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Debt - Super Senior Facility (Details) - USD ($)
12 Months Ended
Dec. 08, 2017
Nov. 28, 2017
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Debt Instrument [Line Items]          
Other financing costs     $ 3,533,770 $ 0 $ 2,025,514
Eagle Bulk Shipco LLC          
Debt Instrument [Line Items]          
Other financing costs   $ 1,300,000      
Eagle Bulk Shipco LLC | Line of Credit | Super Senior Revolver Facility | Revolving Credit Facility          
Debt Instrument [Line Items]          
Revolving credit facility $ 15,000,000.0        
Other financing costs $ 300,000        
Commitment fee percentage 40.00%        
Leverage ratio 75.00%        
Minimum liquidity threshold $ 12,500,000        
Minimum market value to total commitments percentage 300.00%        
Minimum amount of bonds outstanding $ 100,000,000.0        
Eagle Bulk Shipco LLC | Line of Credit | Super Senior Revolver Facility | Revolving Credit Facility | LIBOR          
Debt Instrument [Line Items]          
Basis spread on variable rate 2.00%