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Nature of Operations - Additional Information (Detail)
12 Months Ended
Dec. 31, 2019
MW
Village Fields Hemp USA LLC VF Hemp [Member]  
Nature Of Operations [Line Items]  
Equity ownership percentage 65.00%
Arkansas Valley Green and Gold Hemp [Member]  
Nature Of Operations [Line Items]  
Equity ownership percentage 60.00%
Pure Sunfarms Corp Pure Sunfarms Member [Member]  
Nature Of Operations [Line Items]  
Equity ownership percentage 53.50%
VF Clean Energy Inc [Member] | Power Plant [Member]  
Nature Of Operations [Line Items]  
Generation of Electricity 7.0