Nature of Business - Additional Information (Detail)	12 Months Ended
Dec. 31, 2023 Segment Country Station Unit
Segment Reporting Information [Line Items]
Number of reportable segments \| Segment	3
Number of business units \| Unit	3
Sales Operations in Number of Countries \| Country	31
Television
Segment Reporting Information [Line Items]
Number of stations owned	49
Radio
Segment Reporting Information [Line Items]
Number of stations owned	44

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-18

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration