XML 11 R1.htm IDEA: XBRL DOCUMENT v3.26.1
Cover - USD ($)
 12 Months Ended
Dec. 31, 2025
Mar. 31, 2026
Jun. 30, 2025
Document Information [Line Items]      
Document Type 10-K/A    
Document Annual Report true    
Current Fiscal Year End Date --12-31    
Document Period End Date Dec. 31, 2025    
Document Transition Report false    
Entity File Number 001-39029    
Entity Registrant Name MEDIACO HOLDING INC.    
Entity Incorporation, State or Country Code IN    
Entity Tax Identification Number 84-2427771    
Entity Address, Address Line One 48 W 25th Street    
Entity Address, Address Line Two 3rd Floor    
Entity Address, City or Town New York    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 10011    
City Area Code 212    
Local Phone Number 447-1000    
Title of 12(b) Security Class A common stock, $0.01 par value    
Trading Symbol MDIA    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Ex Transition Period false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 13,980,999
Documents Incorporated by Reference
None in this Amendment No. 1 on Form 10-K/A.
    
Entity Central Index Key 0001784254    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Amendment Flag false    
Common Class A      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   76,318,634  
Common Class B      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   5,413,197  
Common Class C      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   0