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Acquisitions and Business Combinations - Additional Information (Details) - USD ($) $ in Thousands					3 Months Ended	12 Months Ended
	Mar. 30, 2020	Jul. 31, 2019	Apr. 15, 2019	Feb. 22, 2019	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Goodwill					$ 40,283	$ 23,155	$ 40,283	$ 6,065
Impairment of goodwill and intangibles						16,748	145,203
Cannex Capital Holdings Inc
Business Acquisition [Line Items]
Business combination, completion date		Jul. 31, 2019
Business combination, shares issued		190,482,146
Intangible assets		$ 13,600
Goodwill		166,557
Goodwill expected tax deductible amount		0
Deferred tax liability, goodwill						$ 1,406
Cannex Capital Holdings Inc \| General and Administrative Expenses
Business Acquisition [Line Items]
Acquisition costs							$ 2,324
Cannex Capital Holdings Inc \| Trademarks
Business Acquisition [Line Items]
Intangible assets		3,900
Cannex Capital Holdings Inc \| Know-how (trade secrets)
Business Acquisition [Line Items]
Intangible assets		$ 9,700
4Front Holdings LLC
Business Acquisition [Line Items]
Business combination, shares issued		340,400,000
Om of Medicine LLC
Business Acquisition [Line Items]
Business combination, shares issued			9,040
Intangible assets			$ 7,700
Goodwill			$ 1,435
Percentage of voting equity interests acquired			100.00%
Impairment of goodwill and intangibles					$ 2,651
Om of Medicine LLC \| General and Administrative Expenses
Business Acquisition [Line Items]
Acquisition costs			$ 29
PHX Interactive LLC
Business Acquisition [Line Items]
Business combination, shares issued				5,496
Goodwill				$ 6,225
Percentage of voting equity interests acquired				100.00%
PHX and Green Goddess
Business Acquisition [Line Items]
Sale of equity method investments	$ 6,000