Capital Stock and Reserves - Performance Stock Units Activity under the IMAX LTIP (Details) - Performance Stock Units [Member] - $ / shares		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of awards outstanding, beginning of period		931,716	613,405
Granted	[1]	580,118	359,138
Forfeited		(208,648)
Vested and settled	[1]	(368,602)
Number of awards outstanding,end of period		934,584	972,543
Weighted average grant date fair value per share, beginning of period		$ 18.96	$ 18.21
Granted, weighted average grant date fair value per share	[1]	17.68	20.34
Forfeited, weighted average grant date fair value per share		18.09
Vested and settled, weighted average grant date fair value per share	[1]	16.92
Weighted average grant date fair value per share, end of period		$ 19.16	$ 19.00

[1] For the three months ended March 31, 2023, the balance of shares granted includes 157,963 additional shares, at a weighted average grant date fair value per share of $16.92, as PSUs granted in 2020 with EBITDA-based targets vested at 175% on account of full achievement of the targets. This performance adjustment in the first quarter of 2023 reflects the Company's performance assessment of its first PSU awards.