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Income Taxes - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Income Tax [Line Items] |  |  |
Non-current deferred tax assets | $ 103,559 | $ 79,618 |
Non-current deferred tax liabilities | 173,233 | 189,814 |
Valuation allowance | 15,717 | 1,556 |
Benefits of future tax deductions for amortization | 28,300 | 38,100 |
Unrecognized tax benefits | 127,080 | 102,770 | $ 90,349
Unrecognized tax benefits reductions resulting from anticipated closure of audits and the expiration of certain statutes of limitation | 9,200 |  |
Unrecognized tax benefits that would impact effective tax rate | 118,500 |  |
Unrecognized tax benefits that would result adjustments to other tax accounts | 8,600 |  |
Income tax penalties and interest expense | 10,200 | 8,300 |
Income tax examination, penalties and interest expense | 2,000 | 1,700 |
Accumulated undistributed earnings of non-US subsidiaries | 119,500 |  |
State and local jurisdiction |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | 8,000 |  |
Tax credit carryforwards | $ 6,000 |  |
State and local jurisdiction | Minimum |  |  |
Income Tax [Line Items] |  |  |
Tax credit carryforwards, expiration period | 5 years |  |
State and local jurisdiction | Maximum |  |  |
Income Tax [Line Items] |  |  |
Tax credit carryforwards, expiration period | 6 years |  |
State and local jurisdiction | Expire within six to fifteen years |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | $ 100 |  |
State and local jurisdiction | Expire within six to fifteen years | Minimum |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards expiration period | 6 years |  |
State and local jurisdiction | Expire within six to fifteen years | Maximum |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards expiration period | 15 years |  |
State and local jurisdiction | Expire within sixteen to twenty years |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | $ 7,900 |  |
State and local jurisdiction | Expire within sixteen to twenty years | Minimum |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards expiration period | 16 years |  |
State and local jurisdiction | Expire within sixteen to twenty years | Maximum |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards expiration period | 20 years |  |
Foreign Tax Authority |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | $ 14,900 |  |
Tax credit carryforwards | 11,900 |  |
Foreign Tax Authority | Expire over next twenty years |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | $ 100 |  |
Operating loss carryforwards expiration period | 20 years |  |
Foreign Tax Authority | Carried forward indefinitely |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | $ 14,800 |  |
Other assets |  |  |
Income Tax [Line Items] |  |  |
Non-current deferred tax assets | 103,600 | 79,600 |
Other liabilities |  |  |
Income Tax [Line Items] |  |  |
Non-current deferred tax liabilities | $ 173,200 | $ 189,800 |

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