Borrowings - Additional Information (Details) ¥ in Millions				3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($)	Jul. 14, 2025 USD ($)	Mar. 25, 2022 USD ($)	Sep. 30, 2025 USD ($) shares	Sep. 30, 2024 shares	Sep. 30, 2025 USD ($) shares	Sep. 30, 2024 shares	Sep. 30, 2025 CNY (¥)	Dec. 31, 2024 USD ($)	Dec. 31, 2024 CNY (¥)	Jun. 30, 2022 USD ($)	Jun. 30, 2022 CNY (¥)	Mar. 19, 2021 USD ($)
Debt Instrument [Line Items]
Debt instrument, maturity date automatically to be modified if exceeds		$ 100,000,000
Current borrowing capacity			$ 375,000,000
Line of credit facility, accordion feature, increase limit			$ 140,000,000
Letters of guarantee outstanding								¥ 1.0	$ 100,000
Shares repurchased (in shares) | shares				0	0	0	1,166,370
IMAX China
Debt Instrument [Line Items]
Shares repurchased (in shares) | shares				0	0	1,495,900	119,900
Bank of China Facility
Debt Instrument [Line Items]
Borrowings outstanding	$ 0			$ 0		$ 0			0
Effective interest rate				0.00%	0.00%	0.00%	0.00%
Remaining borrowing capacity	26,700,000			$ 26,700,000		$ 26,700,000		190.0
Amounts drawn under credit facility				$ 0		$ 0
HSBC China Facility
Debt Instrument [Line Items]
Borrowings outstanding | ¥								0.0		¥ 0.0
Effective interest rate				0.00%	0.00%	0.00%	0.00%
Remaining borrowing capacity								200.0	28,100,000
Unsecured revolving facility											$ 28,100,000	¥ 200.0
Convertible Notes
Debt Instrument [Line Items]
Borrowings outstanding	230,000,000			$ 230,000,000		$ 230,000,000			230,000,000
Debt instrument, principal amount													$ 230,000,000
Debt instrument, annual interest rate													0.50%
Federal Economic Development Loan
Debt Instrument [Line Items]
Carrying value of debt	1,480,000			1,480,000		1,480,000			1,765,000
Foreign Exchange Facility
Debt Instrument [Line Items]
Unrealized gain (loss) on outstanding foreign currency forward contracts	300,000			300,000		300,000			(2,000,000.0)
Notional value of outstanding foreign currency forward contracts	$ 48,700,000			48,700,000		$ 48,700,000			48,400,000
Wells Fargo Credit Facility
Debt Instrument [Line Items]
Debt instrument net leverage ratio	0.00
Interest rate margin percentage						1.75%
Fees incurred from borrowings		$ 2,200,000
Borrowings outstanding	$ 29,000,000			$ 29,000,000		$ 29,000,000			37,000,000
Effective interest rate				6.09%		6.15%
Letters of credit or advance payment guarantees	0			$ 0		$ 0			0
Remaining borrowing capacity	346,000,000.0			346,000,000.0		346,000,000.0			263,000,000.0
Wells Fargo Credit Facility | Maximum
Debt Instrument [Line Items]
Debt instrument net leverage ratio			3.25
Wells Fargo Credit Facility | Eurocurrency Or Rate | Minimum
Debt Instrument [Line Items]
Interest rate margin percentage		1.00%
Wells Fargo Credit Facility | Eurocurrency Or Rate | Maximum
Debt Instrument [Line Items]
Interest rate margin percentage		1.75%
Wells Fargo Credit Facility | U.S. Base Rate or Canadian Prime Rate | Minimum
Debt Instrument [Line Items]
Interest rate margin percentage		0.25%
Wells Fargo Credit Facility | U.S. Base Rate or Canadian Prime Rate | Maximum
Debt Instrument [Line Items]
Interest rate margin percentage		1.00%
Letter of Credit | Bank of China Facility
Debt Instrument [Line Items]
Remaining borrowing capacity	1,300,000			1,300,000		1,300,000		¥ 9.0
NBC Facility
Debt Instrument [Line Items]
Remaining borrowing capacity	$ 0			$ 0		$ 0			$ 0