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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands | 6 Months Ended |
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Jun. 30, 2020 | Dec. 31, 2019
Income Tax Disclosure [Abstract] |  |
Liability for unrecognized tax benefits | $ 69,162 | $ 68,214
Unrecognized tax benefits that would impact effective tax rate | 64,916 |
Increase in liability for unrecognized tax benefits | 948 |
Accrued interest and penalties related to unrecognized tax benefits, net of federal tax benefits | $ 15,980 | $ 14,428

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- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
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