Business Segment Information - Summary of Long-lived Assets Consisting of Property, Plant and Equipment, Net of Accumulated Depreciation, Attributed to Geographic Regions Based On Their Physical Location (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Property, plant and equipment, net	$ 187,630	$ 184,217
CANADA [Member]
Segment Reporting Information [Line Items]
Property, plant and equipment, net	115,711	144,065
Portugal [Member]
Segment Reporting Information [Line Items]
Property, plant and equipment, net	67,198	36,908
UNITED STATES [Member]
Segment Reporting Information [Line Items]
Property, plant and equipment, net	4,659	3,171
Other Countries [Member]
Segment Reporting Information [Line Items]
Property, plant and equipment, net	$ 62	$ 73