Organization, Nature of Operations, and Principles of Consolidation - Additional Information (Detail) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) Channel Title	Sep. 30, 2024 USD ($)
Organization Nature Of Operations And Principles Of Consolidation [Line Items]
Number of channels | Channel			4
Percentage of produced and owned content views			75.00%
Revenue from discontinued operations | $	$ 0.2	$ 0.1	$ 0.6	$ 0.7
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]	true		true
Accounting Standards Update [Extensible Enumeration]			us-gaap:AccountingStandardsUpdate202307Member
Change in Accounting Principle, Accounting Standards Update, Adoption Date	Dec. 31, 2024		Dec. 31, 2024
Minimum [Member]
Organization Nature Of Operations And Principles Of Consolidation [Line Items]
Number of titles available in digital content library | Title			10,000
Percentage of digital streaming exclusively available for subscribers			90.00%