Significant Accounting Policies - Additional Information (Detail)	3 Months Ended						12 Months Ended
	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)	Dec. 31, 2015 USD ($) Theatre Segment	Dec. 31, 2014 USD ($) Theatre	Dec. 31, 2013 USD ($)
Significant Accounting Policies [Line Items]
Revenue recognized related to unredeemed gift cards and other advanced sale certificates	$ 3,055,000						$ 3,581,000	$ 1,081,000	$ 500,000
Number of operating segment | Segment							1
Credit and debit transaction, amount due from bank	4,580,000				$ 3,128,000		$ 4,580,000	3,128,000
Allowance for doubtful accounts	0				0		0	0
Building and building improvements under financing lease at cost	955,088,000				939,881,000		955,088,000	939,881,000
Accumulated depreciation	470,482,000				438,378,000		470,482,000	438,378,000
Goodwill	151,716,000				125,515,000		151,716,000	125,515,000	74,377,000
Impairment charges	4,271,000	$ 1,388,000	$ 481,000	$ 1,389,000	1,655,000	$ 1,198,000	$ 7,529,000	$ 3,212,000	3,726,000
Number of operating theaters | Theatre							1	1
Deferred revenue amortization period							30 years
Advertising expenses							$ 2,452,000	$ 2,927,000	$ 2,674,000
Building and Building Improvements Under Finance Lease [Member]
Significant Accounting Policies [Line Items]
Building and building improvements under financing lease at cost	148,245,000				152,244,000		148,245,000	152,244,000
Accumulated depreciation	$ 45,933,000				$ 41,409,000		$ 45,933,000	$ 41,409,000
Minimum [Member]
Significant Accounting Policies [Line Items]
Film exhibition cost accrual period							30 days
Settlement completion period of film exhibition							3 weeks
Non cancellable lease agreement, initial lease term							15 years
Maximum [Member]
Significant Accounting Policies [Line Items]
Film exhibition cost accrual period							60 days
Settlement completion period of film exhibition							4 weeks
Non cancellable lease agreement, initial lease term							20 years