Income Taxes - Components of Income (Loss) From Continuing Operations (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Loss From Operations Before Provision Benefit For Income Taxes [Line Items]
United States	$ (42,578)	$ (42,461)	$ (65,071)
Loss before income taxes	(16,774)	(26,841)	(21,877)
CANADA
Income Loss From Operations Before Provision Benefit For Income Taxes [Line Items]
Foreign	(578)	5,934	8,602
All Other Foreign
Income Loss From Operations Before Provision Benefit For Income Taxes [Line Items]
Foreign	$ 26,382	$ 9,686	$ 34,592

Income Loss From Operations Before Provision Benefit For Income Taxes [Line Items]

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- Definition

The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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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

The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

+ References

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