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Percentage of statutory net profits to statutory surplus reserve to be appropriated.

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The maximum percentage of issues shares outstanding that can be repurchased under the program.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Number of shares purchased for issuance under share-based payment arrangement.

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Percentage of vesting of award under share-based payment arrangement.

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The amount of statutory capital and surplus (stockholders' equity) as of the balance sheet date using prescribed or permitted statutory accounting practices (rather than GAAP, if different) of the state or country.

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Amount of stock repurchase plan authorized.

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Expiration date for the purchase of an entity's own shares under a stock repurchase plan, in the YYYY-MM-DD format.

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The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Number of shares that have been repurchased and retired during the period.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Capital Stock and Reserves - Additional Information (Details) $ / shares in Units, $ / shares in Units, ¥ in Millions, $ in Millions		3 Months Ended			12 Months Ended
	Apr. 27, 2022 USD ($) $ / shares shares	Mar. 31, 2022 USD ($) $ / shares shares	Mar. 31, 2022 HKD ($) $ / shares shares	Mar. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) shares	Dec. 31, 2021 CNY (¥) shares	Sep. 30, 2021 USD ($)	Sep. 30, 2021 CNY (¥)	Apr. 30, 2021 USD ($)	Jun. 11, 2020 shares	Jul. 01, 2017 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation costs recorded for the period		$ 6,100,000		$ 5,300,000
Stock-based compensation expense		$ 6,052,000		$ 5,307,000
Maximum number of shares of common stock may be issued for outstanding PSU \| shares		58,750,922			58,653,642	58,653,642
Common shares purchased in open market by trustee in connection with RSUs \| shares		0	0	0
Number of treasury shares held in trust for future settlement of share based awards \| shares		0	0		0	0
Antidilutive shares issuable upon exercise of stock options, restricted share units and performance stock units \| shares		6,348,736	6,348,736	6,494,829
Percentage of statutory net profits to statutory surplus reserve to be appropriated		10.00%
Discontinuation of contribution, Aggregate sum of statutory surplus reserve more than its registered capital,percent.		50.00%
Statutory surplus reserve appropriated		$ 0					$ 5,600,000	¥ 36.4
Dividends declared and paid					$ 20,400,000	¥ 131.6
Statutory surplus reserve to its subsidiaries registered capital percent							50.00%	50.00%
Subsequent Event [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Repurchase of common shares \| shares	869,048
Stock Acquired, Average Cost per Share \| $ / shares	$ 16.42
Repurchase of common shares, value	$ 14,300,000
IMAX China
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Details of the share repurchase program		In 2021, IMAX China's shareholders granted its Board of Directors a general mandate authorizing the Board, subject to applicable laws, to repurchase shares of IMAX China not to exceed 10% of the total number of issued shares as of May 6, 2021 (34,835,824 shares). This program will be valid until the 2022 Annual General Meeting of IMAX China, which will be held on May 26, 2022. The repurchases may be made in the open market or through other means permitted by applicable laws. IMAX China has no obligation to repurchase its shares and the share repurchase program may be suspended or discontinued by IMAX China at any time.	In 2021, IMAX China's shareholders granted its Board of Directors a general mandate authorizing the Board, subject to applicable laws, to repurchase shares of IMAX China not to exceed 10% of the total number of issued shares as of May 6, 2021 (34,835,824 shares). This program will be valid until the 2022 Annual General Meeting of IMAX China, which will be held on May 26, 2022. The repurchases may be made in the open market or through other means permitted by applicable laws. IMAX China has no obligation to repurchase its shares and the share repurchase program may be suspended or discontinued by IMAX China at any time.
Stock Repurchase Program Expiration Date		May 06, 2021	May 06, 2021
Repurchase of common shares \| shares		1,448,000	1,448,000
Stock Acquired, Average Cost per Share \| (per share)		$ 1.26	$ 9.89
Repurchase of common shares, value		$ 1,800,000	$ 14.3
Stock Repurchase Program, maximum percentage of shares to be repurchased										10.00%
Stock Repurchase Program, Authorized number of shares \| shares										34,835,824
Parent [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Details of the share repurchase program		In April 2021, the Company’s Board of Directors approved a 12-month extension to its share repurchase program through June 30, 2022. The extension authorized the Company to repurchase up to approximately $89.4 million worth of common shares, the remaining amount available of the original $200.0 million initially authorized under the share repurchase program when it commenced on July 1, 2017. The repurchases may be made either in the open market or through private transactions, including repurchases made pursuant a plan intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934, as amended, subject to market conditions, applicable legal requirements, and other relevant factors. The Company has no obligation to repurchase shares and the share repurchase program may be suspended or discontinued by the Company at any time.	In April 2021, the Company’s Board of Directors approved a 12-month extension to its share repurchase program through June 30, 2022. The extension authorized the Company to repurchase up to approximately $89.4 million worth of common shares, the remaining amount available of the original $200.0 million initially authorized under the share repurchase program when it commenced on July 1, 2017. The repurchases may be made either in the open market or through private transactions, including repurchases made pursuant a plan intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934, as amended, subject to market conditions, applicable legal requirements, and other relevant factors. The Company has no obligation to repurchase shares and the share repurchase program may be suspended or discontinued by the Company at any time.
Stock Repurchase Program, Authorized Amount		$ 69,200,000									$ 200,000,000.0
Stock Repurchase Program Expiration Date		Jun. 30, 2022	Jun. 30, 2022
Repurchase of common shares \| shares		380,652	380,652	0
Stock Acquired, Average Cost per Share \| $ / shares		$ 16.45		$ 0
Repurchase of common shares, value		$ 6,300,000		$ 0
Statutory surplus reserve appropriated							$ 3,900
Parent [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Repurchase Program, Authorized Amount									$ 89,400,000
Non-controlling Interests [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Repurchase of common shares, value		1,301,000
Statutory surplus reserve appropriated							$ 1,700
Restricted Share Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense		$ 3,411,000		$ 3,151,000
Antidilutive shares issuable upon exercise of stock options, restricted share units and performance stock units \| shares		1,444,455	1,444,455	1,735,714
Restricted Share Units [Member] \| Certain Advisor [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense		$ 0		$ 0
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense		$ 207,000		$ 351,000
Antidilutive shares issuable upon exercise of stock options, restricted share units and performance stock units \| shares		3,607,391	3,607,391	3,913,231
Performance Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense		$ 1,729,000		$ 1,014,000
Stock based awards vesting period		3 years	3 years
Antidilutive shares issuable upon exercise of stock options, restricted share units and performance stock units \| shares		1,296,890	1,296,890	845,884
Performance Stock Units [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, award vesting rights, percentage		0.00%	0.00%
Performance Stock Units [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, award vesting rights, percentage		175.00%	175.00%
Performance Stock Units [Member] \| EBITDA \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares of common stock may be issued for outstanding PSU \| shares		1,701,951