Quarterly report pursuant to Section 13 or 15(d)

Other Investments- Summary of Transactions with Each of the Company's Other Investees (Detail) (Parenthetical)

v3.22.1
Other Investments- Summary of Transactions with Each of the Company's Other Investees (Detail) (Parenthetical)
$ in Millions
3 Months Ended
Mar. 31, 2021
USD ($)
Digital Cinema Distribution Coalition [Member]  
Schedule of Equity Method Investments [Line Items]  
Lease Termination Payment $ 1.0