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Income Taxes (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015 | Dec. 31, 2015
Valuation Allowance [Line Items] |  |  |  |  |
Deferred Tax Assets, Gross | $ 172,500 |  | $ 172,500 |  |
Deferred Tax Assets, Valuation Allowance | 21,600 |  | 21,600 |  |
Provision for (benefit from) income taxes | 4,254 | $ (166,971) | 14,878 | $ (155,727) |
Unrecognized tax benefits | 22,400 |  | 22,400 |  | $ 20,800
Portion of unrecognized tax benefits, which if recognized, would be recorded as an income tax benefit | 2,900 |  | 2,900 |  |
Unrecognized tax benefits included in long-term income taxes payable | 2,900 |  | 2,900 |  | 2,200
Unrecognized tax benefits, reduction of long-term deferred tax assets | 19,500 |  | 19,500 |  | $ 18,600
Foreign Tax Authority [Member] |  |  |  |  |
Valuation Allowance [Line Items] |  |  |  |  |
Income Taxes Paid | $ 5,500 | $ 5,400 | $ 16,500 | $ 15,000 |

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- Definition Represents the amount of unrecognized tax benefits which pertained to uncertain tax positions taken in tax returns and was recorded as a reduction of long-term deferred tax assets as of the balance sheet date, prior to reduction for federal tax benefit. + References No definition available. + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. + 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 (b) -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32537-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Deferred Tax Asset -URI http://asc.fasb.org/extlink&oid=6510090 + Details
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