Earnings (Loss) Per Share (Calculation Of Earnings (Loss) Per Share) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Earnings (Loss) Per Share [Abstract]
Net income (loss) from continuing operations	$ 2,393	$ 604	$ 5,860	$ 482
Income from discontinued operations		(241)		(121)
Net income (loss) attributable to Reading International, Inc. common shareholders	$ 2,393	$ 363	$ 5,860	$ 361
Earnings from continuing operations	$ 0.10	$ 0.03	$ 0.25	$ 0.03
Loss from discontinued operations, net	$ 0.00	$ (0.01)	$ 0.00	$ (0.01)
Basic earnings per share attributable to Reading International, Inc. shareholders	$ 0.10	$ 0.02	$ 0.25	$ 0.02
Earnings from continuing operations	$ 0.10	$ 0.03	$ 0.25	$ 0.03
Loss from discontinued operations, net	$ 0.00	$ (0.01)	$ 0.00	$ (0.01)
Diluted earnings per share attributable to Reading International, Inc. shareholders	$ 0.10	$ 0.02	$ 0.25	$ 0.02
Weighted average shares of common stock – basic	23,383,200	23,071,846	23,333,352	23,007,787
Weighted average shares of common stock – dilutive	23,517,191	23,293,886	23,467,343	23,229,827