Receivables - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Current Expected Credit Losses [Line Items]
Finance Income related to the net investment in leases in nonaccrual status	$ 0	$ 0	$ 0	$ 0
Finance Income related to the financed sales receivables in nonaccrual status	300,000	100,000	500,000	300,000
Finance income related to net investment in leases with billed amounts past due			100,000	100,000
Finance income related to financed sale receivables with billed amounts past due	1,300,000	700,000	2,000,000.0	2,300,000
Maximum [Member]
Current Expected Credit Losses [Line Items]
Finance income related to net investment in leases with billed amounts past due	100,000	100,000
Foreign Movie Studios [Member]
Current Expected Credit Losses [Line Items]
Increase (decrease) in allowance for current expected credit losses, accounts receivables		$ (1,400,000)		$ (2,000,000.0)
Theatre Operators [Member]
Current Expected Credit Losses [Line Items]
Increase (decrease) in allowance for current expected credit losses, variable consideration receivables	100,000		(600,000)
Theatre Operators [Member] | Variable Consideration Receivables [Member]
Current Expected Credit Losses [Line Items]
Increase (decrease) investment in leases and financed sale receivables provision for current expected credit losses	(100,000)		5,500,000
Theatre Operators [Member] | Current Expected Credit Losses For Accounts Receivable [Member]
Current Expected Credit Losses [Line Items]
Increase (decrease) in allowance for current expected credit losses, accounts receivables	$ (800,000)		$ 1,400,000