Document And Entity Information [Abstract] Statement [Table] Class of Stock [Axis] Class Of Stock [Domain] Class of Stock [Domain] Common Class A [Member] Class A [Member] Common Class B [Member] Class B [Member] Statement [Line Items] Document Type Document Quarterly Report Document Transition Report Entity File Number Amendment Flag Document Period End Date Document Fiscal Year Focus Current Fiscal Year End Date Document Fiscal Period Focus Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line Two Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Central Index Key Entity Filer Category Entity Current Reporting Status Entity Interactive Data Current Entity Small Business Entity Emerging Growth Company Entity Shell Company Entity Common Stock, Shares Outstanding Consolidated Balance Sheets [Abstract] Assets Abstract ASSETS Assets, Current [Abstract] Current Assets: CashAndCashEquivalentsAtCarryingValue Cash and cash equivalents Restricted Cash, Current Restricted cash Accounts Receivable, Net, Current Receivables Inventory, Net Inventories Prepaid Expense and Other Assets, Current Total prepaid and other current assets Prepaid and other current assets Assets Held-for-sale, Not Part of Disposal Group, Current Land and property held for sale Assets, Current Total current assets Total property and equipment Operating property, net Operating properties, net Operating Lease, Right-of-Use Asset Operating lease right-of-use assets Properties owned by the entity in a status of either being held for development or currently under development for the ultimate purpose to either sell or be operated by the entity. Property held for and under development Investment and development property, net Investment and development property Equity Method Investments Investment in unconsolidated joint ventures Total Joint Ventures Goodwill Ending balance Beginning balance Intangible Assets, Net (Excluding Goodwill) Intangible assets, net Net intangible assets other than goodwill Deferred Tax Assets, Net, Noncurrent Deferred tax asset, net Other Assets Noncurrent Other assets Total other non-current assets Assets Total assets LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities, Current [Abstract] Current Liabilities: Accounts Payable and Accrued Liabilities, Current Accounts payable and accrued liabilities Carrying value as of the balance sheet date of obligations incurred and payable pertaining to film product received from distributors used in the cinema exhibition business for which the invoices have yet to be paid. Film Rent Payable Film rent payable Notes Payable, Current Debt - current portion Subordinated Debt, Current Subordinated debt - current portion Taxes Payable, Current Taxes payable - current Deferred Revenue, Current Deferred revenue Operating Lease, Liability, Current Operating lease liabilities - current portion Other Liabilities, Current Other current liabilities Other current liabilities Liabilities, Current Total current liabilities Notes Payable, Noncurrent Debt - long-term portion Subordinated Long-term Debt, Noncurrent Subordinated debt - long-term portion Subordinated debt, net Deferred Tax Liabilities, Noncurrent Noncurrent tax liabilities Operating Lease, Liability, Noncurrent Operating lease liabilities - non-current portion Other Liabilities, Noncurrent Other liabilities Other non-current liabilities Liabilities Total liabilities Commitments And Contingencies 2009 Commitments and contingencies (Note 15) Stockholders' equity: Common Stock, Value, Issued Common stock Preferred Stock, Value, Issued Nonvoting preferred shares, par value $0.01, 12,000 shares authorized and no issued or outstanding shares at March 31, 2024 and December 31, 2023 Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Retained earnings/(deficits) Treasury Stock, Value Balance Balance Treasury shares Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive income Stockholders' Equity Attributable to Parent Balance Balance Total Reading International, Inc. stockholders’ equity Stockholders' Equity Attributable to Noncontrolling Interest Noncontrolling Interests Total stockholders’ equity Balance Balance Total Stockholders' Equity Liabilities And Stock holders Equity Total Liabilities and Stockholders’ Equity Common Stock, Par or Stated Value Per Share Common stock, par value Common stock, shares authorized Common stock, shares issued Common stock, shares outstanding Balance, shares Balance, shares Preferred stock, par value Preferred stock, shares authorized Preferred stock, shares issued Preferred stock, shares outstanding Consolidated Statements Of Income [Abstract] Product and Service [Axis] Products And Services [Domain] Product and Service [Domain] Cinema [Member] Cinema [Member] Cinema [Member] Real Estate Revenue [Member] Real Estate Revenue [Member] Real Estate [Member] Revenues [Abstract] Revenue Revenue Total revenue Operating Costs and Expenses [Abstract] Costs and expenses Costs and expenses Costs and expenses Depreciation and amortization Depreciation and amortization Depreciation and amortization expense General and Administrative Expense General and administrative General and administrative expense Operating Expenses Total costs and expenses Operating Income Loss Segment operating income (loss) Operating income (loss) Interest Expense Interest expense, net Gain (Loss) on Disposition of Assets (Gain) loss on sale of assets Gain (loss) on sale of assets Gain (loss) on sale of assets Other Nonoperating Income (Expense) Other income (expense) Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Cumulative Effects of Changes in Accounting