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, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Earnings (Loss) Per Share [Abstract]
Net income from continuing operations	$ 3,939	$ 2,393	$ 8,481	$ 5,860
Net income attributable to Reading International, Inc. common shareholders	$ 3,939	$ 2,393	$ 8,481	$ 5,860
Basic earnings per share attributable to Reading International, Inc. shareholders	$ 0.17	$ 0.10	$ 0.36	$ 0.25
Diluted earnings per share attributable to Reading International, Inc. shareholders	$ 0.17	$ 0.10	$ 0.36	$ 0.25
Weighted average shares of common stock – basic	23,380,728	23,383,200	23,457,050	23,333,352
Weighted average shares of common stock – dilutive	23,678,223	23,517,191	23,754,545	23,467,343