Segment Information - Narrative (Details)	Mar. 31, 2022 station lowPowerStation affiliate
Segment Reporting Information [Line Items]
Number of national television networks | station	9
Local Media
Segment Reporting Information [Line Items]
Number of local broadcast stations | station	61
Number of low power stations operated | lowPowerStation	10
Local Media | ABC affiliates
Segment Reporting Information [Line Items]
Number of affiliates	18
Local Media | NBC affiliates
Segment Reporting Information [Line Items]
Number of affiliates	11
Local Media | CBS affiliates
Segment Reporting Information [Line Items]
Number of affiliates	9
Local Media | FOX affiliates
Segment Reporting Information [Line Items]
Number of affiliates	4
Local Media | CW affiliates
Segment Reporting Information [Line Items]
Number of affiliates	12
Number of full power stations | station	4
Number of multicast | station	8
Local Media | Independent stations
Segment Reporting Information [Line Items]
Number of affiliates	5