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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 6 Months Ended
May 31, 2021
Feb. 28, 2021
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Receivable from Joint Venture     $ 3,344   $ 3,344   $ 3,545
Altum International Pty Ltd [Member]              
Shares issued on exercise of stock options (in shares) 204,570 204,000          
Stock option exercise price $ 2.45 $ 2.45          
Altum International Pty Ltd [Member] | Maximum [Member]              
Equity ownership percentage 12.20% 10.00%          
V F Hemp              
Equity losses from joint venture     (86) $ (113) (213) $ (415)  
Receivable from Joint Venture     $ 3,344   $ 3,344