Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Consolidated Statements Of Comprehensive Income [Abstract]
Net income (loss)	$ (22,887)	$ 2,294	$ (28,843)	$ 154
Foreign currency translation gain (loss)	10,655	(2,279)	(5,051)	(753)
Gain (loss) on cash flow hedges	10	(122)	(205)	(191)
Others	51	55	84	108
Comprehensive income (loss)	(12,171)	(52)	(34,015)	(682)
Less: net income (loss) attributable to noncontrolling interests	(185)	(37)	(266)	(53)
Less: comprehensive income (loss) attributable to noncontrolling interests	(9)	(1)	(9)
Comprehensive income (loss) attributable to Reading International, Inc.	$ (11,977)	$ (14)	$ (33,740)	$ (629)