Condensed Consolidated Statements of Cash Flows Supplemental Information - Write-downs (Parenthetical) (Details) ¥ in Millions, $ in Millions	9 Months Ended
Sep. 30, 2023 USD ($)	Sep. 30, 2022 CNY (¥)	Sep. 30, 2022 USD ($)
Supplemental Cash Flow Elements [Line Items]
Theater system components written off in Costs and expenses	$ 0.5		$ 0.2
Wanda Film (Horgos) Co. Ltd [Member]
Supplemental Cash Flow Elements [Line Items]
Investment in film impairment		¥ 30.0	$ 4.5

Joint revenue sharing arrangements written off included in costs and expenses.

No definition available.

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Namespace Prefix:	imax_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration