Condensed Consolidated Statements of Cash Flows Supplemental Information - Summary of Depreciation and Amortization (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Summary of Depreciation and amortization
Film assets		$ 3,452	$ 3,178
Property, plant and equipment:
Equipment supporting joint revenue sharing arrangements		5,772	5,548
Other property, plant and equipment	[1]	2,287	2,028
Other intangible assets	[2]	1,399	1,532
Other assets	[3]	410	455
Depreciation and amortization		$ 13,320	$ 12,741

[1] Includes the amortization of laser projection systems, camera, and lens upgrades recorded in Research and Development on the Condensed Consolidated Statement of Operations of $0.1 million in the three months ended March 31, 2023 (2022 — $0.2 million).

[2] Includes the amortization of licenses and intellectual property recorded in Research and Development on the Condensed Consolidated Statement of Operations of $0.3 million in the three months ended March 31, 2023 (2022 — $0.3 million).

[3] Includes the amortization of lessee incentives provided by the Company to its customers under joint revenue sharing arrangements.