Document And Entity Information - USD ($) | 12 Months Ended | | |
Dec. 31, 2023 | Apr. 29, 2024 | Jun. 30, 2023 |
Document Type | 10-K/A | | |
Document Annual Report | true | | |
Document Transition Report | false | | |
Document Period End Date | Dec. 31, 2023 | | |
Document Fiscal Year Focus | 2023 | | |
Current Fiscal Year End Date | --12-31 | | |
Document Fiscal Period Focus | FY | | |
Entity File Number | 1-8625 | | |
Entity Registrant Name | Reading International, Inc. | | |
Entity Incorporation, State or Country Code | NV | | |
Entity Tax Identification Number | 95-3885184 | | |
Entity Address, Address Line One | 189 Second Avenue | | |
Entity Address, Address Line Two | Suite 2S | | |
Entity Address, City or Town | New York | | |
Entity Address, State or Province | NY | | |
Entity Address, Postal Zip Code | 10003 | | |
City Area Code | 213 | | |
Local Phone Number | 235-2240 | | |
Entity Central Index Key | 0000716634 | | |
Entity Well-known Seasoned Issuer | No | | |
Entity Voluntary Filers | No | | |
Entity Current Reporting Status | Yes | | |
Entity Interactive Data Current | Yes | | |
Entity Filer Category | Non-accelerated Filer | | |
Entity Small Business | true | | |
Entity Emerging Growth Company | false | | |
ICFR Auditor Attestation Flag | true | | |
Document Financial Statement Error Correction [Flag] | false | | |
Entity Shell Company | false | | |
Entity Public Float | | | $ 55,076,349 |
Documents Incorporated by Reference | Documents Incorporated by Reference None. | | |
Amendment Flag | false | | |
Class A [Member] | | | |
Title of 12(b) Security | Class A Non-Voting Common Stock, $0.01 Par Value | | |
Trading Symbol | RDI | | |
Security Exchange Name | NASDAQ | | |
Entity Common Stock, Shares Outstanding | | 20,745,804 | |
Class B [Member] | | | |
Title of 12(b) Security | Class B Voting Common Stock, $0.01 Par Value | | |
Trading Symbol | RDIB | | |
Security Exchange Name | NASDAQ | | |
Entity Common Stock, Shares Outstanding | | 1,680,590 | |