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SUBSIDIARIES (Parenthetical) (Details) - USD ($)
12 Months Ended
Sep. 01, 2021
Dec. 01, 2020
Sep. 30, 2020
Jul. 03, 2020
Feb. 14, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of subsidiaries [line items]                
Cash flows used in obtaining control over subsdiaries           $ 0 $ 28,313,000 $ 0
IVS Bulk Pte. Ltd. [member]                
Disclosure of subsidiaries [line items]                
Proportion of ownership interest in joint ventures 68.86% 66.75% 66.75%     33.50%    
Proportion of ownership interest in subsdiary 100.00% 68.86%     66.75%      
Cash flows used in obtaining control over subsdiaries   $ 4,000,000            
Additional controlling interest obtained percentage       35.00%        
Island Bulk Carriers Pte Ltd [Member]                
Disclosure of subsidiaries [line items]                
Additional controlling interest obtained percentage     2.11%