Income Taxes - Components of Tax Benefit (Expenses) for Income Taxes from Continuing Operations (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current:
Federal	$ 4,552	$ (17,906)	$ 7,085
State and local	1,597	(4,624)	(2,663)
Foreign	(171,092)	(135,356)	(118,175)
Subtotal	(164,943)	(157,886)	(113,753)
Deferred:
Federal	16,553	(7,459)	(27,874)
State and local	704	(1,775)	(1,165)
Foreign	1,535	(18,232)	75,113
Subtotal	18,792	(27,466)	46,074
Income tax expense	$ (146,151)	$ (185,352)	$ (67,679)

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

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Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

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