Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Income Tax Contingency [Line Items]
Income tax expense (benefit)	$ 3,461	$ 3,133	$ 8,346	$ 5,743
Deferred tax asset, valuation allowance	64,500		64,500		$ 62,900
Additional deferred tax asset, valuation allowance	100	$ 5,400	1,700
Deferred tax liabilities	13,600		13,600		14,900
Deferred income tax asset after valuation allowance	11,500		11,500		$ 9,900
Reporting Entities [Member]
Income Tax Contingency [Line Items]
Additional deferred tax asset, valuation allowance	1,400		3,000
IMAX China
Income Tax Contingency [Line Items]
Additional deferred tax asset, valuation allowance	$ 1,300		$ 1,300