Organization and Business	9 Months Ended
Organization and Business	Sep. 30, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization and Business	1. Organization and Business INNOVATE Corp. ("INNOVATE" and, together with its consolidated subsidiaries, the "Company", "we" and "our") is a diversified holding company that has a portfolio of subsidiaries in a variety of operating segments. The Company seeks to grow these businesses so that they can generate long-term sustainable free cash flow and attractive returns in order to maximize value for all stakeholders. While the Company generally intends to acquire controlling equity interests in its operating subsidiaries, the Company may invest to a limited extent in a variety of non-controlling equity interest positions or debt instruments. The Company’s shares of common stock trade on the New York Stock Exchange ("NYSE") under the symbol "VATE". The Company currently has three reportable segments, plus the Company's Other segment, based on management’s organization of the enterprise: Infrastructure, Life Sciences, Spectrum, and Other which includes businesses that do not meet the separately reportable segment thresholds. 1.The Company's Infrastructure segment is comprised of DBM Global Inc. ("DBMG") and its wholly-owned subsidiaries. DBMG is a fully integrated industrial construction, structural steel and facility maintenance provider that provides fabrication and erection of structural steel and heavy steel plate services and also fabricates trusses and girders and specializes in the fabrication and erection of large-diameter water pipe and water storage tanks, as well as 3-D Building Information Modeling (“BIM”) and detailing. DBMG provides these services on commercial, industrial, and infrastructure construction projects such as high- and low-rise buildings and office complexes, hotels and casinos, convention centers, sports arenas and stadiums, shopping malls, hospitals, dams, bridges, mines, metal processing, refineries, pulp and paper mills and power plants. Through GrayWolf Industrial Inc. ("GrayWolf"), DBMG provides integrated solutions for digital engineering, modeling and detailing, construction, heavy equipment installation and facility services including maintenance, repair, and installation to a diverse range of end markets. Through Aitken Manufacturing, Inc., DBMG manufactures pollution control scrubbers, tunnel liners, pressure vessels, strainers, filters, separators and a variety of customized products. Through Banker Steel, a division of Schuff Steel Company, DBMG provides full-service fabricated structural steel and erection services primarily for the U.S. East Coast and Southeast commercial and industrial construction markets, in addition to full design-assist services. The Company maintains a 91.2% controlling interest in DBMG. 2.The Company's Life Sciences segment is comprised of Pansend Life Sciences, LLC ("Pansend"), its subsidiaries and its equity investments. Pansend maintains a controlling interest of 80.0% in Genovel Orthopedics, Inc. ("Genovel"), which seeks to develop products to treat early osteoarthritis of the knee, and also has a controlling interest of 81.0% (81.4% as of December 31, 2024) in R2 Technologies, Inc. ("R2 Technologies"), which develops aesthetic and medical technologies for the skin. Pansend also invests in other early stage or developmental stage healthcare companies and, as of September 30, 2025, had a 44.7% interest (45.9% as of December 31, 2024) in MediBeacon Inc. ("MediBeacon"), a medical technology company specializing in the advances of fluorescent tracer agents and transdermal measurement, potentially enabling real-time, direct monitoring of kidney function, and maintained a 1.6% fully diluted interest in Triple Ring Technologies, Inc. ("Triple Ring"), a science and technology co-development company, and maintained a 20.1% interest in Scaled Cell Solutions, Inc. ("Scaled Cell"), an immunotherapy company developing a novel autologous cell therapy system to potentially improve current CAR-T treatments. 3.The Company's Spectrum segment is comprised of HC2 Broadcasting Holdings Inc. ("Broadcasting" or "HC2B) and its subsidiaries. Broadcasting strategically acquires and operates over-the-air broadcasting stations across the United States. The Company maintains a 98.0% controlling interest in Broadcasting and maintains a controlling interest of approximately 69.2%, inclusive of 2.8% proxy rights from minority holders of DTV America Corporation ("DTV"). On a fully diluted basis, the Company would have an 85.8% controlling interest in Broadcasting. 4.The Company's Other segment represents all other businesses or investments that do not meet the definition of a segment individually or in the aggregate. The Other segment primarily includes legacy businesses or holding companies such as the holding company of the Company's former Marine Services segment, Global Marine Holdings, LLC ("GMH") in which the Company had a 72.8% controlling interest until its dissolution on December 13, 2024, and TIC Holdco, Inc. ("TIC"), which was dissolved on May 23, 2024.