Cover Page Cover Page
Jan. 13, 2022
Cover [Abstract]  
Document Type 8-K
Document Period End Date Jan. 13, 2022
Entity Registrant Name SINCLAIR BROADCAST GROUP, INC.
Entity Incorporation, State or Country Code MD
Entity File Number 000-26076
Entity Tax Identification Number 52-1494660
Entity Address, Address Line One 10706 Beaver Dam Road
Entity Address, City or Town Hunt Valley
Entity Address, State or Province MD
Entity Address, Postal Zip Code 21030
City Area Code 410
Local Phone Number 568-1500
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Title of 12(b) Security Class A Common Stock, par value $ 0.01 per share
Trading Symbol SBGI
Security Exchange Name NASDAQ
Amendment Flag false
Entity Central Index Key 0000912752