Selected Financial Information by Geographic Area (Detail) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2020		Sep. 30, 2020	[1]	Jun. 30, 2020	[1]	Mar. 31, 2020	[1]	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020		Dec. 31, 2019	Dec. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 98,242	[1]	$ 35,478		$ 8,974		$ 543,616		$ 788,803	$ 821,817	$ 957,756	$ 714,723	$ 686,310	[1]	$ 3,283,099	$ 3,221,735
Theatre Properties and Equipment - net	1,615,062								1,735,247				1,615,062		1,735,247
Reportable Geographical Components | U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues													559,184		2,594,246	2,551,719
Theatre Properties and Equipment - net	1,392,780								1,479,603				1,392,780		1,479,603
Reportable Geographical Components | Brazil
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues													59,321		302,074	283,009
Theatre Properties and Equipment - net	72,080								140,570				72,080		140,570
Reportable Geographical Components | Other international countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues													70,080		400,122	399,769
Theatre Properties and Equipment - net	$ 150,202								$ 212,960				150,202		212,960
Eliminations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues													$ (2,275)		$ (13,343)	$ (12,762)

[1] Quarterly results during the year ended December 31, 2020 were impacted by the COVID-19 pandemic (see Note 3) as well as impairment recorded (see Notes 1 and 11).