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Income Taxes (Details) (USD $)
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3 Months Ended | 6 Months Ended | |||
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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Dec. 31, 2012
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| Income Tax Disclosure [Abstract] | |||||
| Income tax (benefit) provision | $ (577,001) | $ 2,026,630 | $ (1,199,739) | $ 2,608,517 | |
| Effective tax rate | 24.50% | 29.60% | 24.50% | 28.50% | |
| Gross unrecognized tax benefits | 4,900,000 | 4,900,000 | 4,900,000 | ||
| Unrecognized tax benefits, if recognized would affect effective income tax rate | $ 3,400,000 | $ 3,400,000 | $ 3,400,000 | ||
| X | ||||||||||
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- Definition
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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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