Related Party Transactions [Abstract] Related Party Transactions [Abstract] 2022 Finance Lease, Liability, Payments, Due Year Four Total equity Beginning balance Ending balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Co-Venture Arrangement [Abstract] Co-Venture Arrangement [Abstract] Co-Venture Arrangement [Abstract] Other assets Other Assets [Member] Fashion Outlets of Niagara Falls USA Fashion Outlets at Niagara Mortgage [Member] Mortgage note payable on the Fashion Outlets at Niagara pledged as collateral, bearing interest at 6.46 percent and maturing in 2016. Land Land [Member] Loss on sale or write down of assets, net Equity Method Investment, Summarized Financial Information, Gain (Loss) on Sale and Remeasurement of Assets Represents the amount of gain or loss resulting from either the difference between the carrying value and the sales price or remeasurement of the carrying value of assets during the period, reported by an equity method investment of the entity. Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Outstanding borrowings under the line of credit Long-term Line of Credit Net increase in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect 2020 Finance Lease, Liability, Payments, Due Year Two Pacific View Pacific View Mortgage [Member] Mortgage note payable on the Pacific View property pledged as collateral. Interest expense capitalized Interest Costs Capitalized Other liabilities Equity Method Investment, Summarized Financial Information, Other Liabilities The aggregate carrying amount of other liabilities not separately disclosed, reported by an equity method investment of the entity. Shopping center and operating expenses Equity Method Investment, Summarized Financial Information, Cost of Real Estate Revenue This element represents the total of the costs related to real estate revenues reported for the period by an equity method investment of the entity. Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Variable interest rate spread, contingent (as a percent) Debt Instrument, Contingent on Certain Conditions, Basis Spread on Variable Rate Debt Instrument, Contingent on Certain Conditions, Basis Spread on Variable Rate Number of management companies (in entities) Number of Real Estate Management Companies Represents the number of management companies through which the entity provides property management, leasing and redevelopment for its real estate portfolio. Distributions in excess of investments in unconsolidated joint ventures Liabilities—Distributions in excess of investments in unconsolidated joint ventures Investments in Unconsolidated Joint Ventures. The carrying amount of liabilities resulting from investments in unconsolidated real estate and joint ventures not separately presented as of the balance sheet date. Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Deferred rent receivable due to straight-line rent adjustments Deferred Rent Receivables, Net Operating expenses Cost of Goods and Services Sold Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Name of Property [Domain] Name of Property [Domain] Current Fiscal Year End Date Current Fiscal Year End Date Proceeds from sale of assets Proceeds from Sale of Partnership Interests Other Assets and Discontinued Operations, Net Cash inflows from the sale of partnership interests, other assets, and discontinued operations. Total revenues Revenues Wilton Mall Wilton Mall [Member] Wilton Mall Oaks, The The Oaks One Mortgage [Member] Mortgage note payable on the Oaks property pledged as collateral. Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Entity Address, Postal Zip Code Entity Address, Postal Zip Code Proceeds from mortgages, bank and other notes payable Proceeds from Issuance of Long-term Debt and Capital Securities, Net Schedule of Subsidiary of Limited Liability Company or Limited Partnership [Table] Schedule of Subsidiary of Limited Liability Company or Limited Partnership [Table] Property, net Equity Method Investment, Summarized Financial Information, Real Estate Investment Property, Net The net book value of real estate investment property reported by an equity method investment of the entity. Balance at beginning of period (in shares) Balance at end of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Revolving line of credit Line of Credit Facility, Maximum Borrowing Capacity Allocated values of leases Acquired Finite-Lived Intangible Assets [Line Items] Straight-line rent and amortization of above and below market leases Straight Line Rent Adjustments and Amortization of above and below Market Leases Straight Line Rent Adjustments and Amortization of above and below Market Leases Less imputed interest Finance Lease, Liability, Undiscounted Excess Amount Contribution from noncontrolling interests Proceeds from Noncontrolling Interests LIBOR London Interbank Offered Rate (LIBOR) [Member] Combined and condensed statements of operations of unconsolidated joint ventures Equity Method Investments, Summarized Financial Information Statement of Operations [Table Text Block] Disclosure of summarized statement of operations information for investments accounted for using the equity method of accounting. Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Interest rate spread over basis Debt Instrument, Basis Spread on Variable Rate Other Interest Expense, Other Total assets Assets Assets Shopping center and operating expenses Real Estate [Member] Exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Entity Shell Company Entity Shell Company Total lease liabilities Operating Lease, Liability Cover page. Cover [Abstract] Deferred Charges and Other Assets, net Other Assets Disclosure [Text Block] Document Type Document Type Effective interest rate Effective interest rate Debt Instrument, Interest Rate, Effective Percentage Subsequent event Subsequent Event [Member] Total Real Estate Investment Property, at Cost Variable Rate [Domain] Variable Rate [Domain] Payments on mortgages, bank and other notes payable Repayments of Long-term Debt Santa Monica Place Santa Monica Place Mortgage [Member] Mortgage note payable on Santa Monica Place property pledged as collateral. Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Share-based Payment Arrangement [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Tenant and other receivables Increase (Decrease) in Accounts Receivable 2022 Lessee, Operating Lease, Liability, Payments, Due Year Four Adjustment of noncontrolling interests in Operating Partnership Noncontrolling Interest, Increase from Subsidiary Equity Issuance Credit Facility [Axis] Credit Facility [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Capitalized share and unit-based compensation costs Share-based Payment Arrangement, Amount Capitalized Availability for additional borrowing Line of Credit Facility, Remaining Borrowing Capacity Deferred leasing costs Increase (Decrease) in Deferred Leasing Fees Interest rate cap/swap agreements Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Document Quarterly Report Document Quarterly Report Chandler Fashion Center Chandler Fashion Center [Member] Represents the information pertaining to real estate property of the entity, Chandler Fashion Center. Commitments and contingencies Commitments and Contingencies Long Term Incentive Plan, Market-based [Member] Long Term Incentive Plan, Market-based [Member] Long Term Incentive Plan, Market-based [Member] Less accumulated amortization Below Market Lease, Accumulated Amortization Cash, cash equivalents and restricted cash, beginning of period Cash, cash equivalents and restricted cash, end of period Cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Loss on extinguishment of debt, net Gain (Loss) on Extinguishment of Debt Mortgage loans payable on real estate Debt Instrument [Line Items] Schedule of Variable Interest Entities [Table] Schedule of Variable Interest Entities [Table] Remaining authorized repurchase amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Denominator for basic and diluted EPS—weighted average number of common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic and Diluted Stockholders' Equity Note [Abstract] Stockholders' Equity Note [Abstract] Bank and other notes payable Convertible Debt, Line of Credit and Other Notes Payable Includes the current and noncurrent portions, carrying amount of debut identified as being convertible into another form of financial instrument, the carrying values of obligations drawn from a line of credit, and other notes payable. Monthly Debt Service Debt Instrument, Periodic Payment Entity File Number Entity File Number Earnings per common share—attributable to common stockholders: EPS—net income attributable to common stockholders Earnings Per Share, Basic and Diluted [Abstract] Long Term Incentive Plan, Service-based [Member] Long Term Incentive Plan, Service-based [Member] Long Term Incentive Plan, Service-based [Member] Restricted cash Restricted Cash, Current Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Financing Arrangement Co-venture Arrangement Disclosure [Text Block] This text block represents complete disclosure with respect to co-venture arrangements. Cumulative effect of adoption of ASC Cumulative Effect of New Accounting Principle in Period of Adoption Document Fiscal Period Focus Document Fiscal Period Focus Tucson La Encantada Tucson La Encantada Mortgage [Member] Mortgage note payable on the Tucson La Encantada property pledged as collateral. Debt premiums Debt Instrument, Unamortized Premium Amortization of share and unit-based plans Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture Accounts payable and accrued expenses Increase (Decrease) in Other Accounts Payable and Accrued Liabilities Maximum contingent borrowing capacity Line of Credit Facility, Maximum Contingent Borrowing Capacity Line of Credit Facility, Maximum Contingent Borrowing Capacity Other liabilities Other Liabilities [Member] Product and Service [Domain] Product and Service [Domain] LTIP Units Long Term Incentive Plan [Member] Long-term incentive plan. Summary of Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] New loan Additional borrowing SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of variable interest entities Schedule of Variable Interest Entities [Table Text Block] Number of agreements Derivative, Number of Instruments Held Interest expense Equity Method Investment, Summarized Financial Information, Interest Expense The cost of borrowed funds accounted for as interest that was charged against earnings during the period by an equity method investment