Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Capital Stock [Member]	Other Equity [Member]	Statutory Surplus Reserve [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Non-controlling Interests [Member]
Balance, beginning of period at Dec. 31, 2021		$ 409,979	$ 174,620	$ 3,932	$ (234,975)	$ 2,527
Balance, beginning of period at Dec. 31, 2021							$ 73,531
Movement of Shareholders' Equity
Amortization of share-based payment expense - stock options			502
Amortization of share-based payment expense - restricted share units			14,444
Amortization of share-based payment expense - performance stock units			5,414
Restricted share units vested		9,956	(14,010)
Issuance of common shares in acquisition		1,947
Net income (loss) attributable to common shareholders	$ (25,413)				(25,413)
Common shares repurchased and retired		(32,929)			(22,556)
Net income attributable to non-controlling interests	1,455						1,477
Other comprehensive loss, net of tax	(25,785)					(18,700)
Other comprehensive income (loss), net of tax							(7,085)
Dividends paid to non-controlling shareholders of IMAX China							(2,701)
Share-based compensation attributable to non-controlling interests							281
Change in ownership interest related to IMAX China common share repurchases			(1,399)				(1,644)
Balance, end of period at Sep. 30, 2022		388,953	179,571	3,932	(282,944)	(16,173)
Balance, end of period at Sep. 30, 2022							63,859
Balance, beginning of period at Jun. 30, 2022		391,107	174,668	3,932	(272,022)	(6,755)
Balance, beginning of period at Jun. 30, 2022							66,555
Movement of Shareholders' Equity
Amortization of share-based payment expense - stock options			132
Amortization of share-based payment expense - restricted share units			4,232
Amortization of share-based payment expense - performance stock units			1,697
Restricted share units vested		60	(302)
Issuance of common shares in acquisition		1,947
Net income (loss) attributable to common shareholders	(8,953)				(8,953)
Common shares repurchased and retired		(4,161)			(1,969)
Net income attributable to non-controlling interests	1,196						1,202
Other comprehensive loss, net of tax	(12,764)					(9,418)
Other comprehensive income (loss), net of tax							(3,346)
Dividends paid to non-controlling shareholders of IMAX China							(91)
Share-based compensation attributable to non-controlling interests							(118)
Change in ownership interest related to IMAX China common share repurchases			(856)				(343)
Balance, end of period at Sep. 30, 2022		388,953	179,571	3,932	(282,944)	(16,173)
Balance, end of period at Sep. 30, 2022							63,859
Movement of Shareholders' Equity
Total shareholders' equity	337,198
Total shareholders' equity	329,046
Balance, beginning of period at Dec. 31, 2022	263,355	376,715	185,678	3,932	(293,124)	(9,846)
Balance, beginning of period at Dec. 31, 2022	65,691						65,691
Movement of Shareholders' Equity
Amortization of share-based payment expense - stock options			92
Amortization of share-based payment expense - restricted share units			9,881
Amortization of share-based payment expense - performance stock units			5,196
Restricted share units vested		13,631	(20,877)
Net income (loss) attributable to common shareholders	22,795				22,795
Common shares repurchased and retired		(249)			(1,989)
Net income attributable to non-controlling interests	6,960						7,021
Other comprehensive loss, net of tax	(6,647)					(4,791)
Other comprehensive income (loss), net of tax							(1,856)
Dividends paid to non-controlling shareholders of IMAX China							(1,438)
Share-based compensation attributable to non-controlling interests							288
Balance, end of period at Sep. 30, 2023	287,044	390,097	179,970	3,932	(272,318)	(14,637)
Balance, end of period at Sep. 30, 2023	69,706						69,706
Balance, beginning of period at Jun. 30, 2023		390,238	175,374	3,932	(284,208)	(14,622)
Balance, beginning of period at Jun. 30, 2023							66,167
Movement of Shareholders' Equity
Amortization of share-based payment expense - restricted share units			2,557
Amortization of share-based payment expense - performance stock units			2,071
Restricted share units vested		11	(32)
Net income (loss) attributable to common shareholders	11,990				11,990
Common shares repurchased and retired		(152)			(100)
Net income attributable to non-controlling interests	3,029						3,100
Other comprehensive loss, net of tax	284					(15)
Other comprehensive income (loss), net of tax							299
Share-based compensation attributable to non-controlling interests							140
Balance, end of period at Sep. 30, 2023	287,044	$ 390,097	$ 179,970	$ 3,932	$ (272,318)	$ (14,637)
Balance, end of period at Sep. 30, 2023	69,706						$ 69,706
Movement of Shareholders' Equity
Total shareholders' equity	$ 356,750