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Basis of Presentation and General Information and Recent Accounting Pronouncements (Policy) | 6 Months Ended
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Jun. 30, 2026
Basis of Presentation and General Information and Recent Accounting Pronouncements [Abstract] |
Principles of Consolidation | The accompanying unaudited interim consolidated financial statements include the accounts of Diana Shipping Inc., or DSI and its wholly owned subsidiaries (collectively, the “Company”). DSI was formed on March 8, 1999, as Diana Shipping Investment Corp. under the laws of the Republic of Liberia. In February 2005, the Company’s articles of incorporation were amended. Under the amended articles of incorporation, the Company was renamed Diana Shipping Inc. and was re-domiciled from the Republic of Liberia to the Republic of the Marshall Islands.
Basis of Accounting | The accompanying unaudited interim consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles, or U.S. GAAP, for interim financial information. Accordingly, they do not include all the information and notes required by U.S. GAAP for complete financial statements. These unaudited interim consolidated financial statements have been prepared on the same basis and should be read in conjunction with the financial statements for the year ended December 31, 2025 included in the Company’s Annual Report on Form 20-F filed with the Securities and Exchange Commission on March 13, 2026 and, in the opinion of management, reflect all normal recurring adjustments considered necessary for a fair presentation of the Company's financial position, results of operations and cash flows for the periods presented. Operating results for the six months ended June 30, 2026, are not necessarily indicative of the results that might be expected for the fiscal year ending December 31, 2026. The consolidated balance sheet as of December 31, 2025, has been derived from the audited consolidated financial statements as of that date, but does not include all information and footnotes required by U.S. GAAP for complete financial statements.
Nature of Operations | The Company is engaged in the ocean transportation of dry bulk cargoes worldwide mainly through the ownership and bareboat charter in of dry bulk carrier vessels. The Company operates its own fleet through Diana Shipping Services S.A. (or “DSS”), a wholly owned subsidiary and through Diana Wilhelmsen Management Limited, or DWM, a 50 % owned joint venture (Note 3(a)). The fees paid to DSS are eliminated on consolidation.
Segment reporting | The Company has determined that it operates under one reportable segment, that of operating dry bulk vessels, and the assets of such segment are presented under the caption Total assets in the accompanying unaudited interim condensed consolidated balance sheets. The segment's significant expenses regularly provided to chief operating decision maker (“CODM”) are the consolidated expenses as presented on the face of the unaudited interim condensed consolidated statements of income. The accounting policies applied to the reportable segment are the same as those used in the preparation of the Company's consolidated financial statements included in the Company's Annual Report on Form 20- F for the year ended December 31, 2025.

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- Definition The entire disclosure for the basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483426/235-10-50-4 + Details
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- Definition Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483426/235-10-50-4 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481203/810-10-50-1 + Details
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- Definition The entire disclosure for the nature of an entity's business, major products or services, principal markets including location, and the relative importance of its operations in each business and the basis for the determination, including but not limited to, assets, revenues, or earnings. For an entity that has not commenced principal operations, disclosures about the risks and uncertainties related to the activities in which the entity is currently engaged and an understanding of what those activities are being directed toward. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482836/275-10-55-4 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482836/275-10-55-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -SubTopic 10 -Topic 275 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-1 + Details
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- Definition The entire disclosure for reporting segments including data and tables. 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