Condensed Consolidated Statements of Operations - Supplemental Information - Additional Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($) arrangement	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) arrangement	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)
Variable Interest Entity [Line Items]
Foreign currency net losses	$ 200	$ 300	$ 400	$ 800
Government assistance, benefits and reduction to expenses	100		4,000
Revenue	106,654	91,452	285,005	259,536
Revenue attributable to transactions arising between the company and its customers under IMAX film remastering and distribution arrangements	$ 41,900	26,700	$ 105,700	77,700
Number of significant co-produced film arrangement | arrangement	1		1
Total assets	$ 889,573		$ 889,573		$ 830,398
Total liabilities	$ 452,866		$ 452,866		452,183
Number of other co-produced film arrangements | arrangement	4		4
Co-produced film participation expenses	$ 200	200	$ 300	3,200
Selling, general and administrative expenses
Variable Interest Entity [Line Items]
Government assistance, benefits and reduction to expenses			2,700
Costs and expenses applicable to revenues
Variable Interest Entity [Line Items]
Government assistance, benefits and reduction to expenses			1,300
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Total assets	1,828		1,828		1,459
Total liabilities	360		360		$ 246
Joint Revenue Sharing Arrangement
Variable Interest Entity [Line Items]
Revenue	$ 23,000	$ 15,900	$ 60,900	$ 48,400