Income Taxes - Additional Information (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Income Tax Disclosure [Abstract] | |||
| Federal income tax provision, current | $ 0 | $ 0 | $ 0 |
| Operating loss carryforwards, exclusive of excess share-based compensation deductions | 3,762,205 | ||
| Deferred tax assets, valuation allowance, excess share-based compensation deductions | 827,150 | ||
| Operating loss carryforwards, per tax return | 4,589,355 | ||
| Valuation allowance | 49,095 | 4,995 | |
| Increase (decrease) in valuation allowance | 44,392 | ||
| Unrecognized tax benefits | 253,277 | 1,432 | $ 1,432 |
| Unrecognized tax benefits that would impact effective tax rate | 183,974 | ||
| Unrecognized tax benefits, increase resulting from interest | 89 | 55 | |
| Uncertain tax positions are recognized in other long-term liabilities | $ 3,525 | $ 1,432 | |
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- Definition Deferred tax assets, excess share based compensation deductions. No definition available.
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- Definition Operating loss carryforwards, exclusive of excess share-based compensation deductions. No definition available.
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- Definition Operating loss carryforwards per tax return. No definition available.
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- Definition Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition The noncurrent portion of the amount recognized for uncertain tax positions as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of interest expense for an underpayment of income taxes. 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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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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