Financial Instruments - Additional Information (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2025 USD ($) country	Dec. 31, 2024 USD ($)
Debt and Equity Securities, FV-NI [Line Items]
Cash and cash equivalents	$ 143,106	$ 100,592
Cash held outside of Canada	$ 129,800	85,400
Number of countries that generate box office | country	89
Estimated gain to be reclassified in the next twelve months	$ 300
China
Debt and Equity Securities, FV-NI [Line Items]
Cash held/undistributed earnings	$ 85,800	$ 47,500