| Cover Page - USD ($) | 12 Months Ended | ||
| Dec. 27, 2020 | Apr. 20, 2021 | Jun. 28, 2020 | |
| Cover [Abstract] | |||
| Document Type | 10-K/A | ||
| Document Annual Report | true | ||
| Document Period End Date | Dec. 27, 2020 | ||
| Current Fiscal Year End Date | --12-27 | ||
| Document Transition Report | false | ||
| Entity File Number | 001-36230 | ||
| Entity Registrant Name | TRIBUNE PUBLISHING COMPANY | ||
| Entity Incorporation, State or Country Code | DE | ||
| Entity Tax Identification Number | 38-3919441 | ||
| Entity Address, Address Line One | 560 W. Grand Avenue | ||
| Entity Address, City or Town | Chicago | ||
| Entity Address, State or Province | IL | ||
| Entity Address, Postal Zip Code | 60654 | ||
| City Area Code | (312) | ||
| Local Phone Number | 222-9100 | ||
| Title of 12(b) Security | Common Stock, par value $.01 per share | ||
| Trading Symbol | TPCO | ||
| 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 | Accelerated Filer | ||
| Entity Small Business | false | ||
| Entity Emerging Growth Company | false | ||
| ICFR Auditor Attestation Flag | true | ||
| Entity Shell Company | false | ||
| Entity Public Float | $ 153,739,291 | ||
| Entity Common Stock, Shares Outstanding | 36,874,348 | ||
| Entity Central Index Key | 0001593195 | ||
| Document Fiscal Year Focus | 2020 | ||
| Document Fiscal Period Focus | FY | ||
| Amendment Flag | true | ||
| Amendment Description | The Company has determined that it will not file its definitive proxy statement within 120 days following the last day of its last fiscal year. Therefore, the Company is providing Items 10, 11, 12, 13 and 14 of Part III in this Form 10-K/A filing. This Form 10-K/A hereby amends and restates in their entirety the Form 10-K cover page and Items 10 through 14 of Part III. |
