Cover - USD ($) | 12 Months Ended | | |
Dec. 31, 2023 | Mar. 06, 2024 | Jun. 30, 2023 |
Cover [Abstract] | | | |
Document Type | 10-K/A | | |
Amendment Flag | true | | |
Amendment Description | Overseas Shipholding Group, Inc. (the “Company”) is filing this Amendment No. 1 to Annual Report on Form 10-K (the “Amended 10-K”) to amend its Annual Report on Form 10-K for the fiscal year ended December 31, 2023, filed with the Securities and Exchange Commission (“SEC”) on March 11, 2024 (the “Original 10-K”). The sole purposes of this Amended 10-K are to remove Exhibit 10.3, to file Exhibit 97.1, and to make other minor changes to the exhibit index. Accordingly, this Amended 10-K consists solely of the cover page, this explanatory note, the exhibit index, and the exhibits filed herewith. | | |
Document Annual Report | true | | |
Document Transition Report | false | | |
Document Period End Date | Dec. 31, 2023 | | |
Document Fiscal Period Focus | FY | | |
Document Fiscal Year Focus | 2023 | | |
Current Fiscal Year End Date | --12-31 | | |
Entity File Number | 001-06479 | | |
Entity Registrant Name | OVERSEAS SHIPHOLDING GROUP, INC. | | |
Entity Central Index Key | 0000075208 | | |
Entity Tax Identification Number | 13-2637623 | | |
Entity Incorporation, State or Country Code | DE | | |
Entity Address, Address Line One | 302 Knights Run Avenue | | |
Entity Address, City or Town | Tampa | | |
Entity Address, State or Province | FL | | |
Entity Address, Postal Zip Code | 33602 | | |
City Area Code | 813 | | |
Local Phone Number | 209-0600 | | |
Title of 12(b) Security | Class A Common Stock (par value $0.01 per share) | | |
Trading Symbol | OSG | | |
Security Exchange Name | NYSE | | |
Entity Well-known Seasoned Issuer | No | | |
Entity Voluntary Filers | No | | |
Entity Current Reporting Status | Yes | | |
Entity Interactive Data Current | Yes | | |
Entity Filer Category | Accelerated Filer | | |
Entity Small Business | false | | |
Entity Emerging Growth Company | false | | |
Entity Shell Company | false | | |
Entity Public Float | | | $ 292,943,697 |
Entity Bankruptcy Proceedings, Reporting Current | true | | |
Entity Common Stock, Shares Outstanding | | 70,952,360 | |
Documents Incorporated By Reference | Portions of the registrant’s definitive proxy statement to be filed by the registrant in connection with its 2024 Annual Meeting of Stockholders are incorporated by reference in Part III. | | |
ICFR Auditor Attestation Flag | true | | |
Document Financial Statement Error Correction [Flag] | false | | |
Auditor Firm ID | 248 | | |
Auditor Name | GRANT THORNTON LLP | | |
Auditor Location | Tampa, Florida | | |