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Income Taxes - Additional Information (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Income Tax [Line Items] |  |  |  |  |
Effective income tax rate (as percent) | (15.40%) | 36.70% | (62.40%) | 38.60% |
U.S. Federal statutory rate (as percent) | 21.00% |  | 21.00% |  |
Tax benefit recognized due to valuation allowances and French business tax | $ 0 |  | $ 0 |  |
Gross unrecognized tax benefits | $ 70,300,000 |  | $ 70,300,000 |  | $ 69,500,000
Earliest Tax Year |  |  |  |  |
Income Tax [Line Items] |  |  |  |  |
Income tax examination year under examination |  |  | 2013 |  |
Latest Tax Year |  |  |  |  |
Income Tax [Line Items] |  |  |  |  |
Income tax examination year under examination |  |  | 2020 |  |

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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