Segment Reporting - Summary of Revenues By Geographic Area (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues, total	[1]	$ 68,755	$ 56,602	$ 202,759	$ 146,311
United States [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues, total		23,168	16,469	75,881	34,275
Greater China [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues, total		14,889	22,203	47,602	75,634
Asia (excluding China) [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues, total		13,921	4,925	31,045	12,837
Western Europe [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues, total		8,938	7,634	26,700	11,160
Latin America [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues, total		2,397	1,181	6,826	1,579
Canada [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues, total		1,780	1,083	5,520	620
Russia/the CIS & Ukraine [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues, total	[2]	1,638	1,353	2,794	4,577
Rest of the World [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues, total		$ 2,024	$ 1,754	$ 6,391	$ 5,629

[1] The Company's largest customer represents 11% and 13%, respectively, of total Revenues for the three and nine months ended September 30, 2022 (2021 — 18% and 22%, respectively). No single customer comprises more than 10% of the Company's total Accounts Receivable as of September 30, 2022 and December 31, 2021.

[2] In addition to Russia, the CIS includes Azerbaijan, Belarus, Kazakhstan, and Kyrgyzstan. Commencing in March 2022, in response to the ongoing conflict between Russia and Ukraine and resulting sanctions, the Company suspended its operations in Russia and Belarus. As of September 30, 2022, the IMAX network includes 54 theaters in Russia, nine theaters in Ukraine, and one theater in Belarus.