Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	[1]	Jun. 30, 2018	Jun. 30, 2017	[1]
Consolidated Statements Of Comprehensive Income [Abstract]
Net income	$ 5,101	$ 19,052		$ 8,169	$ 22,095
Foreign currency translation (loss) gain	(7,968)	2,575		(8,771)	8,401
Other	52	52		102	100
Comprehensive income	(2,815)	21,679		(500)	30,596
Less: net income attributable to noncontrolling interests	102	20		124	32
Less: comprehensive (loss) income attributable to noncontrolling interests	(7)			(10)	13
Comprehensive (loss) income attributable to Reading International, Inc.	$ (2,910)	$ 21,659		$ (614)	$ 30,551

[1] Certain prior year balances have been reclassified to conform to the 2018 presentation (see Note 2 - Summary of Significant Accounting Policies - Reclassifications).