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Vessels, detail (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2021 USD ($)
Movement in Property, Plant and Equipment [Roll Forward]
Vessels, Beginning Balance	$ 872,431
Additions for improvements	684
Additions reclassified from other non-current assets	441
Transferred to vessel cost	16,121
Vessels, Ending Balance	857,435
Movement in Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment [Roll Forward]
Accumulated depreciation, Beginning Balance	(156,253)
Transfer to held for sale	7,111
Depreciation for the year	(17,474)
Accumulated depreciation, Ending Balance	(166,616)
Property, Plant and Equipment, Net, by Type [Abstract]
Vessels net book value, Beginning Balance	716,178
Additions for improvements	684
Additions reclassified from other non-current assets	441
Vessel transferred to held for sale	(9,010)
Depreciation for the year	(17,474)
Vessels net book value, Ending Balance	$ 690,819

X

- Definition

Amount of decrease in accumulated depreciation, depletion and amortization as a result of transfer to held for sale of property, plant and equipment.

+ References

No definition available.

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Reclassifications from other non-current assets to addition as of property, plant and equipment.

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- Definition

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

+ References

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- Definition

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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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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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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Amount before accumulated depreciation, depletion and amortization of 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, and furniture and fixtures.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount of increase (decrease) of physical assets used in the normal conduct of business and not intended for resale, from reclassification, impairment, donation, or changes classified as other. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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