Earnings (Loss) Per Share (Calculation Of Earnings (Loss) Per Share) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Earnings (Loss) Per Share [Abstract]
Income (loss) from continuing operations									$ 9,041	$ (509)	$ 8,068
Income (loss) from discontinued operations										(405)	1,888
Net income (loss) attributable to Reading International, Inc. common shareholders	$ 3,181	$ 2,393	$ 4,135	$ (668)	$ (1,277)	$ 363	$ 239	$ (239)	$ 9,041	$ (914)	$ 9,956
Earnings (loss) from continuing operations									$ 0.39	$ (0.02)	$ 0.36
Earnings (loss) from discontinued operations, net										$ (0.02)	$ 0.08
Basic income (loss) per share attributable to Reading International, Inc. shareholders	$ 0.14	$ 0.10	$ 0.18	$ (0.03)	$ (0.06)	$ 0.02	$ 0.01	$ (0.01)	$ 0.39	$ (0.04)	$ 0.44
Earnings (loss) from continuing operations									$ 0.38	$ (0.02)	$ 0.35
Earnings (loss) from discontinued operations, net										$ (0.02)	$ 0.08
Diluted income (loss) per share attributable to Reading International, Inc. shareholders	$ 0.13	$ 0.10	$ 0.18	$ (0.03)	$ (0.06)	$ 0.02	$ 0.01	$ (0.01)	$ 0.38	$ (0.04)	$ 0.43
Weighted average shares of common stock - basic									23,348,003	23,028,596	22,764,666
Weighted average shares of common stock - diluted									23,520,271	23,028,596	22,993,135