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Income Taxes
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3 Months Ended |
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Mar. 31, 2015
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| Income Tax Disclosure [Abstract] | |
| Income Taxes | Income Taxes The Company's effective tax rates are lower than the federal statutory rate of 35% primarily because of the impact of changes to existing valuation allowances. The Company continues to provide a valuation allowance for its deferred tax assets in excess of deferred tax liabilities because the Company concluded that it is more likely than not that such deferred tax assets will ultimately not be realized. |