Consolidated Statements Of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenue
Total revenue	$ 10,191	$ 70,386	$ 62,841	$ 207,886
Costs and expenses
Depreciation and amortization	(5,612)	(5,704)	(16,149)	(16,870)
General and administrative	(4,228)	(5,908)	(15,275)	(18,426)
Total costs and expenses	(27,566)	(67,546)	(109,451)	(200,677)
Operating income (loss)	(17,375)	2,840	(46,610)	7,209
Interest expense, net	(2,379)	(1,871)	(6,176)	(5,924)
Gain (loss) on sale of assets	(1)	(1)	(1)	(1)
Other income (expense)	10	141	(186)	190
Income (loss) before income tax expense and equity earnings of unconsolidated joint ventures	(19,745)	1,109	(52,973)	1,474
Equity earnings of unconsolidated joint ventures	(97)	220	(292)	581
Income (loss) before income taxes	(19,842)	1,329	(53,265)	2,055
Income tax benefit (expense)	490	(528)	5,070	(1,101)
Net income (loss)	(19,352)	801	(48,195)	954
Less: net income (loss) attributable to noncontrolling interests	(124)	(50)	(389)	(103)
Net income (loss) attributable to Reading International, Inc. common shareholders	$ (19,228)	$ 851	$ (47,806)	$ 1,057
Basic earnings (loss) per share attributable to Reading International, Inc. shareholders	$ (0.88)	$ 0.04	$ (2.20)	$ 0.05
Diluted earnings (loss) per share attributable to Reading International, Inc. shareholders	$ (0.88)	$ 0.04	$ (2.20)	$ 0.05
Weighted average number of shares outstanding-basic	21,748,531	22,546,827	21,749,146	22,791,530
Weighted average number of shares outstanding-diluted	22,098,757	22,688,230	22,099,372	22,952,838
Cinema [Member]
Revenue
Total revenue	$ 7,339	$ 66,663	$ 54,866	$ 196,885
Costs and expenses
Total costs and expenses	(15,817)	(53,709)	(71,769)	(158,273)
Real Estate [Member]
Revenue
Total revenue	2,852	3,723	7,975	11,001
Costs and expenses
Total costs and expenses	$ (1,909)	$ (2,225)	$ (6,258)	$ (7,108)