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Transactions with Related Parties - Balance Sheets (Table) (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Related Party Transaction [Line Items]
Due from related parties	$ 466	$ 481
Due to related parties	3,171	1,439
Oceanbulk Maritime and its affiliates [Member]
Related Party Transaction [Line Items]
Due from related parties	334	426
Interchart [Member]
Related Party Transaction [Line Items]
Due from related parties	3	3
AOM [Member]
Related Party Transaction [Line Items]
Due from related parties	74	(0)
Starocean [Member]
Related Party Transaction [Line Items]
Due from related parties	34	34
Coromel Maritime Limited [Member]
Related Party Transaction [Line Items]
Due from related parties	(0)	1
Product Shipping and Trading S.A. [Member]
Related Party Transaction [Line Items]
Due from related parties	21	17
Management [Member]
Related Party Transaction [Line Items]
Due to related parties	91	252
Hartree Marine Fuels LLC [Member]
Related Party Transaction [Line Items]
Due to related parties	931	(0)
Augustea Technoservices Ltd and affiliates [Members]
Related Party Transaction [Line Items]
Due to related parties	$ 2,149	$ 1,187

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- Definition

The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle).

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Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

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