a tax position taken.

+ References

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- Definition

The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

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-Publisher FASB

-Name FASB Interpretation (FIN)

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

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-Glossary Unrecognized Tax Benefit

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- Definition

This element represents the amount of interest expense accrued as of the date of the statement of financial position for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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