Segment Information - Additional Information (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2022 Unit	Jun. 30, 2021	Jun. 30, 2022 Unit Segment Station Country	Jun. 30, 2021
Segment Reporting Information [Line Items]
Number of reportable segments | Segment			3
Number of business units | Unit	4		4
Percentage of revenue generated from outside the United States	73.00%	70.00%	73.00%	67.00%
Digital | Minimum
Segment Reporting Information [Line Items]
Number of countries in operation | Country			30
Television
Segment Reporting Information [Line Items]
Number of stations owned			49
Audio
Segment Reporting Information [Line Items]
Number of stations owned			45