Allowance for doubtful variable consideration receivable net of foreign exchange current provision.

No definition available.

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

- Definition

Current expected credit losses.

+ References

No definition available.

+ Details

Name:	imax_CurrentExpectedCreditLossesLineItems
Namespace Prefix:	imax_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Financed sales receivables nonaccrual status finance income.

+ References

No definition available.

+ Details

Name:	imax_FinancedSalesReceivablesNonaccrualStatusFinanceIncome
Namespace Prefix:	imax_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Financed sales receivables past due finance income.

+ References

No definition available.

+ Details

Name:	imax_FinancedSalesReceivablesPastDueFinanceIncome
Namespace Prefix:	imax_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Increase (decrease) in allowance for doubtful accounts receivable current provision.

+ References

No definition available.

+ Details

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

- Definition

Increase (decrease) investment in leases and financed sale receivables provision for current expected credit losses.

+ References

No definition available.

+ Details

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

- Definition

Net investment in lease nonaccrual status finance income.

+ References

No definition available.

+ Details

Name:	imax_NetInvestmentInLeaseNonaccrualStatusFinanceIncome
Namespace Prefix:	imax_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Net investment in lease past due finance income.

+ References

No definition available.

+ Details

Name:	imax_NetInvestmentInLeasePastDueFinanceIncome
Namespace Prefix:	imax_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Unsecured claims related to receivable from bankruptcy entities.

+ References

No definition available.

+ Details

Name:	imax_UnsecuredClaimsRelatedToReceivableFromBankruptcyEntities
Namespace Prefix:	imax_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=imax_ForeignMovieStudiosMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=imax_TheaterOperatorsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditLossStatusAxis=imax_VariableConsiderationReceivablesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditLossStatusAxis=imax_CurrentExpectedCreditLossesForAccountsReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=imax_StudiosMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Receivables - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 07, 2022
Current Expected Credit Losses [Line Items]
Unsecured claims related to receivable from bankruptcy entities					$ 11,400,000
Finance Income related to the net investment in leases in nonaccrual status	$ 0	$ 0	$ 0	$ 0
Finance Income related to the financed sales receivables in nonaccrual status	100,000	100,000	400,000	100,000
Finance income related to net investment in leases with billed amounts past due			100,000	100,000
Finance income related to financed sale receivables with billed amounts past due	1,100,000	1,300,000	3,100,000	3,600,000
Maximum [Member]
Current Expected Credit Losses [Line Items]
Finance income related to net investment in leases with billed amounts past due	100,000	100,000
Foreign Movie Studios [Member]
Current Expected Credit Losses [Line Items]
Increase (decrease) in allowance for current expected credit losses, accounts receivables		$ (1,200,000)		$ (3,200,000)
Theatre Operators [Member]
Current Expected Credit Losses [Line Items]
Increase (decrease) in allowance for current expected credit losses, variable consideration receivables			(500,000)
Theatre Operators [Member] \| Variable Consideration Receivables [Member]
Current Expected Credit Losses [Line Items]
Increase (decrease) investment in leases and financed sale receivables provision for current expected credit losses	(100,000)		5,400,000
Theatre Operators [Member] \| Current Expected Credit Losses For Accounts Receivable [Member]
Current Expected Credit Losses [Line Items]
Increase (decrease) in allowance for current expected credit losses, accounts receivables	400,000		$ 1,800,000
Theatre Operators [Member] \| Maximum [Member]
Current Expected Credit Losses [Line Items]
Increase (decrease) in allowance for current expected credit losses, variable consideration receivables	100,000
Studios [Member]
Current Expected Credit Losses [Line Items]
Increase (decrease) in allowance for current expected credit losses, accounts receivables	$ (100,000)