SUBSEQUENT EVENTS (Details) - USD ($)		1 Months Ended	12 Months Ended
	Feb. 12, 2025	Feb. 26, 2025	Dec. 31, 2024	Dec. 31, 2023	Jan. 27, 2025
Line of credit
Subsequent Event [Line Items]
Basis spread on variable rate (as a percent)			2.00%
Line of credit | Subsequent Event | Revolving Credit Facility | Debt Covenant Period One
Subsequent Event [Line Items]
Maximum borrowing capacity		$ 575,000,000
First-Out First Lien Secured Notes due 2033 | Notes | Subsequent Event
Subsequent Event [Line Items]
Interest rate (as a percent)		8.125%
Aggregate principal amount		$ 1,430,000,000
Term Loan B-3 | Term Loan
Subsequent Event [Line Items]
Basis spread on variable rate (as a percent)			3.00%
Term Loan B-3 | Term Loan | Subsequent Event
Subsequent Event [Line Items]
Aggregate principal amount		$ 711,400,000
Term Loan B-6 | Term Loan | Subsequent Event
Subsequent Event [Line Items]
Basis spread on variable rate (as a percent)		3.30%
Term Loan B-4 | Term Loan
Subsequent Event [Line Items]
Basis spread on variable rate (as a percent)			3.75%
Term Loan B-4 | Term Loan | Subsequent Event
Subsequent Event [Line Items]
Aggregate principal amount		$ 731,300,000
Term Loan B-7 | Term Loan | Subsequent Event
Subsequent Event [Line Items]
Basis spread on variable rate (as a percent)		4.10%
First-Out First Lien Revolving Credit Facility | Line of credit | Subsequent Event | Revolving Credit Facility
Subsequent Event [Line Items]
Basis spread on variable rate (as a percent)		2.00%
Required prepayment, first lien leverage ratio		3.5
Percent of borrowings exceeding total commitments		35.00%
4.125% Senior Secured Notes, due December 1, 2030 | Notes
Subsequent Event [Line Items]
Interest rate (as a percent)			4.13%	4.125%
4.125% Senior Secured Notes, due December 1, 2030 | Notes | Subsequent Event
Subsequent Event [Line Items]
Interest rate (as a percent)		4.125%			4.125%
Aggregate principal amount		$ 63,600,000
Percentage of principal amount redeemed		84.00%
4.125% Senior Secured Notes, due December 1, 2030 | Notes | Subsequent Event | Debt Covenant Period Two
Subsequent Event [Line Items]
Aggregate principal amount		$ 432,000,000
4.125% Senior Secured Notes, due December 1, 2030 | Notes | Subsequent Event | Debt Covenant Period Three
Subsequent Event [Line Items]
Aggregate principal amount		$ 242,000,000
Senior Secured Second Lien Notes due 2033 | Notes | Subsequent Event
Subsequent Event [Line Items]
Interest rate (as a percent)		9.75%
Second-Out First Lien Secured Notes due 2032 | Notes | Subsequent Event
Subsequent Event [Line Items]
Interest rate (as a percent)		4.375%
Term Loan B-2 | Term Loan
Subsequent Event [Line Items]
Repayments of secured debt			$ 25,000,000	$ 26,000,000
Basis spread on variable rate (as a percent)			2.50%
Term Loan B-2 | Term Loan | Subsequent Event
Subsequent Event [Line Items]
Repayments of secured debt		$ 1,175,000,000
5.125% Senior Notes due 2027 | Notes
Subsequent Event [Line Items]
Interest rate (as a percent)			5.13%	5.125%
5.125% Senior Notes due 2027 | Notes | Subsequent Event
Subsequent Event [Line Items]
Interest rate (as a percent)		5.125%
Aggregate principal amount		$ 104,000,000
Percentage of principal amount redeemed		97.00%
Third Lien Obligations | Term Loan | Subsequent Event
Subsequent Event [Line Items]
Aggregate principal amount		$ 2,700,000
Third Lien Obligations | Line of credit | Subsequent Event | Revolving Credit Facility
Subsequent Event [Line Items]
Aggregate principal amount		75,000,000
Sinclair Broadcast Group, LLC | Line of credit
Subsequent Event [Line Items]
Basis spread on variable rate (as a percent)			2.00%
Sinclair Broadcast Group, LLC | Line of credit | Subsequent Event | Revolving Credit Facility | Debt Covenant Period One
Subsequent Event [Line Items]