Principles, Noncontrolling Interest Income (loss) before income tax expense and equity earnings of unconsolidated joint ventures Income (Loss) from Equity Method Investments Equity earnings of unconsolidated joint ventures Total equity earnings Equity earnings of unconsolidated joint ventures Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income (loss) before income taxes Income Tax Expense (Benefit) Income tax benefit (expense) ProfitLoss Net income (loss) Net income (loss) Net Income (Loss) Attributable to Noncontrolling Interest Less: net income (loss) attributable to noncontrolling interests Net income (loss) attributable to noncontrolling interests in consolidated subsidiaries Less: net income (loss) attributable to noncontrolling interests Net income Net income (loss) attributable to Reading International, Inc. Net income (loss) attributable to Reading International, Inc. Earnings Per Share, Basic Basic earnings (loss) per share Earnings Per Share, Diluted Diluted earnings (loss) per share Weighted Average Number of Shares Outstanding, Basic Weighted average number of shares outstanding-basic Weighted Average Number of Shares Outstanding, Diluted Weighted average number of shares outstanding-diluted Weighted average number of common stock – diluted Consolidated Statements Of Comprehensive Income [Abstract] Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Foreign currency translation gain (loss) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Net Of Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Net Of Tax Gain (loss) on cash flow hedges Other Comprehensive Income (Loss), Other Other Comprehensive Income (Loss), Other Other Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest Less: comprehensive income (loss) attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income (loss) Consolidated Statements Of Cash Flows [Abstract] Operating Activities Adjustments to reconcile net income (loss) to net cash provided by operating activities: Adjustments to reconcile net income (loss) to net cash flows provided by operating activities: Loss recognized on foreign currency transactions (Gain) loss recognized on foreign currency transactions Operating Lease, Right-of-Use Asset, Amortization Amortization of operating leases Finance Lease, Right-of-Use Asset, Amortization Amortization of right-of-use assets Amortization of finance leases Increase (Decrease) In Operating Leases Increase (Decrease) In Operating Leases Change in operating lease liabilities Deferred Income Taxes and Tax Credits Change in net deferred tax assets Depreciation and Amortization, Discontinued Operations Depreciation and amortization Amortization Of Actuarial Gain (Loss) Amortization Of Actuarial Gain (Loss) Other amortization Stock based compensation expense Stock based compensation expense Net changes in operating assets and liabilities: Decrease in receivables Receivables (Increase) decrease in prepaid and other assets Prepaid and other assets Increase (Decrease) In Accrued Pension Increase (Decrease) In Accrued Pension Payments for accrued pension Accounts payable and accrued expenses Increase Decrease in Film Rent Payable Increase Decrease in Film Rent Payable Film rent payable Increase (Decrease) in Income Taxes Payable Taxes payable Increase (decrease) in deferred revenues and other liabilities Increase (decrease) in deferred revenues and other liabilities Deferred revenue and other liabilities Net Cash Provided by (Used in) Operating Activities Net cash provided by (used in) operating activities Investing Activities Investing Activities Acquisitions Purchases of and additions to operating and investment properties Contributions Of Investment In Equity Method Investments Contributions Of Investment In Equity Method Investments Contributions to unconsolidated joint ventures Proceeds from Sale of Property, Plant, and Equipment Proceeds from sale of assets Net cash used in investing activities Net cash provided by (used in) investing activities Financing activities Financing Activities Repayment of long-term borrowings Repayment of borrowings Finance Lease, Principal Payments Repayment of finance lease principal Capitalized borrowing costs Capitalized borrowing costs Payments for (Proceeds from) Stock Option Exercised Payments for (Proceeds from) Stock Option Exercised (Cash paid) proceeds from the settlement of employee share transactions Net cash used in financing activities Net cash provided by (used in) financing activities Effect of exchange rate changes on cash and cash equivalents Effect of exchange rate on cash and restricted cash Increase (decrease) in cash and cash equivalents Net increase (decrease) in cash and cash equivalents and restricted cash CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents Cash and cash equivalents and restricted cash at the end of the period Cash and cash equivalents and restricted cash at the beginning of the period Total Cash and cash equivalents and restricted cash consists of: Supplemental Disclosures Interest Paid, Net Interest paid Income taxes paid Income taxes (refunded) paid Non-Cash Transactions Additions To Operating And Investing Properties Through Accrued Expenses Additions To Operating And Investing Properties Through Accrued Expenses Additions to operating and investing properties through accrued expenses The disclosure of the nature of an entity's business and the reporting segments. Description Of Business And Segment Reporting [Abstract] Description Of Business And Segment Reporting Description Of Business And Segment Reporting Summary Of Significant Accounting Policies [Abstract] Significant Accounting Policies [Text Block] Summary Of Significant Accounting Policies Impacts On Our Business Due To The Covid-19 Pandemic, The 2023 Hollywood Strikes, The Dramatic Interest Rate Rise And Increased Operating Costs, Together With Our Company’s Resources [Abstract] Impacts On Our Business Due To The Covid-19 Pandemic, The 2023 Hollywood Strikes, The Dramatic Interest Rate Rise And Increased Operating Costs, Together With Our Company’s Resources [Abstract] Impacts On Our Business Due To The Covid-19 Pandemic, The 2023 Hollywood Strikes, The Dramatic Interest Rate Rise And Increased Operating Costs, Together With Our Company’s Resources [Text Block] Impacts On Our Business Due To The Covid-19 Pandemic, The 2023 Hollywood Strikes, The Dramatic Interest Rate Rise And Increased Operating Costs, Together With Our Company’s Resources [Text Block] Impacts On Our Business Due To The Covid-19 Pandemic, The 2023 Hollywood Strikes, The Dramatic Interest Rate Rise And Increased Operating Costs, Together With Our Company’s Resources Operations In Foreign Currency [Abstract] Foreign Currency Disclosure Text Block Operations In Foreign Currency Earnings Per Share [Abstract] Earnings Per Share Text Block Earnings Per Share Property And Equipment [Abstract] Property, Plant and Equipment Disclosure [Text Block] Property And Equipment Leases [Abstract] Operating Leases [Text Block] Operating Leases [Text Block] Leases Goodwill And Intangible Assets [Abstract] Goodwill And Intangible Assets Disclosure Text Block Goodwill And Intangible Assets Investments In Unconsolidated Joint Ventures [Abstract] Equity Method Investments Disclosure [Text Block] Investments In Unconsolidated Joint Ventures Prepaid And Other Assets [Abstract] Prepaid And Other Assets [Text Block] Prepaid And Other Assets [Text Block] Prepaid And Other Assets Income Taxes [Abstract] Income Tax Disclosure Text Block Income Taxes Borrowings [Abstract] Debt Disclosure [Text Block] Borrowings Other Liabilities [Abstract] Other Liabilities Disclosure Text Block Other Liabilities Accumulated Other Comprehensive Income [Abstract] Comprehensive Income Note Text Block Accumulated Other Comprehensive Income Commitments And Contingencies [Abstract] Commitments And Contingencies Disclosure Text Block Commitments And Contingencies Non-controlling Interests [Abstract] Minority Interest Disclosure Text Block Non-controlling Interests Stock-Based Compensation and Stock Repurchase [Abstract] Equity And Stock-Based Compensation Stock-Based Compensation And Stock Repurchases Hedge Accounting [Abstract] Derivative Instruments and Hedging Activities Disclosure [Text Block] Hedge Accounting Fair Value Measurements [Abstract] Fair Value Disclosures Text Block Fair Value Measurements Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent Events Consolidation, Policy [Policy Text Block] Basis Of Consolidation Use of Estimates, Policy [Policy Text Block] Use Of Estimates Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Summary Of Results Of Operations For Principal Business Segments Summary Of Reconciliation To Net Income attributable To Common Shareholders [Table Text Block] Summary Of Reconciliation To Net Income attributable To Common Shareholders [Table Text Block] Reconciliation To Net Income Attributable To Common Shareholders Schedule of Intercompany Foreign Currency Balances [Table Text Block] Summary Of Currency Exchange Rates Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Computation Of Basic And Diluted Earnings (Loss) Per Share Schedule of Real Estate Properties [Table] Real Estate Properties [Line Items] Property, Plant and Equipment [Table Text Block] Schedule Of Property And Equipment Summary Of Property Held For And Under Development [Table Text Block] Summary Of Property Held For And Under Development [Table Text Block] Summary Of Investment And Development Property Construction-In-Progress Balance [Table Text Block] Construction-In-Progress Balance [Table Text Block] Construction-In-Progress Balance Disposal Groups, Disposed Of By Sale, Not Discontinued Operations, [Table Text Block] Disposal Groups, Disposed Of By Sale, Not Discontinued Operations, [Table Text Block] Loss On Sale Of Property Lease, Cost [Table Text Block] Components Of Lease Expense Schedule of Supplemental Cash Flow, Information Related to Leases [Table Text Block] Schedule of Supplemental Cash Flow, Information Related to Leases [Table Text Block] Supplemental Cash Flow Information Related To Leases Schedule Of Supplemental Balance Sheet, Information Related To Leases [Table Text Block] Schedule Of Supplemental Balance Sheet, Information Related To Leases [Table Text Block] Supplemental Balance Sheet Information Related To Leases Lessee, Liability, Maturity [Table Text Block] Lessee, Liability, Maturity [Table Text Block] Maturity Of Leases As Lessee Operating Lease, Lease Income [Table Text Block] Components Of Lease Income Schedule Of Book Value Of Assets [Table Text Block] Schedule Of Book Value Of Assets [Table Text Block] Book Value Of Assets Under Operating Leases From Owned Assets Lessor, Operating Lease, Payments to be Received, Maturity [Table Text Block] Maturity Of Leases As Lessor Schedule of Goodwill [Table Text Block] Summary Of Goodwill Schedule Of Intangible Assets, Excluding Goodwill [Table Text Block] Schedule Of Intangible Assets, Excluding Goodwill [Table Text Block] Summary Of Intangible Assets Other Than Goodwill Finite-lived Intangible Assets Amortization Expense [Table Text Block] Summary Of Amortization Expense Schedule of Equity Method Investments [Table Text Block] Summary