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Related-Party Transactions - Additional Information (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($) Market Agreement shares	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Related Party Transaction [Line Items]
Number of Class A common stock shares converted | shares	1
Retransmission consent revenue	$ 33.9	$ 36.6	$ 36.0
Fees paid for carriage of programming	$ 0.0
LATV
Related Party Transaction [Line Items]
Stock ownership percentage	15.00%
TelevisaUnivision
Related Party Transaction [Line Items]
Number of marketing and sales agreements | Agreement	2
Number of markets involved in sales and marketing | Market	3
Common stock percentage held by Univision	10.00%
Retransmission consent revenue	$ 23.8	25.5	$ 24.9
Accounts receivable from third parties	$ 0.2	$ 0.3
UniMas
Related Party Transaction [Line Items]
Affiliate advertising minutes per hour for which entity has right to sell	4 minutes 30 seconds
Minimum | TelevisaUnivision
Related Party Transaction [Line Items]
Affiliate advertising minutes per hour for which entity has right to sell	4 minutes

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- Definition

Accounts receivable from third parties under joint sales agreement with related party.

+ References

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- Definition

Affiliate advertising minutes per hour for which entity has right to sell.

+ References

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- Definition

Carriage cost.

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- Definition

Company common stock owned by related party on fully converted basis.

+ References

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- Definition

Conversion between classes of common stock number of shares converted per share.

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- Definition

Number of marketing and sales agreements.

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- Definition

Number of markets involved in sales and marketing.

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- Definition

Ownership percentage held.

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- Definition

Retransmission consent revenue.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(i))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(ii))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(g)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

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