Receivables - Additional Information (Details) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current Expected Credit Losses [Line Items]
Finance income related to net investment in leases with billed amounts past due			$ 100,000	$ 100,000
Finance Income related to the net investment in leases in nonaccrual status		$ 0	0	0
Finance income related to financed sale receivables with billed amounts past due		2,700,000	3,600,000	3,700,000
Finance Income related to the financed sales receivables in nonaccrual status		200,000	500,000	200,000
Financing receivables	$ 127,154,000	127,154,000	129,384,000
Maximum [Member]
Current Expected Credit Losses [Line Items]
Finance income related to net investment in leases with billed amounts past due		100,000
Theatre And Foreign Movie Studio [Member]
Current Expected Credit Losses [Line Items]
Increase (decrease) in allowance for current expected credit losses, accounts receivables	300,000	1,900,000	2,200,000
Additional reserve allowances	1,500,000		1,500,000
Financing receivables	1,200,000	1,200,000
Theatre Operators [Member]
Current Expected Credit Losses [Line Items]
Increase (decrease) in allowance for current expected credit losses, variable consideration receivables		600,000	(500,000)
Allowance for doubtful variable consideration receivable	633,000	633,000	610,000	$ 1,082,000
Allowance for doubtful variable consideration receivable		35,000	(440,000)
Theatre Operators [Member] | IMAX China [Member]
Current Expected Credit Losses [Line Items]
Net investment in leases and financed sales receivables	$ 1,200,000	1,200,000
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		(1,700,000)	$ 5,500,000
Theatre Operators [Member] | Variable Consideration Receivables [Member] | IMAX China [Member]
Current Expected Credit Losses [Line Items]
Pandemic provision		$ 1,500,000