Maximum borrowing capacity		$ 575,000,000
Sinclair Broadcast Group, LLC | First-Out First Lien Secured Notes due 2033 | Notes | Subsequent Event
Subsequent Event [Line Items]
Interest rate (as a percent)		8.125%
Aggregate principal amount		$ 1,430,000,000
Sinclair Broadcast Group, LLC | Term Loan B-3 | Term Loan
Subsequent Event [Line Items]
Basis spread on variable rate (as a percent)			3.00%
Sinclair Broadcast Group, LLC | Term Loan B-3 | Term Loan | Subsequent Event
Subsequent Event [Line Items]
Aggregate principal amount		$ 711,400,000
Sinclair Broadcast Group, LLC | Term Loan B-6 | Term Loan | Subsequent Event
Subsequent Event [Line Items]
Basis spread on variable rate (as a percent)		3.30%
Sinclair Broadcast Group, LLC | Term Loan B-4 | Term Loan
Subsequent Event [Line Items]
Basis spread on variable rate (as a percent)			3.75%
Sinclair Broadcast Group, LLC | Term Loan B-4 | Term Loan | Subsequent Event
Subsequent Event [Line Items]
Aggregate principal amount		$ 731,300,000
Sinclair Broadcast Group, LLC | Term Loan B-7 | Term Loan | Subsequent Event
Subsequent Event [Line Items]
Basis spread on variable rate (as a percent)		4.10%
Sinclair Broadcast Group, LLC | First-Out First Lien Revolving Credit Facility | Line of credit | Subsequent Event | Revolving Credit Facility
Subsequent Event [Line Items]
Basis spread on variable rate (as a percent)		2.00%
Required prepayment, first lien leverage ratio	3.5
Percent of borrowings exceeding total commitments	35.00%
Sinclair Broadcast Group, LLC | 4.125% Senior Secured Notes, due December 1, 2030 | Notes
Subsequent Event [Line Items]
Interest rate (as a percent)			4.125%
Sinclair Broadcast Group, LLC | 4.125% Senior Secured Notes, due December 1, 2030 | Notes | Subsequent Event
Subsequent Event [Line Items]
Interest rate (as a percent)	4.125%	4.125%			4.125%
Aggregate principal amount	$ 63,600,000
Percentage of principal amount redeemed	84.00%
Sinclair Broadcast Group, LLC | 4.125% Senior Secured Notes, due December 1, 2030 | Notes | Subsequent Event | Debt Covenant Period Two
Subsequent Event [Line Items]
Aggregate principal amount		$ 432,000,000
Sinclair Broadcast Group, LLC | 4.125% Senior Secured Notes, due December 1, 2030 | Notes | Subsequent Event | Debt Covenant Period Three
Subsequent Event [Line Items]
Aggregate principal amount		$ 242,000,000
Sinclair Broadcast Group, LLC | Senior Secured Second Lien Notes due 2033 | Notes | Subsequent Event
Subsequent Event [Line Items]
Interest rate (as a percent)		9.75%
Sinclair Broadcast Group, LLC | Second-Out First Lien Secured Notes due 2032 | Notes | Subsequent Event
Subsequent Event [Line Items]
Interest rate (as a percent)		4.375%
Sinclair Broadcast Group, LLC | Term Loan B-2 | Term Loan
Subsequent Event [Line Items]
Repayments of secured debt			$ 25,000,000	$ 26,000,000
Basis spread on variable rate (as a percent)			2.50%
Sinclair Broadcast Group, LLC | Term Loan B-2 | Term Loan | Subsequent Event
Subsequent Event [Line Items]
Repayments of secured debt	$ 1,175,000,000
Sinclair Broadcast Group, LLC | 5.125% Senior Notes due 2027 | Notes
Subsequent Event [Line Items]
Interest rate (as a percent)			5.125%
Sinclair Broadcast Group, LLC | 5.125% Senior Notes due 2027 | Notes | Subsequent Event
Subsequent Event [Line Items]
Interest rate (as a percent)	5.125%
Aggregate principal amount	$ 104,000,000
Percentage of principal amount redeemed	97.00%
Sinclair Broadcast Group, LLC | Third Lien Obligations | Term Loan | Subsequent Event
Subsequent Event [Line Items]
Aggregate principal amount	$ 2,700,000
Sinclair Broadcast Group, LLC | Third Lien Obligations | Line of credit | Subsequent Event | Revolving Credit Facility
Subsequent Event [Line Items]
Aggregate principal amount	$ 75,000,000