Segment Reporting - Additional Information (Details)	3 Months Ended
Mar. 31, 2021
Segment Reporting (Textual) [Abstract]
Description of products and services from which each reportable segment derives its revenues	The Company has the following reportable segments: (i) IMAX DMR; (ii) Joint Revenue Sharing Arrangements; (iii) IMAX Systems, (iv) IMAX Maintenance; (v) Other Theater Business; (vi) New Business Initiatives; (vii) Film Distribution; and (viii) Film Post-Production.
Disclosure on geographic areas, description of revenue from external customers	No single country in the Rest of the World, Western Europe, Latin America and Asia (excluding Greater China) comprises more than 10% of the Company’s total revenue in the three months ended March 31, 2021.

Disclosure about revenues from external customers (1) attributed to the entity's country of domicile and (2) attributed to all foreign countries in total from which the entity derives revenues.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599

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