Receivables - Summary of Allowance For Credit Losses Related to Accounts Receivable (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Accounts Receivable Allowance For Credit Loss [Line Items]
Beginning balance	$ 14,020	$ 13,355	$ 14,119	$ 11,946
Current period provision (reversal), net	1,590	623	2,440	2,856
Write-offs	(405)	(4)	(1,202)	(565)
Foreign exchange	(84)	(237)	(236)	(500)
Ending balance	15,121	13,737	15,121	13,737
Theatre Operators [Member]
Accounts Receivable Allowance For Credit Loss [Line Items]
Beginning balance	11,640	10,704	11,144	8,867
Current period provision (reversal), net	1,953	211	3,392	2,326
Write-offs	(405)		(1,202)	(43)
Foreign exchange	(84)	(216)	(230)	(451)
Ending balance	13,104	10,699	13,104	10,699
Studios [Member]
Accounts Receivable Allowance For Credit Loss [Line Items]
Beginning balance	894	1,744	1,699	1,994
Current period provision (reversal), net	100	30	(699)	(68)
Write-offs		(4)		(128)
Foreign exchange		(21)	(6)	(49)
Ending balance	994	1,749	994	1,749
Other [Member]
Accounts Receivable Allowance For Credit Loss [Line Items]
Beginning balance	1,486	907	1,276	1,085
Current period provision (reversal), net	(463)	382	(253)	598
Write-offs				(394)
Ending balance	$ 1,023	$ 1,289	$ 1,023	$ 1,289