| Document and Entity Information | Sep. 25, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K/A |
| Amendment Flag | false |
| Document Period End Date | Sep. 25, 2024 |
| Entity File Number | 001-39029 |
| Entity Registrant Name | Mediaco Holding Inc. |
| Entity Central Index Key | 0001784254 |
| Entity Incorporation, State or Country Code | IN |
| Entity Tax Identification Number | 84-2427771 |
| Entity Address, Address Line One | 48 WEST 25TH STREET, THIRD FLOOR |
| Entity Address, City or Town | NEW YORK |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 10010 |
| City Area Code | 212 |
| Local Phone Number | 229-9797 |
| Title of 12(b) Security | Class A Common Stock, par value $0.01 per share |
| Trading Symbol | MDIA |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
