RELATED PERSON TRANSACTIONS - Transactions With SBG's Indirect Controlling Shareholders (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Related Party Transaction [Line Items]
Revenue	$ 773.0	$ 917.0	$ 2,333.0	$ 2,544.0
Charter Aircraft
Related Party Transaction [Line Items]
Amounts of transaction		0.1	0.2	0.1
Related Party
Related Party Transaction [Line Items]
Lease payments	2.0	2.0	5.0	5.0
Related Party | The Baltimore Sun
Related Party Transaction [Line Items]
Revenue	0.6		0.9
Sinclair Broadcast Group, LLC
Related Party Transaction [Line Items]
Revenue	667.0	845.0	2,040.0	2,322.0
Sinclair Broadcast Group, LLC | Charter Aircraft
Related Party Transaction [Line Items]
Amounts of transaction		0.1	0.2	0.1
Sinclair Broadcast Group, LLC | Related Party
Related Party Transaction [Line Items]
Lease payments	2.0	$ 2.0	5.0	$ 5.0
Sinclair Broadcast Group, LLC | Related Party | The Baltimore Sun
Related Party Transaction [Line Items]
Revenue	$ 0.3		$ 0.3