Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Capital Stock [Member]	Other Equity [Member]	Accumulated Deficit [Member]	Accumulated other comprehensive (loss) income [Member]	Non-controlling Interests [Member]	Statutory Surplus Reserve [Member]
Balance, beginning of period at Dec. 31, 2020		$ 407,020	$ 188,845	$ (202,849)	$ 988
Movement of Shareholders' Equity
Change in shares held in treasury		7
Employee stock options exercised, net of shares withheld for employee tax obligations		883
Amortization of share-based payment expense - stock options			908
Amortization of share-based payment expense - restricted share units			12,732
Amortization of share-based payment expense - performance stock units			3,413
Restricted share units vested			(11,850)
Purchase of capped calls related to convertible notes			(19,067)
Grant date fair value of stock options exercised		272	(271)
Common shares repurchased and retired		(2,380)		(2,230)
Change in ownership interest related to IMAX China common share repurchases			(3,645)			$ (1,371)
Net loss attributable to common shareholders	$ (32,429)			(32,429)
Other comprehensive loss, net of tax	(1,785)				(1,625)
Restricted share units vested, net of shares withheld for employee tax obligations		7,725
Establishment of statutory surplus reserve, IMAX China							$ 3,932
Statutory surplus reserve deducted from retained earnings, IMAX China				(3,932)
Balance, end of period at Sep. 30, 2021		413,527	171,065	(241,440)	(637)		3,932
Balance, beginning of period at Dec. 31, 2020						70,004
Movement of Shareholders' Equity
Net income attributable to non-controlling interests	9,473					9,472
Other comprehensive (loss) income, net of tax						(160)
Dividends paid to non-controlling shareholders of IMAX China						(5,027)
Share-based compensation attributable to non-controlling interests						345
Balance, end of period at Sep. 30, 2021						73,263
Balance, beginning of period at Jun. 30, 2021		415,849	169,050	(226,900)	1,062
Movement of Shareholders' Equity
Change in shares held in treasury		4
Amortization of share-based payment expense - stock options			282
Amortization of share-based payment expense - restricted share units			4,161
Amortization of share-based payment expense - performance stock units			1,275
Restricted share units vested		54	(58)
Common shares repurchased and retired		(2,380)		(2,230)
Change in ownership interest related to IMAX China common share repurchases			(3,645)			(1,371)
Net loss attributable to common shareholders	(8,378)			(8,378)
Other comprehensive loss, net of tax	(2,097)				(1,699)
Establishment of statutory surplus reserve, IMAX China							3,932
Statutory surplus reserve deducted from retained earnings, IMAX China				(3,932)
Balance, end of period at Sep. 30, 2021		413,527	171,065	(241,440)	(637)		3,932
Balance, beginning of period at Jun. 30, 2021						75,698
Movement of Shareholders' Equity
Net income attributable to non-controlling interests	2,034					2,040
Other comprehensive (loss) income, net of tax						(398)
Dividends paid to non-controlling shareholders of IMAX China						(2,928)
Share-based compensation attributable to non-controlling interests						222
Balance, end of period at Sep. 30, 2021						73,263
Movement of Shareholders' Equity
Total shareholders' equity	419,710
Total shareholders' equity	429,614
Balance, beginning of period at Dec. 31, 2021	356,083	409,979	174,620	(234,975)	2,527		3,932
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
Common shares repurchased and retired		(32,929)		(22,556)
Change in ownership interest related to IMAX China common share repurchases			(1,399)			(1,644)
Net loss attributable to common shareholders	(25,413)			(25,413)
Other comprehensive loss, net of tax	(25,785)				(18,700)
Balance, end of period at Sep. 30, 2022	273,339	388,953	179,571	(282,944)	(16,173)		3,932
Balance, beginning of period at Dec. 31, 2021	73,531					73,531
Movement of Shareholders' Equity
Net income attributable to non-controlling interests	1,455					1,477
Other comprehensive (loss) income, 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
Balance, end of period at Sep. 30, 2022	63,859					63,859
Balance, beginning of period at Jun. 30, 2022		391,107	174,668	(272,022)	(6,755)		3,932
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
Common shares repurchased and retired		(4,161)		(1,969)
Change in ownership interest related to IMAX China common share repurchases			(856)			(343)
Net loss attributable to common shareholders	(8,953)			(8,953)
Other comprehensive loss, net of tax	(12,764)				(9,418)
Balance, end of period at Sep. 30, 2022	273,339	$ 388,953	$ 179,571	$ (282,944)	$ (16,173)		$ 3,932
Balance, beginning of period at Jun. 30, 2022						66,555
Movement of Shareholders' Equity
Net income attributable to non-controlling interests	1,196					1,202
Other comprehensive (loss) income, net of tax						(3,346)
Dividends paid to non-controlling shareholders of IMAX China						(91)
Share-based compensation attributable to non-controlling interests						(118)
Balance, end of period at Sep. 30, 2022	63,859					$ 63,859
Movement of Shareholders' Equity
Total shareholders' equity	$ 337,198