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Income Taxes - Summary of Changes In Tax Provisions (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 USD ($)
Movement In Deferred Tax Asset [Roll Forward] |
Balance at December 31, 2014 | $ 902,300
Valuation allowance | 161,158
Balance at December 31, 2015 | 0
Deferred Tax Asset, Changes In Current Period |
Movement In Deferred Tax Asset [Roll Forward] |
Valuation allowance | (154,800)
Deferred Tax Asset, Changes In Current Period | Other Comprehensive Income (Loss) |
Movement In Deferred Tax Asset [Roll Forward] |
Valuation allowance | 6,300
Deferred Tax Asset, Changes In Current Period | Income Tax Expense (Benefit) |
Movement In Deferred Tax Asset [Roll Forward] |
Valuation allowance | (161,100)
Deferred Tax Asset, Changes In Future Periods |
Movement In Deferred Tax Asset [Roll Forward] |
Valuation allowance | (747,500)
Deferred Tax Asset, Changes In Future Periods | Other Comprehensive Income (Loss) |
Movement In Deferred Tax Asset [Roll Forward] |
Valuation allowance | (60,800)
Deferred Tax Asset, Changes In Future Periods | Income Tax Expense (Benefit) |
Movement In Deferred Tax Asset [Roll Forward] |
Valuation allowance | $ (686,700)

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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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