Segment Information - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2023 Unit Station Segment	Mar. 31, 2022
Segment Reporting Information [Line Items]
Number of reportable segments | Segment	3
Number of business units | Unit	4
Percentage of revenue generated from outside the United States	80.00%	73.00%
Television
Segment Reporting Information [Line Items]
Number of stations owned	49
Audio
Segment Reporting Information [Line Items]
Number of stations owned	45