of the entity. Mortgage notes payable Secured Debt [Member] Carrying Amount of Mortgage Notes, Other Secured Debt Nonrelated Party Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations such as mortgage loans. Write-down of assets Impairment of Real Estate Components of tenant and other receivables, net Accounts, Notes, Loans and Financing Receivable [Line Items] January 1, 2020 January 1, 2020 [Member] January 1, 2020 Deferred charges and other assets, net Deferred charges and other assets, net Deferred Costs and Other Assets Fair Value, Measurement Frequency [Domain] Measurement Frequency [Domain] Statement [Line Items] Statement [Line Items] Revenues Revenue from Contract with Customer, Excluding Assessed Tax Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Number of trading days used to calculate redemption value Minority Interest, Redemption Value Basis Number of Trading Days Minority Interest, Redemption Value Basis Number of Trading Days 2020 Finance Lease, Liability, Payments, Remainder of Fiscal Year Basic (in dollars per share) Earnings Per Share, Basic Conversion of Operating Partnership Units to common stock Conversion of Stock, Amount Converted Dividend declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Balance at beginning of period (in dollars per share) Balance at end of period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Comprehensive income attributable to the Company Comprehensive Income (Loss), Net of Tax, Attributable to Parent Subsequent Event Type [Axis] Subsequent Event Type [Axis] Fresno Fashion Fair Fresno Fashion Fair [Member] Represents the information pertaining to real estate property of the entity, Fresno Fashion Fair. Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Amortization of premium on mortgage notes payable Amortization of Debt Discount (Premium) Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Property, net Real Estate Disclosure [Text Block] Amendment Flag Amendment Flag Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Interest income, related party Interest Income, Related Party Changes in assets and liabilities, net of dispositions: Increase (Decrease) in Operating Capital [Abstract] Common Stock, shares outstanding Common Stock, Shares, Outstanding Weighted average number of common shares outstanding: Denominator Weighted Average Number of Shares Outstanding, Diluted [Abstract] Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Total interest expense Interest Expense Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Lease liabilities Operating and Finance Lease, Liability Operating and Finance Lease, Liability Stock Options Share-based Compensation Arrangement by Share-based Payment Award, Stock Options, Outstanding [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Stock Options, Outstanding [Abstract] Fair value of outstanding line of credit Line of Credit Facility, Fair Value of Amount Outstanding Equity in income of unconsolidated joint ventures Equity in income of unconsolidated joint ventures Company's equity in net income Income (Loss) from Equity Method Investments Local Phone Number Local Phone Number Volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Line of credit, average interest rate Line of Credit Facility, Interest Rate During Period Total undiscounted rental payments Lessee, Operating Lease, Liability, Payments, Due Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Conversion of noncontrolling interests to common shares (in shares) Stock Issued During Period, Shares, Conversion of Units Fair Value Derivative, Fair Value, Net Finance Leases Finance Lease, Liability, Payment, Due [Abstract] Property, Plant and Equipment [Abstract] Components of property Schedule of Real Estate Properties [Table Text Block] Noncontrolling Interests Noncontrolling Interest Disclosure [Text Block] Discount rate Financing Arrangement, Discount Rate Financing Arrangement, Discount Rate Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period PPR Portfolio Pacific Premier Retail LP [Member] Represents Pacific Premier Retail LP, a joint venture in which the entity has made investment. Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Allocated values of above-market leases and below-market leases Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block] Outside partners' capital Equity Method Investment, Summarized Financial Information, Equity or Capital Other Interests The amount of equity (capital) of an equity method investment of the entity that is attributable to other ownership interests. Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Contingent liability under letters of credit Letters of Credit Outstanding, Amount Entity Current Reporting Status Entity Current Reporting Status Summary of minimum rental payments Lessor, Operating Lease, Payments to be Received, Maturity [Table Text Block] Noncontrolling Interest [Abstract] Noncontrolling Interest [Abstract] Stock Units Stock Units [Member] Stock units as awarded by an entity to their employees as a form of incentive compensation. Name of Property [Axis] Name of Property [Axis] Net income Equity Method Investment, Summarized Financial Information, Net Income (Loss) Common Stock Common Stock [Member] Construction in progress Development in Process Leases [Abstract] Leases [Abstract] Debt Instrument [Axis] Debt Instrument [Axis] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Other assets Equity Method Investment, Summarized Financial Information, Other Assets The aggregate carrying amount of other assets not separately disclosed, reported by an equity method investment of the entity. Net income Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Product and Service [Axis] Product and Service [Axis] Affiliated Entity Affiliated Entity [Member] Operating lease costs Operating Lease, Cost Entity Small Business Entity Small Business Prasada Note Prasada Note [Member] Prasada Note [Member] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] 2025 Lessor, Operating Lease, Payments to be Received, Rolling Year Five Deferred charges and other assets, gross Deferred Costs and Other Assets, Gross Sum of the gross carrying amounts before accumulated amortization of deferred costs that are expected to be recognized as a charge against future earnings plus assets not otherwise specified in the taxonomy. Real Estate [Abstract] Real Estate [Abstract] Entity Filer Category Entity Filer Category Joint Venture Corporate Joint Venture [Member] Compensation cost under share and unit-based plans Share-based Payment Arrangement, Expense Related Party Transaction [Domain] Related Party Transaction [Domain] Thereafter Lessee, Operating Lease, Liability, Payments, Due after Year Five Swaps Interest Rate Swap [Member] Total liabilities and equity Liabilities and Equity Other accrued liabilities Increase (Decrease) in Other Accrued Liabilities Entity Address, City or Town Entity Address, City or Town Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Financing Arrangement Financing Arrangement [Member] Financing Arrangement [Member] Chandler Fashion Center Chandler Fashion Center Mortgage [Member] Mortgage note payable on the Chandler Fashion Center property pledged as collateral. Partnership unit Partnership Units [Member] Represents units or equivalent units of ownership interest in an LLC or LP. Interest on lease liabilities Finance Lease, Interest Expense Receivable Type [Axis] Receivable Type [Axis] Other Equity Method Investment, Summarized Financial Information, Other Revenue The sum of all other revenue and income for the period reported by an equity method investment of the entity. Expenses: Operating Expenses [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Property, net Property, net Real Estate Investment Property, Net Leasing revenue—variable payments Variable Lease, Income Stockholders' equity: Stockholders' Equity Attributable to Parent [Abstract] Document Fiscal Year Focus Document Fiscal Year Focus Leasing expenses Operating Lease, Initial Direct Cost Expense, over Term Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Subsequent Events Subsequent Events [Text Block] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Revenues: Revenues: Revenues [Abstract] Basis adjustment Equity Method Investment, Difference Between Carrying Amount and Underlying Equity Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities Interest (income) expense: Interest Expense [Abstract] Award Type [Axis] Award Type [Axis] Distributions declared Dividends, Common Stock, Cash Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Subsequent Events [Abstract] Subsequent Events [Abstract] Related Party Transactions Related Party Transactions Disclosure [Text Block] In-place lease values Finite-Lived Intangible Asset, Acquired-in-Place Leases Expenses: Costs and Expenses [Abstract] Less net income attributable to noncontrolling interests Less net income attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Additional borrowings Note Payable, Maximum Additional Borrowing Note Payable, Maximum Additional Borrowing Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Accumulated Deficit Retained Earnings [Member] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Loss on sale or write down of assets, net Gain (Loss) on Sale or Write Down of Assets Gain (Loss) on Sale or Write Down of Assets Subsequent events Subsequent Event [Line Items] Percentage of loan assumed by third party Joint Venture Ownership Percentage Sold The percentage of ownership interest in the joint venture sold by the entity during the period. Schedule of Loss (Gain) on Sale or Write down of Assets Details of Impairment of Long-Lived Assets Held and Used by Asset [Table Text Block] Document Period End Date Document Period End Date 2023 Finance Lease, Liability, Payments, Due Year Five Numerator Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Statement [Table] Statement [Table] Cap Interest Rate Cap [Member] Entity Registrant Name Entity Registrant Name Investment, Name [Domain] Investment, Name [Domain] Unconsolidated Joint Ventures and Third Party Managed Properties Unconsolidated Joint Ventures and Third Party Managed Properties [Member] Represents unconsolidated joint ventures and third-party properties that engage the entity to manage their operations. Operating Partnership Variable Interest Entity, Primary Beneficiary [Member] Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Kings Plaza Shopping Center Kings Plaza Mortgage [Member] Mortgage note payable on the Kings Plaza property pledged as collateral. Development and leasing fees Development and Leasing Fees [Member] Development and Leasing Fees [Member] Maximum High end of range Maximum [Member] Tenant and Other Receivables, net Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Vintage Faire Mall Vintage Faire Mall Mortgage [Member] Mortgage note payable on the Vintage Faire Mall property pledged as collateral. 