Proceedings Under Chapter 11 - Narrative (Details)			3 Months Ended																12 Months Ended					49 Months Ended
	Jun. 02, 2011 defendant complaint	Dec. 08, 2008 subsidiary	Dec. 31, 2016 USD ($)		Sep. 30, 2016 USD ($)	[1]	Jun. 30, 2016 USD ($)	[1]	Mar. 31, 2016 USD ($)	[1]	Dec. 31, 2015 USD ($)		Sep. 30, 2015 USD ($)	[1]	Jun. 30, 2015 USD ($)	[1]	Mar. 29, 2015 USD ($)	[1]	Dec. 31, 2016 USD ($)		Dec. 31, 2015 USD ($)		Dec. 28, 2014 USD ($)	Dec. 31, 2012 USD ($) claim $ / shares	Mar. 01, 2017 claim	Aug. 12, 2016 case	Nov. 20, 2013 USD ($)	May 21, 2013 preference_action	Dec. 30, 2012 shares	Jul. 23, 2012	Dec. 20, 2007 USD ($) $ / shares
Reorganization [Line Items]
Bankruptcy Proceedings, Number of Subsidiaries Included in Bankruptcy Filing | subsidiary		110
Bankruptcy closed cases | case																										106
Restricted cash and cash equivalents			$ 17,566,000								$ 17,595,000								$ 17,566,000		$ 17,595,000
Bankruptcy Claims, Number Claims Filed | claim																								7,400
Shareholder Receipt on Tribune Company common stock in connection with Leveraged ESOP Transactions																											$ 50,000
Reorganization items, net			$ (188,000)	[1]	$ (434,000)		$ (366,000)		$ (434,000)		$ (105,000)	[1]	$ 188,000		$ (628,000)		$ (992,000)		(1,422,000)	[1]	(1,537,000)	[1]	$ (7,268,000)
Debtor Reorganization Items, Net Cash Outflows for Reorganization Costs																			$ 2,000,000		$ 3,000,000		$ 8,000,000
Subsequent Event
Reorganization [Line Items]
Bankruptcy Claims, Number Claims Withdrawn or Expunged | claim																									3,295
Bankruptcy Claims, Number of Claims Settled | claim																									3,755
Bankruptcy Claims, Number of Claims under Review by Management | claim																									403
Judicial Ruling
Reorganization [Line Items]
Bankruptcy Claims, Number Claims Filed | complaint	50
Bankruptcy Proceedings, Court Where Petition Was Filed	20
Loss Contingency, Number of Defendants | defendant	2,000
Loss Contingency, Number of Defendants that Held Stock that was Purchased or Redeemed via Leveraged ESOP Transactions | complaint	38,000
Leveraged Employee Stock Option Transactions
Reorganization [Line Items]
Bankruptcy Proceedings, Number of Preference Actions | preference_action																												18
Predecessor
Reorganization [Line Items]
Common stock par value (usd per share) | $ / shares																								$ 0.01							$ 0.01
Employee Stock Ownership Plan (ESOP), shares committed for release or allocation to employees | shares																													8,294,000
Predecessor | Subordinated Debt | Subordinate Promissory Note
Reorganization [Line Items]
Face amount of debt																								$ 225,000,000							$ 255,000,000
Debt instrument interest rate, percent																															4.64%
Predecessor | Notes Payable, Other Payables | Debentures at 6.61% due 2027
Reorganization [Line Items]
Debt instrument interest rate, percent																														6.61%
Predecessor | Notes Payable, Other Payables | Notes at 5.25% due 2015
Reorganization [Line Items]
Debt instrument interest rate, percent																														5.25%
Predecessor | Notes Payable, Other Payables | Debentures at 7.25% due 2013
Reorganization [Line Items]
Debt instrument interest rate, percent																														7.25%
Predecessor | Notes Payable, Other Payables | Debentures at 7.5% due 2023
Reorganization [Line Items]
Debt instrument interest rate, percent																														7.50%
Predecessor | Debentures Subject to Mandatory Redemption | Debentures at 7.25% due 2096
Reorganization [Line Items]
Debt instrument interest rate, percent																														7.25%
Predecessor | Medium-term Notes | Notes at 4.875% due 2010
Reorganization [Line Items]
Debt instrument interest rate, percent																														4.875%
Predecessor | Reorganization Adjustments
Reorganization [Line Items]
Fresh-start adjustment to retained earnings (deficit)																								37,000,000
Successor
Reorganization [Line Items]
Postconfirmation, restricted cash and cash equivalents																								$ 187,000,000

[1] See Note 3 to the Company’s consolidated financial statements for information pertaining to reorganization items recorded in 2016 and 2015.