Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net Income	$ 131,940	$ 106,854	$ 266,227	$ 219,686
Other comprehensive income, before tax:
Foreign currency translation adjustments	0	255	142	751
Recognition of previously deferred post-retirement benefit plan costs	1,085	1,353	2,061	2,578
Realized gain on available-for-sale investment during the period	0	0	(20,800)	0
Other comprehensive income (loss), before tax	1,085	1,608	(18,597)	3,329
Income tax effect related to components of other comprehensive income	(279)	(414)	4,785	(857)
Other comprehensive income (loss), net of tax	806	1,194	(13,812)	2,472
Comprehensive income	132,746	108,048	252,415	222,158
Comprehensive income attributable to redeemable noncontrolling interest	(371)	(227)	(424)	(442)
Comprehensive income attributable to TEGNA Inc.	$ 132,375	$ 107,821	$ 251,991	$ 221,716