Revenue from Contracts with Customers - Disaggregation of Revenue by Segment (Parenthetical) (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Revenue from Contracts with Customers [Line Items]
Revenues	[1]	$ 38,754	$ 34,902
Technology Sales [Member]
Revenue from Contracts with Customers [Line Items]
Revenues		6,175	5,662
Technology Sales [Member] | IMAX Systems [Member]
Revenue from Contracts with Customers [Line Items]
Revenues	[2]	3,294	3,140	[3]
Lease Arrangements [Member]
Revenue from Contracts with Customers [Line Items]
Revenues		11,473	7,887
Lease Arrangements [Member] | Technology Sales [Member]
Revenue from Contracts with Customers [Line Items]
Revenues		3,114	1,916
Lease Arrangements [Member] | Technology Sales [Member] | IMAX Systems [Member]
Revenue from Contracts with Customers [Line Items]
Revenues	[2]	$ 1,376	$ 1,146	[3]

[1] The Company’s largest customer represents 31.2% of total Revenues for the three months ended March 31, 2021 (2020 — 14.4%) and 15.9% of total Accounts Receivable as of March 31, 2021. No single customer comprises more than 10% of the Company’s total Accounts Receivable as of December 31, 2020.

[2] Includes revenues earned from sales or sales-type lease arrangements involving new and upgraded IMAX Theater Systems, as well as the impact on revenue of renewals and amendments to existing theater system arrangements.

[3] Prior period comparatives have been revised to appropriately classify $1.1 million of fixed consideration under revenue from contracts with customers to revenue from lease arrangements.