Summary of Activity with NCM Included in Company's Consolidated Financial Statements (Detail) - USD ($) $ in Thousands			12 Months Ended
		Jul. 05, 2018	Dec. 31, 2018		Dec. 31, 2017	Dec. 31, 2016
Schedule Of Equity Method Investments [Line Items]
Receipt of common units due to annual common unit adjustment			$ 5,012
Equity in earnings			39,242		$ 35,985	$ 31,962
NCM
Schedule Of Equity Method Investments [Line Items]
Beginning Balance			200,550
Beginning Balance			(351,706)
Purchase of additional common units		$ 78,393	78,393
Ending Balance			275,592		200,550
Ending Balance			(287,349)	[1]	(351,706)
Investment In NCM
Schedule Of Equity Method Investments [Line Items]
Beginning Balance			200,550		189,995	183,755
Receipt of common units due to annual common unit adjustment			5,012		18,363	11,111
Purchase of additional common units			78,393
Receipt of excess cash distributions			(19,786)		(15,093)	(11,233)
Receipt under tax receivable agreement			(2,419)		(2,265)	(2,985)
Equity in earnings			13,842		9,550	9,347
Ending Balance			275,592		200,550	189,995
Deferred Revenue
Schedule Of Equity Method Investments [Line Items]
Beginning Balance			(351,706)		(343,928)	(342,134)
Impact of adoption of ASC Topic 606	[2]		53,605
Receipt of common units due to annual common unit adjustment			(5,012)		(18,363)	(11,111)
Ending Balance			(287,349)		(351,706)	(343,928)
Deferred Revenue | NCM
Schedule Of Equity Method Investments [Line Items]
Receipt of common units due to annual common unit adjustment			5,012
Amortization of deferred revenue			15,764	[2]	10,585	9,317
Distributions from NCM
Schedule Of Equity Method Investments [Line Items]
Beginning Balance			(16,407)		(14,656)
Receipt of excess cash distributions			(13,231)		(14,158)	(11,483)
Receipt under tax receivable agreement			(2,158)		(2,249)	(3,173)
Ending Balance			(15,389)		(16,407)	(14,656)
Equity in Earnings
Schedule Of Equity Method Investments [Line Items]
Beginning Balance			(9,550)		(9,347)
Ending Balance			(13,842)		(9,550)	(9,347)
Equity in Earnings | NCM
Schedule Of Equity Method Investments [Line Items]
Equity in earnings			(13,842)		(9,550)	(9,347)
Other Revenue
Schedule Of Equity Method Investments [Line Items]
Total Revenues			(21,859)		(20,365)
Revenues earned under ESA	[3]				(11,274)	(11,048)
Total Revenues			(47,631)		(21,859)	(20,365)
Revenues earned under ESA	[3],[4]		(31,867)
Other Revenue | NCM
Schedule Of Equity Method Investments [Line Items]
Amortization of deferred revenue			(15,764)	[2]	(10,585)	(9,317)
Interest Expense - NCM
Schedule Of Equity Method Investments [Line Items]
Ending Balance	[4]		19,724
Revenues earned under ESA	[3],[4]		19,724
Cash Received (Paid)
Schedule Of Equity Method Investments [Line Items]
Total Cash Received			45,039		39,922
Revenues earned under ESA	[3]				11,274	11,048
Receipt of excess cash distributions			33,017		29,251	22,716
Receipt under tax receivable agreement			4,577		4,514	6,158
Total Cash Received			49,737		$ 45,039	$ 39,922
Revenues earned under ESA	[3],[4]		$ 12,143

[1] Includes the cumulative effect of accounting change of $53,605 recorded on January 1, 2018 and the full year impact of the change in amortization method of $4,104 during the year ended December 31, 2018.

[2] As a result of adoption of ASC Topic 606, the Company determined that the deferred revenue associated with the ESA and CUA agreement should be amortized on a straight-line basis versus the units of revenue method followed prior to adoption. The Company recorded a reduction in the deferred revenue balance and a cumulative effect of a change in accounting principle in retained earnings. See Note 3 for further discussion of the impact of the adoption of ASC Topic 606.

[3] Amounts include the per patron and per digital screen theatre access fees due to the Company, net of amounts due to NCM for on-screen advertising time provided to the Company’s beverage concessionaire. The amounts due to NCM for on-screen advertising time provided to the Company’s beverage concessionaire were approximately $10,523, $11,110 and $11,965 for the years ended December 31, 2016, 2017 and 2018, respectively.

[4] Reflects the impact of significant financing component related to amounts received in advance under the ESA and CUA agreement. See Note 3.