Capacity Of Vessels In Twenty Foot Equivalent Units.

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Total costs capitalized in vessel cost unpaid.

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The number of vessels which are unencumbered, free of claims by creditors.

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Number of vessels pledged as collateral under credit facilities.

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Sale price of an asset agreed in a Memorandum of Agreement.

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The date of delivery of the vessel.

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This element represents costs for capitalized improvements of vessels.

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- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

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Discussion of whether the borrowings under the credit facility are secured or unsecured and, if secured, a description of collateral (for example, accounts receivable less than 120 days old, finished goods inventory).

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- Definition

The cash outflow from construction costs to date on capital projects that have not been completed and assets being constructed that are not ready to be placed into service.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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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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No definition available.

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Fair value portion 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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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Vessels in Operation (Details Narrative) $ in Thousands		2 Months Ended		3 Months Ended		5 Months Ended		9 Months Ended	12 Months Ended
Vessels in Operation (Details Narrative) $ in Thousands	Jan. 09, 2026	Mar. 10, 2025 USD ($)	Feb. 19, 2025 USD ($)	Mar. 24, 2025 USD ($)	Mar. 23, 2023 USD ($)	May 31, 2025 USD ($)	May 23, 2025	Oct. 13, 2025	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Property, Plant and Equipment [Line Items]
Unpaid capitalized expenses									$ 11,550	$ 13,556	$ 2,679
Gain (Loss) on Disposition of Property Plant Equipment									46,272	(0)	(0)
Tangible Asset Impairment Charges									0	0	18,830
Property, Plant and Equipment, Net									$ 1,962,888	1,884,640
Number of unencumbered vessels									18
Payments for Construction in Process									$ 33,226	24,154	9,587
Advances for other vessel additions									$ 5,761	11,784
2027 Secured Notes (c) [Member]
Property, Plant and Equipment [Line Items]
Number of vessels pledged as collateral									16
Other Loan Facilities [Member]
Property, Plant and Equipment [Line Items]
Number of vessels pledged as collateral									36
Three E C O Vessels I [Member]
Property, Plant and Equipment [Line Items]
Capacity in TEUs									8,586
Property, Plant and Equipment, Additions									$ 90,000
Two Out Of Three E C O Vessels [Member]
Property, Plant and Equipment [Line Items]
Vessel delivery date									various dates in December 2025
Third E C O Vessels [Member]
Property, Plant and Equipment [Line Items]
Vessel delivery date	January 9, 2026
Payments for Construction in Process									$ 30,200
Cypress [Member]
Property, Plant and Equipment [Line Items]
Capacity in TEUs	8,586								8,586
Vessel delivery date	January 9, 2026
Advances for vessel acquisition									$ 30,200
Dimitris Y [Member]
Property, Plant and Equipment [Line Items]
Vessel delivery date								October 13, 2025
Sale price agreed in Memorandum of Agreement						$ 35,600
Proceeds from Sale of Property, Plant, and Equipment						$ 35,085
Collateral description						the vessel was released as collateral under the Company’s $350,000 5.69% Senior Secured Notes due 2027
Gain (Loss) on Disposition of Property Plant Equipment						$ 17,943
Keta [Member]
Property, Plant and Equipment [Line Items]
Capacity in TEUs				2,207
Proceeds from Sale of Property, Plant, and Equipment				$ 11,944
Collateral description				the vessel was released as collateral under the Company’s $350,000 5.69% Senior Secured Notes due 2027
Gain (Loss) on Disposition of Property Plant Equipment				$ 7,121
Tasman [Member]
Property, Plant and Equipment [Line Items]
Capacity in TEUs		5,936
Proceeds from Sale of Property, Plant, and Equipment		$ 30,846
Collateral description		the vessel was released as collateral under the Company’s $350,000 5.69% Senior Secured Notes due 2027
Gain (Loss) on Disposition of Property Plant Equipment		$ 17,929
Akiteta [Member]
Property, Plant and Equipment [Line Items]
Capacity in TEUs			2,220
Proceeds from Sale of Property, Plant, and Equipment			$ 10,693
Collateral description			the vessel was released as collateral under the Company’s $350,000 5.69% Senior Secured Notes due 2027
Gain (Loss) on Disposition of Property Plant Equipment			$ 3,279
GSL Amstel [Member]
Property, Plant and Equipment [Line Items]
Proceeds from Sale of Property, Plant, and Equipment					$ 5,940
Collateral description					the vessel was released as collateral under the Company’s $140,000 loan facility with Credit Agricole Corporate and Investment Bank, Hamburg Commercial Bank AG, E.Sun Commercial Bank, Ltd, CTBC Bank Co. Ltd. and Taishin International Bank		the vessel was released as collateral
Two Vessel Group [Member]
Property, Plant and Equipment [Line Items]
Tangible Asset Impairment Charges											18,830
Property, Plant and Equipment, Net											43,830
Property, Plant, and Equipment, Fair Value Disclosure											$ 25,000
Fourth High Reefer ECO Vessels [Member]
Property, Plant and Equipment [Line Items]
Payments for Construction in Process										$ 6,850