Related-Party Transactions - Summary of Related-Party Balances with Univision and Other Related Parties (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Related Party Transaction [Line Items]
Trade receivables	$ 235,837	$ 224,713
Other current assets	30,036	27,238
Intangible assets subject to amortization, net	51,784	61,811
Accounts payable	254,802	237,415
Direct operating expenses	128,470	122,611	$ 116,449
Amortization	28,007	25,697	22,420
TelevisaUnivision
Related Party Transaction [Line Items]
Trade receivables	10,051	5,814
Intangible assets subject to amortization, net	2,785	3,714
Accounts payable	953	1,097
Direct operating expenses	6,050	8,095	8,412
Amortization	928	928	1,228
Other
Related Party Transaction [Line Items]
Other current assets	274	274
Accounts payable	118	118
Related Parties
Related Party Transaction [Line Items]
Trade receivables	10,051	5,814
Other current assets	274	274
Intangible assets subject to amortization, net	2,785	3,714
Accounts payable	1,071	1,215
Direct operating expenses	6,050	8,095	8,412
Amortization	$ 928	$ 928	$ 1,228