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Investment In Joint Ventures And Minority Interests - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended
Feb. 28, 2021
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Receivable from Joint Venture   $ 3,423   $ 3,545
Altum International Pty Ltd [Member]        
Shares issued on exercise of stock options (in shares) 204,000      
Stock option exercise price $ 2.45      
Altum International Pty Ltd [Member] | Maximum [Member]        
Equity ownership percentage 10.00%      
V F Hemp        
Equity losses from joint venture   (127) $ (302)  
Receivable from Joint Venture   $ 3,423