Noncontrolling Interests (Summary Of Changes In Controlling And Noncontrolling Stockholders’ Equity) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Noncontrolling Interest [Line Items]
Balance	[1]			$ 137,196
Net income (loss)		$ 3,917	$ 327	9,066	$ 19,436
Distributions to noncontrolling stockholders				(194)	(139)
Accumulated other comprehensive income (loss)		(8)	(37)	(14)	(59)
Balance		156,211		156,211
Reading International Inc. Stockholders Equity [Member]
Noncontrolling Interest [Line Items]
Balance				132,865	127,686
Net income (loss)				9,054	19,496
Increase in additional paid in capital				447	2,242
Treasury stock purchased					(4,942)
Contributions from noncontrolling stockholders - SHP
Distributions to noncontrolling stockholders
Accumulated other comprehensive income (loss)				9,414	(27,675)
Balance		151,780	116,807	151,780	116,807
Noncontrolling Stockholders' Equity [Member]
Noncontrolling Interest [Line Items]
Balance				4,331	4,612
Net income (loss)				12	(60)
Increase in additional paid in capital
Treasury stock purchased
Contributions from noncontrolling stockholders - SHP				268	17
Distributions to noncontrolling stockholders				(194)	(139)
Accumulated other comprehensive income (loss)				14	(59)
Balance		4,431	4,371	4,431	4,371
Total Stockholders' Equity [Member]
Noncontrolling Interest [Line Items]
Balance				137,196	132,298
Net income (loss)				9,066	19,436
Increase in additional paid in capital				447	2,242
Treasury stock purchased					(4,942)
Contributions from noncontrolling stockholders - SHP				268	17
Distributions to noncontrolling stockholders				(194)	(139)
Accumulated other comprehensive income (loss)				9,428	(27,734)
Balance		$ 156,211	$ 121,178	$ 156,211	$ 121,178

[1] Certain prior period amounts have been reclassified to conform to the current period presentation (see Note 1 - The Company and Basis of Presentation - Reclassifications)