| Document and Entity Information | Apr. 19, 2022 |
| Document And Entity Information [Line Items] | |
| Document Type | 8-K/A |
| Amendment Flag | true |
| Document Period End Date | Apr. 19, 2022 |
| Entity Registrant Name | IMAX Corporation |
| Entity Incorporation State Country Code | Z4 |
| Entity File Number | 001-35066 |
| Entity Tax Identification Number | 98-0140269 |
| Entity Address, Address Line One | 2525 Speakman Drive |
| Entity Address, City or Town | Mississauga |
| Entity Address, State or Province | ON |
| Entity Address, Country | CA |
| Entity Address, Postal Zip Code | L5K 1B1 |
| City Area Code | 905 |
| Local Phone Number | 403-6500 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Shares, no par value |
| Trading Symbol | IMAX |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Amendment Description | On April 19, 2022, IMAX Corporation (the “Company”) filed a Current Report on Form 8-K with the Securities and Exchange Commission reporting the appointment of Natasha Fernandes as the Company’s Chief Financial Officer, effective as of May 1, 2022. This Current Report on Form 8-K/A supplements the prior Form 8-K in certain respects.On April 25, 2022, the Compensation Committee of the Company’s Board of Directors approved the new terms of Ms. Fernandes’ employment with the Company (the “Employment Agreement”), effective as of May 1, 2022, to reflect her new position and expanded responsibilities as Chief Financial Officer. Pursuant to the Employment Agreement, Ms. Fernandes’ initial base salary will be $460,161.37 CAD per year, which will be increased to $500,000 CAD effective April 1, 2023. Following April 1, 2023, Ms. Fernandes’ annual base salary will be subject to annual review. Ms. Fernandes will be eligible for a target bonus of 50% of her base salary and an annual equity award with a minimum target value equal to $600,000 USD granted under the Company’s Second Amended and Restated Long-Term Incentive Plan (the “Plan”). Ms. Fernandes will continue to be entitled to medical and other welfare and fringe benefits on the same basis as generally provided to other senior executives, including an annual car allowance and wellness allowance. |
| Entity Central Index Key | 0000921582 |
| Other Address [Member] | |
| Document And Entity Information [Line Items] | |
| Entity Address, Address Line One | 902 Broadway |
| Entity Address, Address Line Two | Floor 20 |
| Entity Address, City or Town | New York |
| Entity Address, State or Province | NY |
| Entity Address, Country | US |
| Entity Address, Postal Zip Code | 10010 |
| City Area Code | 212 |
| Local Phone Number | 821-0100 |
