Intangible Assets-Net (Detail) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2017		Dec. 31, 2016
Intangible Assets Net Excluding Goodwill [Abstract]
Intangible assets with finite lives, Beginning balance		$ 99,796		$ 99,968
Other, Gross carrying amount	[1]	(5,485)		(675)
Intangible assets with finite lives, Ending balance		105,895		99,796
Intangible assets with finite lives, Accumulated amortization, Beginning balance		(64,606)		(59,706)
Accumulated amortization additions		0	[2]	0	[3]
Accumulated amortization		(5,563)		(5,538)
Other Accumulated Amortization of Intangible Assets	[1]	1,300		638
Intangible assets with finite lives, Accumulated amortization, Ending balance		(68,869)		(64,606)
Net intangible assets with finite lives, Beginning balance		35,190		40,262
Intangible assets with finite lives, additions		11,584	[2]	503	[3]
Amortization, intangible assets		(5,563)		(5,538)
Other, Finite lived intangible assets	[1]	(4,185)		(37)
Net intangible assets with finite lives, Ending balance		37,026		35,190
Indefinite-lived Intangible Assets, Tradename, Beginning Balance		299,709		299,382
Indefinite lived intangible assets, additions		0	[2]	0	[3]
Other, Tradename	[1]	26		327
Indefinite-lived Intangible Assets, Tradename, Ending Balance		299,735		299,709
Total intangible assets - net, Beginning balance		334,899		339,644
Other, Total intangible assets - net	[1]	(4,159)		290
Total intangible assets - net, Ending balance		$ 336,761		$ 334,899

[1] Amounts represent foreign currency translation adjustments and the write-off of certain lease intangibles for theatre closures and lease amendments.

[2] Amounts represent fair values allocated to intangible assets acquired as part of acquisitions of theatres in the U.S. and international markets.

[3] Activity for 2016 reflects addition of non-compete agreement and favorable lease associated with theatres acquired in the U.S.