v3.21.1

Cover Page - USD ($)	12 Months Ended
Cover Page - USD ($)	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.

Description of changes contained within amended document.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form 10-K
-Number 249
-Section 310

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Form 20-F
-Number 249
-Section 220
-Subsection f

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-Number 249
-Section 240
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The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

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A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.

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Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

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Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.

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Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).

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The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.

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The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

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Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.

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Local phone number for entity.

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Title of a 12(b) registered security.

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Tribune Publishing Co 10-K/A