Of The Investments In Unconsolidated Joint Ventures And Entities Schedule Of Earnings Loss From Equity Method Investments [Table Text Block] Schedule Of Earnings Loss From Equity Method Investments [Table Text Block] Summary Of Equity Earnings (Losses) From Investments In Unconsolidated Joint Ventures Schedule Of Prepaid And Other Assets [Table Text Block] Schedule Of Prepaid And Other Assets [Table Text Block] Summary Of Prepaid And Other Assets Schedule of Long-term Debt Instruments [Table Text Block] Summary Of Borrowings Schedule Of Long-term Debt Instruments, Net Of The Deferred Financing Costs [Table Text Block] Schedule Of Long-term Debt Instruments, Net Of The Deferred Financing Costs [Table Text Block] Schedule Of Long-term Debt Instruments, Net Of The Deferred Financing Costs Schedule of Other Assets and Other Liabilities [Table Text Block] Summary Of Other Liabilities Including Pension Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Summary Of Accumulated Other Comprehensive Income Schedule of components of Noncontrolling interests table text block. Schedule Of Components Of Noncontrolling Interests [Table Text Block] Components Of Non-controlling Interests Schedule of components of income attributable to noncontrolling interest table textBlock. Schedule Of Components Of Income Attributable To Noncontrolling Interest [Table Text Block] Components Of Income/(Loss) Attributable To Non-controlling Interest Summary of the changes in controlling and noncontrolling stockholders’ equity table text block. Summary Of Changes In Controlling And Noncontrolling Stockholders’ Equity [Table Text B lock] Summary Of Changes In Controlling And Non-controlling Stockholders’ Equity Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block] Schedule Of Stock Options Outstanding And Exercisable Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] Summary Of Restricted Stock Units Granted Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule Of Changes in Fair value Derivative Instruments, Gain (Loss) [Table Text Block] Summary Of Hedged Transactions That Affect Earnings Fair Value, Liabilities Measured on Recurring Basis [Table Text Block] Schedule Of Fair Value Carried At Cost And Measured On A Nonrecurring Basis Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table] Subsegments [Axis] Subsegments [Domain] Subsegments [Domain] Cinema Exhibition Segment [Member] Cinema Exhibition Segment [Member] Cinema Exhibition [Member] Real Estate Segment [Member] Real Estate Segment [Member] Real Estate [Member] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Operating Segments [Member] Operating Segments [Member] Intersegment Elimination [Member] Intersegment Eliminations [Member] Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] Schedule of Segment Reporting Information, by Segment [Table] Corporate Non Segment [Member] Unallocated Corporate Expense [Member] Segment Reporting Information [Line Items] Interest Income (Expense), Net Interest expense, net Impact Of Covid [Table] Impact Of Covid [Table] Impact Of Covid [Line Items] Impact Of Covid [Line Items] Federal Home Loan Bank, Advances, Interest Rate Federal funds interest rate increased Long-term Debt, Net Long-term Debt, Net Borrowings due Balance Net Total borrowings Debt, Current Debt current Bridge Loan Bridge loan Working Capital Working Capital Working capital Impairment of Intangible Assets, Finite-Lived Impairment charges against sites Currency Exchange Rates [Table] Currency Exchange Rates [Table] Currency [Axis] All Currencies [Domain] All Currencies [Domain] A U [D] Australian Dollar [Member] N Z [D] New Zealand Dollar [Member] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Spot Rate [Member] Spot Rate [Member] Spot Rate [Member] Average Rate [Member] Average Rate [Member] Average Rate [Member] Currency Exchange Rates [Line Items] Currency Exchange Rates [Line Items] Foreign Currency Exchange Rate Foreign Currency Exchange Rate Foreign currency exchange rate Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Stock Repurchased During Period, Shares Shares repurchased plan, shares Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Awards excluded from diluted earnings (loss) per share Property, Plant and Equipment [Table] Disposal Group Classification [Axis] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Disposal Group Not Discontinued Operations [Member] Disposal Group, Not Discontinued Operations [Member] Name of Property [Axis] Real Estate And Accumulated Depreciation Name Of Property [Domain] Name of Property [Domain] 2483 Trenton Avenue Williamsport Pennsylvania [Member] Trenton Avenue Williamsport Pennsylvania [Member] 2483 Trenton Avenue Williamsport Pennsylvania [Member] Culver City Los Angeles [Member] Culver City Los Angeles [Member] Culver City Los Angeles [Member] Property, Plant and Equipment, Type [Axis] Property Plant And Equipment Type [Domain] Property, Plant and Equipment, Type [Domain] Land [Member] Land [Member] Property, Plant and Equipment [Line Items] Operating Leases, Income Statement, Depreciation Expense on Property Subject to or Held-for-lease Depreciation expense for operating property Real Estate Property, Sale Price, Adjustment Real Estate Property, Sale Price, Adjustment Adjustment to sale price Real Estate Investment Property, at Cost Net book value Book value Real Estate Property Sale Price Real Estate Property Sale Price Sale price Area of Land Property book value adjustment. Property Book Value Adjustment Property book value adjustment Property, Plant and Equipment, Gross Total cost Gross balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less: accumulated depreciation Accumulated depreciation Construction-In-Progress (Including Capitalized Interest) [Member] Construction In Progress Including Capitalized Interest [Member] Construction-In-Progress (Including Capitalized Interest) [Member] Operating And Investing Properties [Member] Operating And Investing Properties [Member] Operating And Investing Properties [Member] Investment, Name [Axis] Equity Method Investee Name [Domain] Equity Method Investee, Name [Domain] Courtenay Central Development [Member] Courtenay Central Development [Member] Courtenay Central Development [Member] Cinema Developments And Improvements [Member] Cinema Developments And Improvements [Member] Cinema Developments And Improvements [Member] Other Real Estate Projects [Member] Other Real Estate Projects [Member] Other Real Estate Projects [Member] Construction in Progress, Gross Balance Balance Additions For Construction In Process Additions For Construction In Process Additions during the period Completed For Construction In Process Completed For Construction In Process Completed during the period Foreign Currency Movements Foreign Currency Movements Foreign currency translation Disposal Group, Including Discontinued Operation, Gain (Loss) On Sale, Gross Disposal Group, Including Discontinued Operation, Gain (Loss) On Sale, Gross Loss on sale, gross of direct costs Disposal Group, Including Discontinued Operation, Direct Costs Incurred Disposal Group, Including Discontinued Operation, Direct Costs Incurred Direct sale costs incurred Disposal Group, Including Discontinued Operation, Gain (Loss) On Sale, Net Disposal Group, Including Discontinued Operation, Gain (Loss) On Sale, Net Loss on sale, net of direct costs Schedule of Operating Leased Assets [Table] Statistical Measurement [Axis] Range [Member] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Operating Leased Assets [Line Items] Lessee, Operating Lease, Remaining Lease Term Remaining lease term Lessee, Operating Lease, Renewal Term Renewal term Lessor, Operating Lease, Term of Contract Lease term of contract Finance Lease, Interest Expense Interest on lease liabilities Operating Lease, Cost Operating lease cost Variable Lease, Cost (Amortized) Variable Lease, Cost (Amortized) Variable lease cost Lease, Cost Total lease cost Finance Lease, Interest Payment on Liability Operating cash flows for finance leases Operating Lease, Payments Operating cash flows for operating leases Operating Lease, Liability Total operating lease liabilities Finance Lease, Right-of-Use Asset, Gross Finance Lease, Right-of-Use Asset, Gross Property plant and equipment, gross Finance Lease, Right-of-Use Asset, Accumulated Amortization Accumulated depreciation Finance Lease, Right-of-Use Asset Property plant and equipment, net Finance Lease, Liability, Current Finance lease liabilities Other current liabilities Finance Lease, Liability, Noncurrent Finance lease liabilities Other long-term liabilities Finance Lease, Liability Total finance lease liabilities Finance Lease, Weighted Average Remaining Lease Term Weighted-average remaining lease term - finance leases Operating Lease, Weighted Average Remaining Lease Term Weighted-average remaining lease term - operating leases Finance Lease, Weighted Average Discount Rate, Percent Weighted-average discount rate - finance leases Operating Lease, Weighted Average Discount Rate, Percent Weighted-average discount rate - operating leases Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year Operating leases, 2024 Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months Operating leases, 2025 Lessee, Operating Lease, Liability, Payments, Due Year Two Operating leases, 2026 Lessee, Operating Lease, Liability, Payments, Due Year Three Operating leases, 2027 Lessee, Operating Lease, Liability, Payments, Due Year Four Operating leases, 2028 Lessee, Operating Lease, Liability, Payments, Due after Year Five Operating leases, Thereafter Lessee, Operating Lease, Liability, Payments, Due Operating leases, Total lease payments Lessee, Operating Lease, Liability, Undiscounted Excess Amount Operating leases, Less imputed interest Finance Lease, Liability, Payments, Remainder of Fiscal Year Finance leases, 2024 Finance Lease, Liability, Payments, Due Next Twelve Months Finance leases, 2025 Finance Lease, Liability, Payments, Due Finance leases, Total lease payments Finance Lease, Liability, Undiscounted Excess Amount Finance leases, Less imputed interest Operating Lease, Lease Income, Lease Payments Lease payments Operating Lease, Variable Lease Income (Expense) Operating Lease, Variable Lease Income (Expense) Variable lease payments Operating Lease, Lease Income Total lease income Property Subject to or Available for Operating Lease, by Major Property Class [Table] Major Property Class [Axis] Major Property Class [Domain] Major Property Class [Domain] Building And Building Improvements [Member] Building And Improvements [Member] Property Subject to or Available for Operating Lease [Line Items] Lessor, Operating Lease, Payments to be Received, Remainder of Fiscal Year 2024 Lessor, Operating Lease, Payments to be Received, Next Twelve Months 2025 Lessor, Operating Lease, Payments to be Received, Two Years 2026 Lessor, Operating Lease, Payments to be Received, Three Years 2027 Lessor, Operating Lease, Payments to be Received, Four Years 2028 Lessor, Operating Lease, Payments to be Received, Thereafter Thereafter Lessor, Operating Lease, Payments to be Received Total Schedule of Finite-Lived Intangible Assets by Major Class [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite