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.

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Period Type:	duration

Income Taxes - Summary of Domestic and Foreign Components of Income (Loss) before Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Taxes [Line Items]
Income (loss) before income taxes	$ (10,248)	$ 49,560	$ 59,805	$ 36,871	$ (341,336)	$ 55,036	$ 69,258	$ 48,088	$ 135,988	$ (168,954)	$ 236,798
Foreign Tax Authority [Member]
Income Taxes [Line Items]
Income (loss) before income taxes									61,921	(228,350)	120,905
Domestic Tax Authority [Member]
Income Taxes [Line Items]
Income (loss) before income taxes									$ 74,067	$ 59,396	$ 115,893