Receivables - Summary of Allowance For Credit Losses Related to Variable Consideration Receivables (Details) - Theatre Operators [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Accounts Receivable Allowance For Credit Loss [Line Items]
Beginning balance	$ 1,082	$ 1,887
Current period (reversal) provision, net	(643)	200
Foreign exchange		1
Ending balance	$ 439	$ 2,088