CONSOLIDATED STATEMENTS OF MEMBER'S EQUITY (DEFICIT) AND REDEEMABLE NONCONTROLLING INTERESTS (Parenthetical)	9 Months Ended
	Sep. 30, 2023 $ / shares
Class A Common Stock
Dividends declared on Old Sinclair Class A and Class B Common Stock (in dollars per share)	$ 0.75
Dividends paid on Old Sinclair Class A and Class B Common Stock (in dollars per share)	0.75
Class B Common Stock
Dividends declared on Old Sinclair Class A and Class B Common Stock (in dollars per share)	0.75
Dividends paid on Old Sinclair Class A and Class B Common Stock (in dollars per share)	0.75
Sinclair Broadcast Group, LLC | Class A Common Stock
Dividends declared on Old Sinclair Class A and Class B Common Stock (in dollars per share)	0.25
Dividends paid on Old Sinclair Class A and Class B Common Stock (in dollars per share)	0.25
Sinclair Broadcast Group, LLC | Class B Common Stock
Dividends declared on Old Sinclair Class A and Class B Common Stock (in dollars per share)	0.25
Dividends paid on Old Sinclair Class A and Class B Common Stock (in dollars per share)	$ 0.25