Segments - Reconciliation of Total Segment EBITDA to (Loss) Income Before Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting [Abstract]
Total Segment EBITDA	$ (9,787)	$ 74,399	$ 36,586	$ 134,173
Depreciation and amortization	13,008	10,577	25,800	20,484
Other expense	(73)	(1,444)	(760)	(4,762)
(Loss) income from operations	(22,722)	65,266	11,546	118,451
Interest income	359	1,979	2,286	3,777
Interest expense	(20,467)	(14,636)	(40,708)	(29,385)
(Loss) income before income taxes	$ (42,903)	$ 51,165	$ (27,636)	$ 88,081

Earnings (loss) before interest tax depreciation and amortization.

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The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

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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.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

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- Definition

Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

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The net result for the period of deducting operating expenses from operating revenues.

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Amount of income (expense) related to nonoperating activities, classified as other.

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