Nature of Business, Interim Financial Data and Basis of Presentation - Narrative (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Jun. 30, 2023 USD ($)	Sep. 30, 2023 USD ($) station segment market	Sep. 30, 2022 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of owned-and-operated stations		403
Number of markets | market		85
Number of affiliate stations		9,400
Number of reportable segments | segment		1
Impairment charge | $	$ 9,100	$ 9,050	$ 0