CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 599,043	$ 476,347	$ 631,198
Other comprehensive income, before tax:
Foreign currency translation adjustments	0	0	142
Recognition of previously deferred post-retirement benefit plan costs	6,031	5,590	4,158
Actuarial gain (loss) arising during the period	1,108	2,387	(21,892)
Pension settlement charge	10,316	0	300
Pension and other postretirement benefit items	17,455	7,977	(17,434)
Realized gain on available-for-sale investment during the period	0	0	(20,800)
Recognition of previously deferred post-retirement benefit plan costs	17,455	7,977	(38,092)
Income tax effect related to components of other comprehensive income	(4,489)	(2,054)	9,775
Other comprehensive income (loss), net of tax	12,966	5,923	(28,317)
Comprehensive income	612,009	482,270	602,881
Comprehensive loss (gain) attributable to redeemable noncontrolling interest	775	377	(729)
Comprehensive income attributable to TEGNA Inc.	$ 612,784	$ 482,647	$ 602,152