CONSOLIDATED STATEMENTS OF EQUITY AND REDEEMABLE NONCONTROLLING INTERESTS (Parenthetical)	3 Months Ended
	Mar. 31, 2023 $ / shares
Class A Common Stock
Dividends declared on Old Sinclair (in dollars per share)	$ 0.25
Dividends paid on Old Sinclair (in dollars per share)	0.25
Class B Common Stock
Dividends declared on Old Sinclair (in dollars per share)	0.25
Dividends paid on Old Sinclair (in dollars per share)	0.25
Sinclair Broadcast Group, LLC | Class A Common Stock
Dividends declared on Old Sinclair (in dollars per share)	0.25
Dividends paid on Old Sinclair (in dollars per share)	0.25
Sinclair Broadcast Group, LLC | Class B Common Stock
Dividends declared on Old Sinclair (in dollars per share)	0.25
Dividends paid on Old Sinclair (in dollars per share)	$ 0.25