Basis of Presentation and General Information (Details)		6 Months Ended
	May 04, 2018 t	Jun. 30, 2020 vessel segment t
Property, Plant and Equipment [Line Items]
Number of business segments | segment		1
Number of vessels		50
Dead weight tonnage of operating fleet | t		2,946,188
Average age of operating fleet		9 years 2 months 12 days
2013 Built Ultramax Vessel
Property, Plant and Equipment [Line Items]
Dead weight tonnage of operating fleet | t	61,425
Number of vessels charted-in		3
Charters agreement term	3 years
Supramax Vessels
Property, Plant and Equipment [Line Items]
Vessels in operation		30
Ultramax Vessels
Property, Plant and Equipment [Line Items]
Vessels in operation		20