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SUBSEQUENT EVENTS (Details)
2 Months Ended 6 Months Ended
Aug. 30, 2021
$ / shares
Sep. 10, 2021
USD ($)
Building
Jun. 30, 2021
USD ($)
Building
Jun. 30, 2020
USD ($)
Sep. 29, 2021
USD ($)
Jul. 28, 2021
Vessel
Oct. 16, 2020
USD ($)
Dividends [Abstract]              
Payment for commitments     $ 865,000 $ 0      
Number of new buildings | Building     2        
At-the-market Offering of Common Stock     $ 60,000,000        
Maximum [Member]              
Dividends [Abstract]              
At-the-market Offering of Common Stock             $ 60,000,000
Subsequent Event [Member]              
Dividends [Abstract]              
Dividend declared (in dollars per share) | $ / shares $ 0.01            
Dividend declare date Aug. 30, 2021            
Dividend paid date Oct. 14, 2021            
Payment for commitments   $ 11,000,000.0          
Number of new buildings | Building   2          
At-the-market Offering of Common Stock         $ 60,000,000    
Subsequent Event [Member] | Vessels Built in 2000 and 2002 [Member]              
Vessels [Abstract]              
Number of vessels to be sold | Vessel           1  
Subsequent Event [Member] | Minimum [Member] | Vessels Built in 2000 and 2002 [Member]              
Vessels [Abstract]              
Number of vessels intended to be disposed of | Vessel           2  
Subsequent Event [Member] | Maximum [Member]              
Dividends [Abstract]              
At-the-market Offering of Common Stock         $ 60,000,000