Segment Information - Disaggregation of Revenue Generating Activities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Total operating revenues	$ 566,529	$ 612,101	$ 1,677,143	$ 1,772,274
Core advertising
Disaggregation of Revenue [Line Items]
Total operating revenues	346,037	371,064	1,061,868	1,152,860
Political
Disaggregation of Revenue [Line Items]
Total operating revenues	9,130	65,715	16,501	96,547
Distribution
Disaggregation of Revenue [Line Items]
Total operating revenues	203,859	167,250	571,320	497,012
Other
Disaggregation of Revenue [Line Items]
Total operating revenues	$ 7,503	$ 8,072	$ 27,454	$ 25,855