Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Consolidated Statements Of Comprehensive Income [Abstract]
Net income (loss)	$ (26,503)	$ 14,166	$ 30,876
Foreign currency translation gain (loss)	(567)	(14,903)	8,810
Gain (loss) on cash flow hedges	(115)	(137)
Others	158	149	125
Comprehensive income (loss)	(27,027)	(725)	39,811
Less: net income (loss) attributable to noncontrolling interests	(74)	132	11
Less: comprehensive income (loss) attributable to noncontrolling interests	2	(15)	19
Comprehensive income (loss) attributable to Reading International, Inc.	$ (26,955)	$ (842)	$ 39,781