Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Consolidated Statements Of Comprehensive Income [Abstract]
Net income (loss)	$ (5,955)	$ (2,141)
Foreign currency translation gain (loss)	(15,698)	1,526
Gain (loss) on cash flow hedges	(214)	(69)
Others	33	53
Comprehensive income (loss)	(21,834)	(631)
Less: net income (loss) attributable to noncontrolling interests	(80)	(16)
Less: comprehensive income (loss) attributable to noncontrolling interests	(18)	1
Comprehensive income (loss) attributable to Reading International, Inc.	$ (21,736)	$ (616)