Consolidated Statements Of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenue
Revenue	$ 74,261	$ 66,116	$ 234,395	$ 208,037
Costs and expenses
Cinema	(54,929)	(49,591)	(170,183)	(153,512)
Real estate	(2,475)	(2,881)	(7,408)	(7,258)
Depreciation and amortization	(5,829)	(4,137)	(16,705)	(12,124)
General and administrative	(6,489)	(5,840)	(21,250)	(18,131)
Total costs and expenses	(69,722)	(62,449)	(215,546)	(191,025)
Operating income	4,539	3,667	18,849	17,012
Interest expense, net	(1,748)	(1,663)	(5,132)	(5,310)
Gain on sale of assets				9,417
Gain on insurance recoveries				9,217
Other (expense) income	(130)	89	(273)	937
Income before income tax expense and equity earnings of unconsolidated joint ventures	2,661	2,093	13,444	31,273
Equity earnings of unconsolidated joint ventures	80	136	667	654
Income before income taxes	2,741	2,229	14,111	31,927
Income tax expense	(1,482)	(750)	(4,618)	(8,316)
Net Income	1,259	1,479	9,493	23,611
Less: net income attributable to noncontrolling interests	(38)	(98)	88	(66)
Net income attributable to Reading International, Inc. common shareholders	$ 1,297	$ 1,577	$ 9,405	$ 23,677
Basic earnings per share attributable to Reading International, Inc. shareholders	$ 0.06	$ 0.07	$ 0.41	$ 1.02
Diluted earnings per share attributable to Reading International, Inc. shareholders	$ 0.06	$ 0.07	$ 0.41	$ 1.01
Weighted average number of shares outstanding-basic	23,006,040	22,968,017	22,988,227	23,101,619
Weighted average number of shares outstanding-diluted	23,197,924	23,212,632	23,185,021	23,346,234
Cinema [Member]
Revenue
Revenue	$ 70,671	$ 62,059	$ 223,109	$ 196,062
Real Estate [Member]
Revenue
Revenue	$ 3,590	$ 4,057	$ 11,286	$ 11,975