CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Net Income	$ 147,188	$ 96,254	$ 418,479	$ 400,351
Recognition of previously deferred post-retirement benefit plan costs	1,498	1,388	4,493	4,165
Income tax effect related to components of other comprehensive income	(386)	(356)	(1,160)	(1,067)
Other comprehensive income, net of tax	1,112	1,032	3,333	3,098
Comprehensive income	148,300	97,286	421,812	403,449
Comprehensive loss attributable to redeemable noncontrolling interest	260	(71)	673	240
Comprehensive income attributable to TEGNA Inc.	$ 148,560	$ 97,215	$ 422,485	$ 403,689