Lived Intangible Assets Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Trade Names [Member] Trade Name [Member] Other Intangible Assets [Member] Other Intangible Assets [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Asset, Useful Life Intangible assets estimated useful life Finite-Lived Intangible Assets, Amortization Expense Intangible assets amortization Amortization expense of intangibles assets Schedule of Goodwill [Table] Statement, Business Segments [Axis] Segment [Domain] Segment [Domain] Business Segment, Cinema [Member] Business Segment Cinema [Member] Cinema [Member] Business Segment, Real Estate [Member] Business Segment Real Estate [Member] Real Estate [Member] Goodwill [Line Items] Goodwill, Translation Adjustments Foreign currency translation adjustment Schedule of Finite-Lived Intangible Assets [Table] Beneficial Leases [Member] Beneficial Leases [Member] Beneficial Leases [Member] Finite-Lived Intangible Assets, Gross Gross carrying amount Finite-Lived Intangible Assets, Accumulated Amortization Less: accumulated amortization Finite-Lived Intangible Assets, Impairment Charges Finite-Lived Intangible Assets, Impairment Charges Less: impairment Beneficial Lease [Member] Beneficial Lease [Member] Beneficial Lease Amortization [Member] Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Line Items] Number Of Joint Venture Investments Number Of Joint Venture Investments Number of joint venture investments Rialto Cinemas [Member] Rialto Cinemas [Member] Rialto Cinemas [Member] Mt. Gravatt Cinema [Member] Mt Gravatt Cinema [Member] Mt. Gravatt [Member] Equity Method Investment, Ownership Percentage Interest Prepaid Expense, Current Prepaid expenses Prepaid Taxes Prepaid taxes Income Taxes Receivable, Current Income taxes receivable Deposits Assets, Current Deposits Marketable Securities Current Investments in marketable securities Other Non Cinema And Non Rental Real Estate Assets Other Non Cinema And Non Rental Real Estate Assets Other non-cinema and non-rental real estate assets The company's required investment in its own trust preferred securities as prescribed by the trust agreement. Investment In Internal Trust Investment in Reading International Trust I Straight-Line Rent Asset Straight Line Rent Asset Straight-line rent asset Deposits Assets, Noncurrent Long-term deposits Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Effective tax rate Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument Name [Domain] Debt Instrument, Name [Domain] United States Bank Of America Credit Facility [Member] United States Bank Of America Credit Facility [Member] Bank Of America Credit Facility [Member] Floor Rate [Member] Floor Rate [Member] Floor Rate [Member] Debt Instrument [Line Items] Line of Credit Facility, Maximum Borrowing Capacity Line of credit facility, maximum borrowing capacity Facility Limit Debt Instrument, Face Amount Debt, face amount Debt Instrument, Basis Spread on Variable Rate Spread on variable interest rate Spread on variable rate Debt Instrument, Periodic Payment Debt Instrument, Quarterly repayment Debt Instrument, Periodic Payment, Principal Principal payment Debt Instrument, Payment In Kind Interest Rate Debt Instrument, Payment In Kind Interest Rate Payment in kind interest rate Debt Instrument, Maturity Date Maturity date Maturity Date Debt Instrument, Interest Rate, Stated Percentage Interest rate Interest rate Minetta and Orpheum Theatres Loan [Member] Minetta And Orpheum Theatres Loan [Member] Minetta And Orpheum Theatres Loan [Member] US Cinemas 1, 2, 3 Term Loan [Member] United State Cinemas One Two Three Term Loan [Member] US Cinema 1, 2, 3 Term Loan [Member] Ownership [Axis] Ownership [Domain] Ownership [Domain] Sutton hill properties member. Sutton Hill Properties [Member] Sutton Hill Properties, LLC [Member] Noncontrolling Interest, Ownership Percentage by Parent Ownership percentage by parent Debt Instrument Floor Interest Rate Debt Instrument Floor Interest Rate Line of Credit Facility [Axis] Line Of Credit Facility Lender [Domain] Line of Credit Facility, Lender [Domain] Emerald Creek Capital [Member] Emerald Creek Capital [Member] Emerald Creek Capital [Member] Number Of Properties Number Of Properties Number of properties Debt Instrument, Term Debt instrument term Line of credit facility, term Long-term Line of Credit Line of credit Purchase Money Promissory Note [Member] Purchase Money Promissory Note [Member] Purchase Money Promissory Note [Member] Stock Repurchase Program, Payment To Repurchase Shares Stock Repurchase Program, Payment To Repurchase Shares Payment to repurchase shares United State Corporate Office Term Loan [Member] United State Corporate Office Term Loan [Member] U.S. Corporate Office Term Loan [Member] Debt Instrument Contractual Facility Borrowing Capacity Debt Instrument Contractual Facility Borrowing Capacity Contractual Facility Contractual facility New Zealand Corporate Credit Facility [Member] New Zealand Corporate Credit Facility [Member] Westpac Bank Corporate Credit Facility [Member] Bank Bill Swap Bid Rate [Member] Bank Bill Swap Bid Rate [Member] Bank Bill Swap Bid Rate [Member] National Australia Bank Guarantee Facility [Member] National Australia Bank Guarantee Facility [Member] NAB Guarantee Facility [Member] National Australia Bank Australian Corporate Term Loan And Revolver Tier Three [Member] National Australia Bank Australian Corporate Term Loan And Revolver Tier Three [Member] Australian NAB Corporate Loan Facility Tier 3 [Member] Australian NAB Bank Guarantee Facility Tier 3 [Member] Australian Nab Bank