2021 Lessee, Operating Lease, Liability, Payments, Due Year Three Related Party [Domain] Related Party [Domain] Fashion District Philadelphia Fashion District Philadelphia [Member] Fashion District Philadelphia [Member] Net income attributable to the Company Net Income (Loss) Available to Common Stockholders, Basic Above-Market Leases Above Market Leases [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Ownership [Axis] Ownership [Axis] Mortgage notes payable Secured Debt Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Accumulated deficit Retained Earnings (Accumulated Deficit) Original allocated value Below Market Lease, Gross Entity Tax Identification Number Entity Tax Identification Number Diluted (in dollars per share) Earnings Per Share, Diluted Equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Trading Symbol Trading Symbol Low end of range Minimum Minimum [Member] Noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest Due from affiliates Due from Affiliates LIBOR Rate Derivative, Variable Interest Rate Value Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments other than Options Weighted Average Exercise Price [Roll forward] -- None. No documentation exists for this element. -- Balance Sheet Location [Domain] Balance Sheet Location [Domain] Deferred Deferred Income Tax Expense (Benefit) Range [Domain] Statistical Measurement [Domain] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Thereafter Lessor, Operating Lease, Payments to be Received, after Rolling Year Five Distributions of income from unconsolidated joint ventures Proceeds from Equity Method Investment, Distribution Summary of activity of non-vested LTIP Units, stock awards, phantom stock and stock units Share-based Payment Arrangement, Option, Activity [Table Text Block] Investments in unconsolidated joint ventures: Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures [Abstract] Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Freehold Raceway Mall Freehold Raceway Mall [Member] Represents the information pertaining to real estate property of the entity, Freehold Raceway Mall. Effective interest rate Derivative, Swaption Interest Rate Above-market leases Finite Lived Intangible Asset above Market Leases Gross carrying amount before accumulated amortization as of the balance sheet date of the intangible asset for leases acquired as part of a real property acquisition at above market lease rate. Income tax benefit (expense) Income tax (benefit) expense Total income tax benefit (expense) Income Tax Expense (Benefit) Share and Unit-Based Plans Share-based Payment Arrangement [Text Block] Operating Leases Lessee, Operating Lease, Liability, Payment, Due [Abstract] Vesting [Axis] Vesting [Axis] 2020 Lessee, Operating Lease, Liability, Payments, Due Year Two Loss on sale or write down of assets, net (Loss) gain on sale or write down of assets, net Gain (Loss) on Sale of Assets and Asset Impairment Charges Tenant improvements Tenant Improvements City Area Code City Area Code Market rent per square foot Finance Leased Asset, Measurement Input In-place lease values, leasing commissions and legal costs Leases, Acquired-in-Place [Member] Accrued percentage rents Accrued Income Receivable [Member] Combined and condensed balance sheets of unconsolidated joint ventures Equity Method Investments, Summarized Financial Information Balance Sheet [Table Text Block] Disclosure of summarized balance sheet financial information for investments accounted for using the equity method of accounting. Title of 12(b) Security Title of 12(b) Security Investments in unconsolidated joint ventures Investments in unconsolidated joint ventures Equity Method Investments, Net The carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee, net of the liability for distributions received in excess of the entity's investment. Related Party [Axis] Related Party [Axis] Leases Lessee, Finance Leases [Text Block] Depreciation and amortization Equity Method Investment, Summarized Financial Information, Depreciation and Amortization The current period expense charged against earnings for depreciation and amortization on long-lived, physical assets not used in production, and which are not intended for resale, reported by an equity method investment of the entity. Risk free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Assets Assets, Fair Value Disclosure Earnings Per Share [Abstract] Earnings Per Share [Abstract] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Distributions to noncontrolling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Convertible non-participating preferred units Preferred Nonparticipating Convertible Units [Member] Represents convertible non-participating units or equivalent units of ownership interest in an LLC or LP. Summarizes of minimum future rental payments required Lessee, Operating Lease, Liability, Maturity [Table Text Block] Fair value per LTIP unit (in dollars per share) Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Award Date [Axis] Award Date [Axis] ASSETS: Assets: Assets [Abstract] SanTan Village Regional Center San Tan Village Regional Center Mortgage [Member] Mortgage note payable on the SanTan Village Regional Center property pledged as collateral. Current Current Income Tax Expense (Benefit) Weighted average remaining lease term, operating leases Operating Lease, Weighted Average Remaining Lease Term Total lease cost Lease, Cost Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Compensation cost under the share and unit-based plans Share-based Payment Arrangement, Cost by Plan [Table Text Block] Amount of additional borrowing Proceeds from Issuance of Debt Fair value of mortgage notes payable Notes Payable, Fair Value Disclosure Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Total liabilities and partners' capital Equity Method Investment, Summarized Financial Information, Liabilities and Equity Organization Nature of Operations [Text Block] Leasing revenue Operating Lease, Lease Income Conversion rate of shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments, Other than Options, Conversion Rate Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments, Other than Options, Conversion Rate Related parties note receivable, RED Consolidated Holdings, LLC Related Parties Note Receivable, RED Consolidated Holdings, LLC [Member] Related Parties Note Receivable, RED Consolidated Holdings, LLC [Member] Less imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Equipment and furnishings Fixtures and Equipment, Gross Non-cash investing and financing transactions: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Total leasing revenue Lease Income Contributions from noncontrolling interests Noncontrolling Interest, Increase from Contributions from Noncontrolling Interests Noncontrolling Interest, Increase from Contributions from Noncontrolling Interests Loans and Leases Receivable Disclosure [Abstract] Loans and Leases Receivable Disclosure [Abstract] Basic and diluted (in dollars per share) Earnings Per Share, Basic and Diluted Allocated value net Finite-Lived Intangible Assets, Net Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Conversion of noncontrolling interests to common shares Stock Issued During Period, Value, Conversion of Units Accrued development costs included in accounts payable and accrued expenses and other accrued liabilities Construction in Progress Expenditures Incurred but Not yet Paid Towne Mall Towne Mall Mortgage [Member] Mortgage note payable on the Towne Mall property pledged as collateral. Below-Market Leases Below Market Lease [Abstract] Leasing revenue—fixed payments Operating Lease, Lease Income, Lease Payments Debt Disclosure [Abstract] Debt Disclosure [Abstract] Total undiscounted rental payments Finance Lease, Liability, Payment, Due Finance lease costs: Lease, Finance Cost [Abstract] Lease, Finance Cost Derivative Instrument [Axis] Derivative Instrument [Axis] Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Due from affiliates Increase (Decrease) Due from Affiliates Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Distributions, pro rata share of the excess loan proceeds Joint Venture, Distributions in Excess of Loan Proceeds Joint Venture, Distributions in Excess of Loan Proceeds Range [Axis] Statistical Measurement [Axis] Supplemental cash flow information: Supplemental Cash Flow Information [Abstract] Weighted average incremental borrowing rate, operating leases Operating Lease, Weighted Average Discount Rate, Percent Redevelopment Construction Loan [Member] Redevelopment Construction Loan [Member] Redevelopment Construction Loan Net income Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Green Acres Commons Green Acres Commons [Member] Green Acres Commons [Member] Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Units Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Below-Market Leases Below Market Lease [Member] Below Market Lease [Member] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Notional Amount Derivative, Notional Amount Queens Center Queens Center [Member] Represents the joint venture, Queens Center. Mortgage and other notes payable Equity Method Investment, Summarized Financial Information, Secured Debt Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations reported by an equity method investment of the entity. Maximum cash dividend declared (in dollars per share) Common Stock, Maximum Cash Dividends, Per Share, Declared Common Stock, Maximum Cash Dividends, Per Share, Declared Interest rate cap/swap agreements Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Proceeds from repayment of notes receivable Proceeds from Collection of Notes Receivable Bank and Other Notes Payable Debt Disclosure [Text Block] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Weighted average incremental borrowing rate, finance leases Finance Lease, Weighted Average Discount Rate, Percent Schedule of fees charged to unconsolidated joint ventures Schedule of Revenues from Unconsolidated Joint Ventures and Third Party Managed Properties [Table Text Block] Tabular disclosure of revenue derived from management, development and leasing fees charged to unconsolidated joint ventures and third-party managed properties. Allocation of earnings to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Basic and Diluted Undistributed Earnings (Loss) Allocated to Participating Securities, Basic and Diluted Investment, Name [Axis] Investment, Name [Axis] Total expenses before interest Costs and Expenses before Interest, Total The sum of all costs of sales and operating expenses, excluding interest expense, for the period. Common stock, shares authorized Common Stock, Shares Authorized Accumulated amortization for intangible assets Less accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Unconsolidated Joint Ventures Unconsolidated Joint Ventures [Member] Represents unconsolidated joint ventures. Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] 2024 Lessor, Operating Lease, Payments to be Received, Rolling Year Four Tenant and other receivables, net Accounts and Financing Receivable, after Allowance for Credit Loss Entity Central Index Key Entity Central Index Key Balance at beginning of period (in shares) Balance at end of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Unrecognized compensation cost of share and unit-based plans Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Assets measured on a nonrecurring basis Fair Value Measurements, Nonrecurring [Table Text Block] Entity Emerging Growth Company Entity Emerging Growth Company Noncontrolling Interests Noncontrolling Interest [Member] Amortization of share and unit-based plans Share-based Payment Arrangement, Noncash Expense Reconciliation of numerator and denominator used in computation of earnings per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Redemption of noncontrolling interests Payments to Noncontrolling Interests Distributions in excess of the partner's share of net income Joint Venture, Distributions in Excess of Partner Share of Income (Loss) Joint Venture, Distributions in Excess of Partner Share of Income (Loss) Distributions of the partner's share of net income Income (Loss) from Joint Venture Income (Loss) from Joint Venture Management Companies Management fees Management Service [Member] Credit Facility [Domain] Credit Facility [Domain] Other accrued liabilities Other Accrued Liabilities 2020 Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year Level 2 measurement Significant Other Unobservable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Income Taxes Income Tax Disclosure [Text Block] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Other Joint Ventures Other Joint Ventures [Member] Represents other joint ventures in which the entity participates, not specifically identified. Ownership interest in operating partnership Noncontrolling Interest, Ownership Percentage by Parent Disposal Group Name [Domain] Disposal Group Name [Domain] 2021 Lessor, Operating Lease, Payments to be Received, Next Rolling Twelve Months Fair value measurements on a nonrecurring basis Fair Value, Nonrecurring [Member] LIABILITIES AND EQUITY: Liabilities and partners' capital: Liabilities and Equity [Abstract] Total minimum rental payments Lessor, Operating Lease, Payments to be Received Amortization of share and unit-based plans (in shares) Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Derivative Contract [Domain] Derivative Contract [Domain] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Schedule of LTIP Units Granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value [Table Text Block] Green Acres Mall Green Acres Mall Mortgage [Member] Green Acres Mall Mortgage [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Related parties Interest income (expense) Related party interest income Interest Income (Expense), Related Party Interest Income (Expense), Related Party Award Date [Domain] Award Date [Domain] 2023 Lessee, Operating Lease, Liability, Payments, Due Year Five Adjustment to fair value of financing arrangement obligation Fair Value Adjustment of Finance Obligation Fair Value Adjustment of Finance Obligation Fashion Outlets of San Francisco Fashion Outlets of San Francisco [Member] Fashion Outlets of San Francisco [Member] Loss on extinguishment of debt, net Gains (Losses) on Extinguishment of Debt, Including Penalties Gains (Losses) on Extinguishment of Debt, Including Penalties Investments in Unconsolidated Joint Ventures Equity Method Investments and Joint Ventures Disclosure [Text Block] Outstanding obligations under construction agreements Construction Payable, Current Provision for doubtful accounts Accounts Receivable, Credit Loss Expense (Reversal) Leases Lessor, Operating Leases [Text Block] Subsequent Event [Table] Subsequent Event [Table] Total Stockholders' Equity Parent [Member] Accounting Policies [Abstract] Accounting Policies [Abstract] Additional Paid-in Capital Additional Paid-in Capital [Member] Weighted average remaining lease term, finance leases Finance Lease, Weighted Average Remaining Lease Term Components of leasing revenue Operating Lease, Lease Income [Table Text Block] Property improvements Payments to Develop Real Estate Assets Receivable Type [Domain] Receivable [Domain] Disposal Group Name [Axis] Disposal Group Name [Axis] Leasing Deferred Costs, Leasing, Gross Distributions declared, per share (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Interest rate on debt Debt Instrument, Interest