Income Taxes - Additional Information (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
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| Income Tax Expense (Benefit), Continuing Operations [Abstract] | |||
| Federal statutory income tax rate | 35.00% | 35.00% | 35.00% |
| Cash paid for income taxes | $ 390 | $ 3,000 | |
| Unrecognized tax benefits | 9,482 | $ 9,482 | 9,482 |
| Proceeds from income tax refunds | 90 | $ 3,000 | $ 59,126 |
| Valuation allowance | $ 232,900 | ||
| Minimum | |||
| Income Tax Expense (Benefit), Continuing Operations [Abstract] | |||
| Tax years under examination | 2012 | ||
| Maximum | |||
| Income Tax Expense (Benefit), Continuing Operations [Abstract] | |||
| Tax years under examination | 2015 | ||
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Tax year being audited in the income tax examination, in CCYY format. No definition available.
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- References No definition available.
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- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of cash received during the period as refunds for the overpayment of taxes. 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 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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- Details
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