Receivables - Summary of Allowance For Credit Losses Related to Variable Consideration Receivables (Details) - Theatre Operators [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Accounts Receivable Allowance For Credit Loss [Line Items]
Beginning balance	$ 439	$ 2,088	$ 1,082	$ 1,887
Current period provision (reversal), net	73	(38)	(570)	162
Foreign exchange	(9)	(22)	(9)	(21)
Ending balance	$ 503	$ 2,028	$ 503	$ 2,028