COMMITMENTS AND CONTINGENCIES - Changes in the Rules on Television Ownership (Details) - station		12 Months Ended
	Jul. 29, 2016	Dec. 31, 2019	Sep. 06, 2016
Loss Contingencies [Line Items]
Loss contingency period for ongoing compliance monitoring	36 months
FCC nation ownership cap, % of domestic households reached			39.00%
Number of television stations owned		191
FCC Consent Decree Settlement
Loss Contingencies [Line Items]
Number of television stations owned			34
Loss contingency, % of domestic households reached, UHR discount applied			25.00%
LMA
Loss Contingencies [Line Items]
Number of separately owned television stations having programming agreement		2
Number of stations that programs substantial portions of the broadcast day and sells advertising time to programming segments		1