Condensed Consolidated Statements Of Stockholders' Equity - USD ($) $ in Thousands	Common Shares [Member] Class A [Member]	Common Shares [Member] Class B [Member]	Additional Paid-In Capital [Member]	Retained Earnings (Accumulated Deficit) [Member]	Treasury Shares [Member]	Accumulated Other Comprehensive Income/(Loss) [Member]	Reading International Inc. Stockholders' Equity [Member]	Noncontrolling Interests [Member]	Class A [Member]	Class B [Member]	Total
Balance at Dec. 31, 2024	$ 238	$ 17	$ 157,751	$ (114,790)	$ (40,407)	$ (7,173)	$ (4,364)	$ (426)			$ (4,790)
Balance, shares at Dec. 31, 2024	20,743,000	1,681,000
Net income (loss)				(4,756)			(4,756)	(191)			(4,947)
Other comprehensive income, net						452	452	1			453
Share-based compensation expense			600				600				600
Balance at Mar. 31, 2025	$ 238	$ 17	158,351	(119,546)	(40,407)	(6,721)	(8,068)	(616)			(8,684)
Balance, shares at Mar. 31, 2025	20,743,000	1,681,000
Balance at Dec. 31, 2024	$ 238	$ 17	157,751	(114,790)	(40,407)	(7,173)	(4,364)	(426)			(4,790)
Balance, shares at Dec. 31, 2024	20,743,000	1,681,000
Net income (loss)											(7,751)
Balance at Jun. 30, 2025	$ 241	$ 17	158,696	(122,213)	(40,407)	(4,017)	(7,683)	(745)			(8,428)
Balance, shares at Jun. 30, 2025	21,034,000	1,681,000
Balance at Mar. 31, 2025	$ 238	$ 17	158,351	(119,546)	(40,407)	(6,721)	(8,068)	(616)			(8,684)
Balance, shares at Mar. 31, 2025	20,743,000	1,681,000
Net income (loss)				(2,667)			(2,667)	(137)			(2,804)
Other comprehensive income, net						2,704	2,704	8			2,712
Share-based compensation expense			530				530				530
Restricted Stock Units	$ 3		(185)				(182)				(182)
Restricted Stock Units, shares	291,000
Balance at Jun. 30, 2025	$ 241	$ 17	158,696	(122,213)	(40,407)	(4,017)	(7,683)	(745)			(8,428)
Balance, shares at Jun. 30, 2025	21,034,000	1,681,000
Balance at Dec. 31, 2025	$ 241	$ 17	155,454	(128,930)	(40,407)	(4,614)	(18,239)	141			(18,098)
Balance, shares at Dec. 31, 2025	21,034,000	1,680,000							21,036,670	1,680,590
Net income (loss)				(8,147)			(8,147)	13			(8,134)
Other comprehensive income, net						473	473	4			477
Share-based compensation expense			368				368				368
Balance at Mar. 31, 2026	$ 241	$ 17	155,822	(137,077)	(40,407)	(4,141)	(25,545)	158			(25,387)
Balance, shares at Mar. 31, 2026	21,034,000	1,680,000
Balance at Dec. 31, 2025	$ 241	$ 17	155,454	(128,930)	(40,407)	(4,614)	(18,239)	141			(18,098)
Balance, shares at Dec. 31, 2025	21,034,000	1,680,000							21,036,670	1,680,590
Net income (loss)											(5,820)
Other comprehensive income, net						84
Balance at Jun. 30, 2026	$ 243	$ 17	156,142	(134,807)	(40,407)	(4,531)	(23,343)	202			(23,141)
Balance, shares at Jun. 30, 2026	21,207,000	1,680,000							21,209,537	1,680,590
Balance at Mar. 31, 2026	$ 241	$ 17	155,822	(137,077)	(40,407)	(4,141)	(25,545)	158			(25,387)
Balance, shares at Mar. 31, 2026	21,034,000	1,680,000
Net income (loss)				2,270			2,270	44			2,314
Other comprehensive income, net						(390)	(390)				(390)
Share-based compensation expense			431				431				431
Restricted Stock Units	$ 2		(111)				(109)				(109)
Restricted Stock Units, shares	173,000
Balance at Jun. 30, 2026	$ 243	$ 17	$ 156,142	$ (134,807)	$ (40,407)	$ (4,531)	$ (23,343)	$ 202			$ (23,141)
Balance, shares at Jun. 30, 2026	21,207,000	1,680,000							21,209,537	1,680,590