RELATED PERSON TRANSACTIONS - Cunningham Broadcasting Corporation (Details) $ in Millions	1 Months Ended		3 Months Ended
	Aug. 31, 2016 USD ($)	Apr. 30, 2016 USD ($)	Mar. 31, 2023 USD ($) renewal	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Related Party Transaction [Line Items]
Total revenues			$ 773.0	$ 1,288.0
Affiliated Entity | Cunningham
Related Party Transaction [Line Items]
Agreement renewal period			8 years
Right to acquire capital stock			100.00%
Total payments made under the LMA excluded from liabilities			$ 62.0		$ 61.0
Remaining purchase price			54.0		$ 54.0
Purchase options, broadcast stations			$ 0.2
Proceeds from sale of master control equipment		$ 1.0
Annual revenue from master control services		$ 0.3
Annual revenue for share service	$ 0.6
Share service agreement, annual service consideration increasing rate ( as a percent)	3.00%
Affiliated Entity | Cunningham | LMA
Related Party Transaction [Line Items]
Number of additional renewal terms | renewal			1
Agreement renewal period			5 years
Percentage of net broadcast revenue used to determine annual LMA fees required to be paid			3.00%
Amount used to determine annual LMA fees required to be paid			$ 6.0
Annual increase in aggregate purchase price			6.00%
Amount paid			$ 3.0	3.0
Affiliated Entity | Cunningham | Multi-Cast Agreements
Related Party Transaction [Line Items]
Amount paid			0.5	0.2
Cunningham License Related Assets | Cunningham
Related Party Transaction [Line Items]
Total revenues			$ 36.0	$ 34.0