Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net Income	$ 19,573	$ 79,955	$ 105,771	$ 153,934
Other comprehensive income, before tax:
Foreign currency translation adjustments	(273)	(471)	130	(457)
Recognition of previously deferred post-retirement benefit plan costs	1,604	1,437	3,102	2,862
Pension lump-sum payment charges	0	686	0	686
Other comprehensive income, before tax	1,331	1,652	3,232	3,091
Income tax effect related to components of other comprehensive income	(335)	(414)	(814)	(774)
Other comprehensive income, net of tax	996	1,238	2,418	2,317
Comprehensive income	20,569	81,193	108,189	156,251
Comprehensive loss attributable to redeemable noncontrolling interest	374	0	484	0
Comprehensive income attributable to TEGNA Inc.	$ 20,943	$ 81,193	$ 108,673	$ 156,251