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Derivative at Fair Value (Details)
1 Months Ended 12 Months Ended
Dec. 03, 2019
$ / item
Dec. 02, 2019
$ / item
Dec. 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
Derivative at Fair Value        
Variable fee (per tonne) | $ / item 11.00 22.00    
Derivative at fair value     $ 254,000 $ 254,000
Increase in derivatives     $ 59,000 $ 254,000