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Income Taxes - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2017 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2038 | Dec. 31, 2022 | Dec. 31, 2019 | Dec. 31, 2018
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Income tax expense (benefit) for discontinued operations |  |  |  | $ 200 |  |  |  |
Tax Cuts and Jobs Act of 2017, income tax expense | $ 28,400 |  |  |  |  |  |  |
Tax Cuts and Jobs Act of 2017, remeasurement of deferred tax assets and liabilities | 36,000 | $ 36,000 |  |  |  |  |  |
Tax Cuts and Jobs Act of 2017, transition tax for accumulated foreign earnings, income tax expense | 29,100 | 29,100 |  |  |  |  |  |
Tax Cuts and Jobs Act of 2017, valuation allowance against foreign tax credit carryforward | (35,300) | (35,300) |  |  |  |  |  |
Tax Cuts and Jobs Act of 2017, income tax expense related to employee compensation | 0 |  |  |  |  |  |  |
Income tax benefit from domestic permanent differences and tax credits |  | 48,200 |  |  |  |  |  |
Income tax benefit from domestic permanent differences and tax credits, non-taxable translation gain |  | 27,100 |  |  |  |  |  |
Income tax benefit from foreign jurisdiction tax credits |  | $ 19,800 |  |  |  |  |  |
Statutory tax rates |  | 35.00% | 35.00% | 35.00% |  |  |  |
Foreign tax rate differences benefit in income tax |  | $ 13,000 | $ 17,700 | $ 3,400 |  |  |  |
Income tax expense tax holiday |  | 3,500 | 2,900 |  |  |  |  |
Net operating loss carryforwards | 538,880 | 538,880 |  |  |  |  |  |
Net tax credit carryforwards | 97,100 | 97,100 |  |  |  |  |  |
Operating loss carryforwards that will be used in expiration periods | 158,600 | 158,600 |  |  |  |  |  |
Net tax credit carryforwards that will expire | 97,072 | 97,072 |  |  |  |  |  |
Net tax credit carry forwards with indefinite carry forward period | 6,600 | 6,600 |  |  |  |  |  |
Net tax credit carryforwards that expected to be utilized prior to expiry | 58,400 | 58,400 |  |  |  |  |  |
Net decrease in reserve for uncertain tax positions |  | 1,900 |  |  |  |  |  |
Balance at end of the year of unrecognized tax benefits | 8,579 | 8,579 | 10,474 | 7,293 |  |  |  |
Estimate the range of reasonably possible changes to unrecognized tax positions | 1,100 | 1,100 |  |  |  |  |  |
Recognized interest expense (income) and penalties of unrecognized tax benefits |  | 0 | (200) | $ 0 |  |  |  |
Accrued interest expense (income) and penalties of unrecognized tax benefits | 0 | 0 | $ 1,200 |  |  |  |  |
Scenario, Forecast [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Net tax credit carryforwards that will expire |  |  |  |  | $ 85,600 | $ 4,700 | $ 100 | $ 100
Net Operating Loss Carry Forwards Expires In 2017 [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Net operating loss carryforwards | 1,000 | 1,000 |  |  |  |  |  |
Net Operating Loss Carry Forwards Expires In 2018 [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Net operating loss carryforwards | 200 | 200 |  |  |  |  |  |
Net Operating Loss Carry Forwards Expires In 2019 [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Net operating loss carryforwards | 7,900 | 7,900 |  |  |  |  |  |
2020 and 2022 [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Net operating loss carryforwards | 33,700 | 33,700 |  |  |  |  |  |
2023 and 2038 [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Net operating loss carryforwards | 143,400 | 143,400 |  |  |  |  |  |
Net Operating Loss Carry Forward Indefinite Period [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Net operating loss carryforwards | 352,700 | $ 352,700 |  |  |  |  |  |
Germany [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Statutory tax rates |  | 28.00% |  |  |  |  |  |
Net operating loss carryforwards | 14,127 | $ 14,127 |  |  |  |  |  |
Canada [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Statutory tax rates |  | 26.00% |  |  |  |  |  |
Net tax credit carryforwards that will expire | 22,459 | $ 22,459 |  |  |  |  |  |
Netherlands [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Statutory tax rates |  | 25.00% |  |  |  |  |  |
Net operating loss carryforwards | $ 13,063 | $ 13,063 |  |  |  |  |  |

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