Guarantee Facility Tier3 [Member] Australian NAB Bank Guarantee Facility Tier 3 [Member] Corporate Loan Facility [Member] Corporate Loan Facility [Member] Corporate Loan Facility [Member] Bank Guarantee Facility [Member] Bank Guarantee Facility [Member] Bank Guarantee Facility [Member] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility [Member] Revolving Credit Facility [Member] Trust preferred securities [Member] Trust Preferred Securities [Member] Trust Preferred Securities [Member] United States Union Square Line Of Credit [Member] United States Union Square Line Of Credit [Member] Union Square Construction Financing [Member] National Australia Bank Australian Corporate Term Loan [Member] National Australia Bank Australian Corporate Term Loan [Member] NAB Australian Corporate Term Loan [Member] National Australia Bank Australian Corporate Loan Facility [Member] National Australia Bank Australian Corporate Loan Facility [Member] NAB Corporate Loan Facility [Member] Long-term Debt, Gross Balance Gross Debt Instrument, Interest Rate During Period Stated Interest Rate Debt Instrument, Interest Rate, Effective Percentage Effective Interest Rate Deferred Finance Costs, Noncurrent, Net Deferred financing costs, net Defined Benefit Plan, Service Cost Service cost Defined Benefit Plan, Interest Cost Interest cost Defined Benefit Plan, Actuarial Gain (Loss) Actuarial loss (gain) Defined Benefit Pension Plan, Liabilities Accrued pension costs included in other liabilities Pension And Other Liabilities [Abstract] Lease Liability, Acquisition, Current Lease Liability, Acquisition, Current Lease liability Defined Benefit Pension Plan Liabilities, Current Accrued pension Deposit Liability, Current Security deposit payable Other Sundry Liabilities, Current Other Lease Make-good Provision Lease Make-good Provision Lease make-good provision Defined Benefit Pension Plan, Liabilities, Noncurrent Accrued pension Deferred Rent Liability, Noncurrent Deferred Rent Liability, Noncurrent Deferred rent liability Environmental Reserve, Noncurrent Environmental Reserve, Noncurrent Environmental reserve Acquired Leases, Noncurrent Acquired Leases, Noncurrent Acquired leases Accumulated Other Comprehensive Income (Loss) [Table] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Accumulated Translation Adjustment [Member] Foreign Currency Items [Member] Accumulated Net Unrealized Investment Gain Loss [Member] Unrealized Gain (Losses) On Available-For-Sale Investments [Member] Accumulated Defined Benefit Plans Adjustment [Member] Accrued Pension Service Costs [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Other Comprehensive Income (Loss), Net of Tax Other comprehensive income, net Net current-period other comprehensive income (loss) Noncontrolling Interest [Table] Australia country cinemas member. Australia Country Cinemas [Member] Australian Country Cinemas, Pty Ltd [Member] Shadow View Land And Farming LLC [Member] Shadow View Land And Farming Llc [Member] Shadow View Land And Farming, LLC [Member] Sutton Hill Capital, LLC [Member] Sutton Hill Capital Llc [Member] Sutton Hill Capital, LLC [Member] Noncontrolling Interest [Line Items] Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners Ownership percentage by noncontrolling interest Legal Entity [Axis] Entity [Domain] Entity [Domain] Noncontrolling interests in consolidated subsidiaries. Noncontrolling Interests In Consolidated Subsidiaries Net income (loss) attributable to non-controlling interests in consolidated subsidiaries Common Stock Shares Outstanding [Member] Common Stock Shares Outstanding [Member] Common Stock Shares Outstanding [Member] Additional Paid In Capital [Member] Additional Paid-In Capital [Member] Retained Earnings [Member] Retained Earnings (Accumulated Deficit) [Member] Treasury Stock Common [Member] Treasury Shares [Member] Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Income/(Loss) [Member] Parent [Member] Reading International Inc. Stockholders' Equity [Member] Noncontrolling Interest [Member] Noncontrolling Interests [Member] Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition Share-based compensation expense Stock Issued During Period, Value, Restricted Stock Award, Gross Restricted Stock Units Stock Issued During Period, Shares, Restricted Stock Award, Gross Restricted Stock Units, shares Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Title of Individual [Axis] Title Of Individual With Relationship To Entity [Domain] Title of Individual with Relationship to Entity [Domain] Executive Officer [Member] Executive Officer [Member] Director [Member] Directors [Member] Management [Member] Management [Member] Award Type [Axis] Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Share-based Compensation Arrangements by Share-based Payment Award, Award Type and Plan Name [Domain] Restricted Stock Units R S U [Member] Restricted Stock Units (RSUs) [Member] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Two Thousand Twenty Stock Incentive Plan [Member] Two Thousand Twenty Stock Incentive Plan [Member] 2020 Stock Incentive Plan [Member] Derivative Instrument Risk [Axis] Derivative Contract Type [Domain] Derivative Contract Type [Domain] Stock Option [Member] Stock Option [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Allocated Share-based Compensation Expense Compensation expense Treasury Stock, Common, Value Repurchase value Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized Unrecognized estimated compensation cost related to non-vested stock options granted Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition Recognition period