Business Segment Information - Summary of Channels of Revenue (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 30, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Revenue	$ 56,560	$ 51,406	$ 50,414	$ 52,102	$ 46,936	$ 51,101	$ 45,904	$ 23,038	$ 210,482	$ 166,979	$ 43,130
Cannabis [Member]
Segment Reporting Information [Line Items]
Revenue									133,605	107,147	43,130
Cannabis [Member] | Adult-use [Member]
Segment Reporting Information [Line Items]
Revenue									83,828	55,763	3,521
Cannabis [Member] | Canada - medical [Member]
Segment Reporting Information [Line Items]
Revenue									15,489	12,556	18,052
Cannabis [Member] | International - medical [Member]
Segment Reporting Information [Line Items]
Revenue									33,886	13,378	2,912
Cannabis [Member] | Bulk [Member]
Segment Reporting Information [Line Items]
Revenue									402	25,450	$ 18,645
Hemp [Member]
Segment Reporting Information [Line Items]
Revenue									$ 76,877	$ 59,832