Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Net Income (Loss)	$ 54,076	$ (18,687)	$ 279,697	$ (134,683)
Income from Discontinued Operations, net of taxes	0	0	0	15,039
Income (Loss) from Continuing Operations	54,076	(18,687)	279,697	(149,722)
Other Comprehensive Income (Loss) from Continuing Operations, net of taxes			10,950
Comprehensive Income (Loss)	57,965	(18,062)	290,647	(124,148)
Comprehensive loss attributable to noncontrolling interests	23	0	33	0
Comprehensive Income (Loss) Attributable to Tribune Media Company	57,988	(18,062)	290,680	(124,148)
Continuing Operations
Income (Loss) from Continuing Operations	54,076	(18,687)	279,697	(149,722)
Change in unrecognized benefit plan gains and losses arising during the period, net of taxes of $(1,327) and $(285) for the nine months ended September 30, 2018 and September 30, 2017, respectively	0	0	(3,827)	(442)
Adjustment for previously unrecognized benefit plan gains and losses included in net income, net of taxes of $(15) and $(26) for the three months ended September 30, 2018 and September 30, 2017, respectively, and $(44) and $(77) for the nine months ended September 30, 2018 and September 30, 2017, respectively	(41)	(40)	(124)	(120)
Change in unrecognized benefit plan gains and losses, net of taxes	(41)	(40)	(3,951)	(562)
Change in unrealized holding gains and losses arising during the period, net of taxes of $(60) for the nine months ended September 30, 2017	0	0	0	(95)
Adjustment for loss (gain) on investment sale included in net income, net of taxes of $40 and $(1,921) for the three and nine months ended September 30, 2017	0	62	0	(2,980)
Change in marketable securities, net of taxes	0	62	0	(3,075)
Unrealized gains and losses, net of taxes of $812 and $(497) for the three months ended September 30, 2018 and September 30, 2017, respectively, and $4,383 and $(3,950) for the nine months ended September 30, 2018 and September 30, 2017, respectively	2,342	(769)	12,639	(6,126)
Gains and losses reclassified to net income, net of taxes of $58 and $509 for the three months ended September 30, 2018 and September 30, 2017, respectively, and $384 and $1,638 for the nine months ended September 30, 2018 and September 30, 2017, respectively	167	789	1,108	2,540
Change in unrecognized gains and losses on cash flow hedging instruments, net of taxes	2,509	20	13,747	(3,586)
Change in foreign currency translation adjustments, net of taxes of $1,044 and $42 for the three months ended September 30, 2018 and September 30, 2017, respectively, and $1,102 and $2,752 for the nine months ended September 30, 2018 and September 30, 2017, respectively	1,421	583	1,154	5,987
Other Comprehensive Income (Loss) from Continuing Operations, net of taxes	3,889	625	10,950	(1,236)
Comprehensive Income (Loss)	57,965	(18,062)	290,647	(150,958)
Discontinued Operations
Comprehensive Income (Loss)	$ 0	$ 0	$ 0	$ 26,810