Segment Information - Narrative (Details) - Television - US	12 Months Ended
	Jun. 30, 2022 tvStation duopoly
Segment Reporting Information [Line Items]
Full power broadcast television stations	29
Duopolies | duopoly	11
MyNetworkTV
Segment Reporting Information [Line Items]
Full power broadcast television stations	10
Independent Station
Segment Reporting Information [Line Items]
Full power broadcast television stations	1