Document And Entity Information (USD $)	12 Months Ended
	Dec. 31, 2012	Jun. 30, 2012	Mar. 18, 2013 Class A [Member]	Mar. 18, 2013 Class B [Member]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	FY
Entity Registrant Name	READING INTERNATIONAL INC
Trading Symbol	rdi
Entity Central Index Key	0000716634
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Well-known Seasoned Issuer	No
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Common Stock, Shares Outstanding			21,805,665	1,495,490
Entity Public Float		$ 93,911,612