Business Segment Information - Summary of Channels of Revenue (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting Information [Line Items]
Revenue	$ 51,406	$ 51,101	$ 153,922	$ 120,043
Cannabis [Member]
Segment Reporting Information [Line Items]
Revenue	31,426	35,451	92,373	78,876
Cannabis [Member] | Adult-use [Member]
Segment Reporting Information [Line Items]
Revenue	19,926	15,835	58,466	38,758
Cannabis [Member] | Canada - medical [Member]
Segment Reporting Information [Line Items]
Revenue	3,399	3,898	11,285	9,222
Cannabis [Member] | International - medical [Member]
Segment Reporting Information [Line Items]
Revenue	8,101	5,708	22,220	9,370
Cannabis [Member] | Bulk [Member]
Segment Reporting Information [Line Items]
Revenue		10,010	402	21,526
Hemp [Member]
Segment Reporting Information [Line Items]
Revenue	$ 19,980	$ 15,650	$ 61,549	$ 41,167