of unrecognized compensation cost Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period, Maximum Vesting period of stock options and RSU Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Common Stock authorized for issuance Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized Additional shares authorized Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value value of all options outstanding, vested and expected to vest Percentage Of Shares Vested Percentage Of Shares Vested Percentage of shares vested Treasury Stock Acquired, Average Cost Per Share Share price Share Conversion Ratio Share Conversion Ratio Share conversion ratio Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Number of options, Granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Number of Stock Options, Granted Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Stock option expiry period Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Number of Stock Options Outstanding, Ending balance Number of Stock Options, Beginning balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Number of Stock Options, Forfeited Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted Average Exercise Price of Options Outstanding, Ending price Weighted Average Exercise Price of Options Outstanding, Beginning price Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted Average Exercise Price of Options Outstanding, Granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term Weighted Average Remaining Years of Contractual Life Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Number of options, Vesting Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Number of options, Unvested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Number of options, Forfeited Derivative Instruments, Gain (Loss) [Table] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated As Hedging Instrument [Member] Designated as Hedging Instrument [Member] Interest Rate Contract [Member] Interest Rate Contracts [Member] Derivative Instruments, Gain (Loss) [Line Items] Derivative, Gain (Loss) on Derivative, Net Amount of Loss Recognized in Income on Derivatives Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Amount of Loss Recognized in Income on Derivatives (Effective Portion) Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Loss Reclassified from OCI into Income (Effective Portion) Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Amount of transfers of financial instruments classified in shareholders' equity measured on a recurring basis betwee level 1, 2, 3 of the fair value hierarchy. Fair Value, Equity, Between Levels One, Two, Three Transfers, Amount Transfers of assets and liabilities between level 1, 2, 3 Financial Liabilities Fair Value Disclosure Financial liabilities Financial liabilities total Measurement Basis [Axis] Portion At Fair Value Fair Value Disclosure [Member] Portion at Fair Value Measurement [Member] Carrying Reported Amount Fair Value Disclosure [Member] Carrying Value [Member] Measurement Frequency [Axis] Fair Value Measurement Frequency [Domain] Measurement Frequency [Domain] Fair Value Measurements Nonrecurring [Member] Nonrecurring [Member] Fair Value, Hierarchy [Axis] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Inputs Level3 [Member] Level 3 [Member] Notes Payable, Fair Value Disclosure Notes payable Subordinated Debt Obligations, Fair Value Disclosure Subordinated debt Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Subsequent Event [Line Items] Line Of Credit, Number Of Extension Options Exercised Line Of Credit, Number Of Extension Options Exercised Number of extension options exercised Line Of Credit Extension Period Line Of Credit Extension Period Extension period Insider Trading Arrangements [Line Items] Rule 10b5-1 Arrangement Adopted [Flag] Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Non-Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Terminated [Flag] Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Non-Rule 10b5-1 Arrangement Terminated Disposal Group Disposed Of By Sale Not Discontinued Operations [Member] Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Disposal Group Heldforsale Not Discontinued Operations [Member] Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] Leasehold Improvements [Member] Leasehold Improvements [Member] Furniture And Fixtures [Member] Fixtures And Equipment [Member] Construction In Progress [Member] Construction-In-Progress [Member] Geographical [Axis] Segment Geographical [Domain] Segment, Geographical [Domain] Los Angeles Member Los Angeles [Member] Los Angeles [Member] Prime Rate [Member] Prime Rate [Member] Scenario [Axis] Scenario Unspecified [Domain] Scenario, Unspecified [Domain] Scenario Forecast [Member] Scenario, Forecast [Member] Secured Overnight Financing Rate Sofr Overnight Index Swap Rate [Member] Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] Core Facility [Member] Core Facility [Member] Core Facility [Member] Chief Executive Officer [Member] Chief Executive Officer [Member] Award Date [Axis] Award Date [Domain] Award Date [Domain] Award Date 11 [Member] Award Date11 [Member] Award Date 11 [Member] Award Date 10 [Member] Award Date10 [Member] Award Date 10 [Member] Award Date 12 [Member] Award Date12 [Member] Award Date 12 [Member] Award Date 9 [Member] Award Date9 [Member] Award Date 9 [Member] Award Date 8 [Member] Award Date8 [Member] Award Date 8 [Member] Vesting [Axis] Vesting [Domain] Vesting [Domain] Share Based Compensation Award Tranche One [Member] Tranche One [Member] Share Based Compensation Award Tranche Two [Member] Tranche Two [Member]