v3.26.1
Organization and Business (Details) - segment
6 Months Ended
Jun. 30, 2026
May 29, 2026
May 28, 2026
Dec. 31, 2025
Business And Organization [Line Items]        
Number of reportable segments 3      
HC2 Broadcasting Holdings, Inc | Disposal Group, Held-for-Sale, Not Discontinued Operations | Spectrum Segment        
Business And Organization [Line Items]        
Disposal ownership, percentage   25.00%    
CONX | Disposal Group, Held-for-Sale, Not Discontinued Operations | Spectrum Segment        
Business And Organization [Line Items]        
Disposal ownership, percentage   75.00%    
MediBeacon Inc.        
Business And Organization [Line Items]        
Percentage of ownership (approximately) 44.60%      
Triple Ring        
Business And Organization [Line Items]        
Ownership percentage, fully diluted basis 1.60%      
Scaled Cell        
Business And Organization [Line Items]        
Percentage of ownership (approximately) 20.10%      
DBMG        
Business And Organization [Line Items]        
Controlling interest (approximately) 91.20%      
Genoval Orthopedics inc.        
Business And Organization [Line Items]        
Controlling interest (approximately) 80.00%      
R2 Technologies        
Business And Organization [Line Items]        
Controlling interest (approximately)       81.00%
HC2 Broadcasting Holdings, Inc        
Business And Organization [Line Items]        
Controlling interest (approximately) 100.00%     98.00%
Noncontrolling interest, ownership percentage by parent, fully diluted basis       85.80%
HC2 Broadcasting Holdings, Inc | Disposal Group, Held-for-Sale, Not Discontinued Operations | Spectrum Segment        
Business And Organization [Line Items]        
Disposal ownership, percentage   100.00% 98.00%  
Minority Holders        
Business And Organization [Line Items]        
Percentage of proxy and voting rights from minority holders 2.80%     2.80%
DTV America Corporation        
Business And Organization [Line Items]        
Controlling interest (approximately) 76.50%     69.20%