RELATED PERSON TRANSACTIONS - Transactions With SBG's Indirect Controlling Shareholders (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Related person transactions
Financing cash flows from finance leases	$ 7.0	$ 6.0	$ 5.0
Finance leases payable related to the aforementioned relationships	32.0
Finance lease payable, interest	5.0
Related Party
Related person transactions
Financing cash flows from finance leases	6.0	6.0	5.0
Finance leases payable related to the aforementioned relationships	7.0	9.0
Finance lease payable, interest	1.0	1.0
Charter Aircraft
Related person transactions
Amounts of transaction	0.2	0.4	1.0
Sinclair Broadcast Group, LLC
Related person transactions
Financing cash flows from finance leases	7.0	6.0	5.0
Finance leases payable related to the aforementioned relationships	32.0
Finance lease payable, interest	5.0
Sinclair Broadcast Group, LLC \| Related Party
Related person transactions
Financing cash flows from finance leases	6.0	6.0	5.0
Finance leases payable related to the aforementioned relationships	7.0	9.0
Finance lease payable, interest	1.0	1.0
Sinclair Broadcast Group, LLC \| Charter Aircraft
Related person transactions
Amounts of transaction	$ 0.2	$ 0.4	$ 1.0

Amount of lessee's undiscounted obligation for lease payments for finance lease.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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