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Income Taxes - Summary of Domestic and Foreign Components of Income from Continuing Operations before Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Taxes [Line Items]
Income from continuing operations before income taxes	$ 183,797	$ 78,395	$ 67,395
Foreign Tax Authority [Member]
Income Taxes [Line Items]
Income from continuing operations before income taxes	9,904	6,070	9,947
Domestic Tax Authority [Member]
Income Taxes [Line Items]
Income from continuing operations before income taxes	$ 173,893	$ 72,325	$ 57,448

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- Definition

Income Taxes [Line Items]

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- Definition

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

+ References

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