Capital Stock and Reserves - Restricted Stock Units Activity under the IMAX LTIP (Details) - Restricted Share Units [Member] - $ / shares	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of awards outstanding, beginning of period	1,252,044	1,457,883
Granted	898,680	694,131
Vested and settled	(742,406)	(714,496)
Forfeited	(95,510)	(108,504)
Number of awards outstanding,end of period	1,312,808	1,329,014
Weighted average grant date fair value per share, beginning of period	$ 19.16	$ 19.16
Granted, weighted average grant date fair value per share	17.82	19.42
Vested and settled, weighted average grant date fair value per share	18.68	18.68
Forfeited, weighted average grant date fair value per share	19.22	20.37
Weighted average grant date fair value per share, end of period	$ 18.52	$ 19.45