Document And Entity Information	3 Months Ended
	Mar. 31, 2012	May 08, 2012 Class A Non-Voting Common Stock [Member]	May 08, 2012 Class B Voting Common Stock [Member]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q1
Trading Symbol	rdi
Entity Registrant Name	READING INTERNATIONAL INC
Entity Central Index Key	0000716634
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		21,507,273	1,495,490