Vessels and other fixed assets net - Schedules of vessels and other fixed assets, net (Table) (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020
Property, Plant and Equipment [Line Items]
Balance, December 31, 2020	$ 2,877,119
Depreciation for the period	(74,336)	$ (69,958)
Balance, June 30, 2021	3,077,899
Cost [Member]
Property, Plant and Equipment [Line Items]
Balance, December 31, 2020	3,464,808
Acquisitions, improvements and other vessel costs	275,116
Balance, June 30, 2021	3,739,924
Accumulated depreciation [Member]
Property, Plant and Equipment [Line Items]
Balance, December 31, 2020	(587,689)
Depreciation for the period	(74,336)
Balance, June 30, 2021	(662,025)
Net Book Value [Member]
Property, Plant and Equipment [Line Items]
Balance, December 31, 2020	2,877,119
Acquisitions, improvements and other vessel costs	275,116
Depreciation for the period	(74,336)
Balance, June 30, 2021	$ 3,077,899

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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