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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2020 | Dec. 31, 2019
Income Tax Examination [Line Items] |  |
Unrecognized tax benefits | $ 10.5 | $ 10.5
Accrued interest related to uncertain tax positions | $ 2.3 | $ 2.3
U.S. Federal [Member] |  |
Income Tax Examination [Line Items] |  |
Open tax year | 2008 |
U.S. State and Local [Member] |  |
Income Tax Examination [Line Items] |  |
Open tax year | 2009 |
Non-U.S [Member] |  |
Income Tax Examination [Line Items] |  |
Open tax year | 2012 |

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