NOTES PAYABLE AND COMMERCIAL BANK FINANCING - Debt of Variable Interest Entities and Guarantees of Third-party Debt (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Feb. 07, 2023	Dec. 31, 2022
Interest Rate Swap
Debt Instrument [Line Items]
Notional amount		$ 600,000,000
Fixed interest rate		3.90%
Derivative asset	$ 1,000,000
Interest Rate Swap | Sinclair Broadcast Group, LLC
Debt Instrument [Line Items]
Notional amount		$ 600,000,000
Fixed interest rate		3.90%
Derivative asset	1,000,000
Guarantee Obligations
Debt Instrument [Line Items]
Unconditional and irrevocably guaranteed debt	2,000,000		$ 2,000,000
Provide guarantee of certain obligations	$ 117,000,000
Annual escalations (as a percent)	4.00%
Debt term	5 years
Guarantee Obligations | Sinclair Broadcast Group, LLC
Debt Instrument [Line Items]
Unconditional and irrevocably guaranteed debt	$ 2,000,000		$ 2,000,000
Provide guarantee of certain obligations	$ 117,000,000
Annual escalations (as a percent)	4.00%
Debt term	5 years