| Cover | Jan. 20, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jan. 20, 2022 |
| Entity File Number | 001-34355 |
| Entity Registrant Name | IDW Media Holdings, Inc. |
| Entity Central Index Key | 0001463833 |
| Entity Tax Identification Number | 26-4831346 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 520 Broad Street |
| Entity Address, City or Town | Newark |
| Entity Address, State or Province | NJ |
| Entity Address, Postal Zip Code | 07102 |
| City Area Code | 973 |
| Local Phone Number | 438-3385 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Class B common stock, par value $0.01 per share |
| Trading Symbol | IDW |
| Security Exchange Name | NYSEAMER |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