Rate, Stated Percentage Deferred financing costs Payments of Financing Costs Above-Market Leases Above Market Leases [Abstract] Above Market Leases [Abstract] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Entity Address, State or Province Entity Address, State or Province Total revenues Equity Method Investment, Summarized Financial Information, Revenue Summary of activity of SARs and stock options outstanding Share-based Payment Arrangement, Stock Appreciation Right, Activity [Table Text Block] First vesting period Share-based Payment Arrangement, Tranche One [Member] Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Property area (in square feet) Area of Real Estate Property Related Party Transaction [Line Items] Related Party Transaction [Line Items] Proceeds from finance lease Proceeds From Finance Lease Proceeds From Finance Lease Second vesting period Share-based Payment Arrangement, Tranche Two [Member] 2021 Finance Lease, Liability, Payments, Due Year Three REIT general and administrative expenses General and Administrative Expense Terminal capitalization rate Financing Arrangement, Terminal Capitalization Rate Financing Arrangement, Terminal Capitalization Rate Schedule of derivative instruments Schedule of Derivative Instruments [Table Text Block] Numerator for basic and diluted EPS—net income attributable to common stockholders Net Income (Loss) Available to Common Stockholders after Allocation to Participating Securities, Basic and Diluted Net Income (Loss) Available to Common Stockholders after Allocation to Participating Securities, Basic and Diluted Mortgage notes payable Schedule of Mortgage Notes Payable [Table Text Block] Tabular disclosure of details related to mortgage notes payable by the entity, including properties which are pledged as collateral, carrying amounts, maturities and interest rates. Maximum cash dividend rate Common Stock, Maximum Cash Dividend Rate, Percentage Common Stock, Maximum Cash Dividend Rate, Percentage Entity Interactive Data Current Entity Interactive Data Current Common stock, shares issued Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Issued Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Total expenses Costs and Expenses Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Accounts receivable Accounts Receivable, before Allowance for Credit Loss Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Balance at beginning of period (in dollars per share) Balance at end of period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Development, redevelopment, expansion and renovation of properties Payments to Acquire, Develop, Redevelop, Expansion and Renovation Real Estate Payments to Acquire, Develop, Redevelop, Expansion and Renovation Real Estate Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Number of finance leases Finance Lease, Number of Leases Finance Lease, Number of Leases Financing arrangement activity Financing Arrangement [Table Text Block] Financing Arrangement [Table Text Block] Measurement Frequency [Axis] Measurement Frequency [Axis] Schedule of Joint Ventures [Line Items] Schedule of Joint Ventures [Line Items] -- None. No documentation exists for this element. -- Change in fair value of financing arrangement obligation Liabilities, Fair Value Adjustment Total liabilities Equity Method Investment, Summarized Financial Information, Liabilities Depreciation expense Depreciation, Nonproduction Earnings Per Share ("EPS") Earnings Per Share [Text Block] Amortization of ROU assets Finance Lease, Right-of-Use Asset, Amortization Equity Award [Domain] Award Type [Domain] Percentage of loan assumed by third party Percentage of Loan Assumed by Third Party Portion of the loan assumed by a third party. 2023 Lessor, Operating Lease, Payments to be Received, Rolling Year Three Thereafter Finance Lease, Liability, Payments, Due after Year Five Other assets Increase (Decrease) in Other Operating Assets Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Revolving line of credit Revolving Credit Facility [Member] Other assets Other Assets, Miscellaneous Total lease liabilities Finance Lease, Liability Ownership [Domain] Ownership [Domain] Dividends and distributions Payments of Ordinary Dividends, Common Stock Gain on sale Gain (Loss) on Sale of Properties Consolidated Entities [Axis] Consolidated Entities [Axis] Subsidiary of Limited Liability Company or Limited Partnership [Line Items] Subsidiary of Limited Liability Company or Limited Partnership [Line Items] Tysons Tower Tysons Tower [Domain] Tysons Tower Schedule of income tax benefit of TRSs Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Total liabilities Liabilities Liabilities PPR Portfolio Pacific Premier Retail LLC [Member] Pacific Premier Retail LLC [Member] Allowance for doubtful accounts Allowance for Doubtful Accounts, Premiums and Other Receivables Common stock, $0.01 par value, 250,000,000 shares authorized, 141,572,289 and 141,407,650 shares issued and outstanding at March 31, 2020 and December 31, 2019, respectively Common Stock, Value, Issued Mortgage Notes Payable Mortgage Notes Payable Disclosure [Text Block] Deferred compensation plan assets Deferred Compensation Plan Assets Total operating expenses Equity Method Investment, Summarized Financial Information, Operating Expenses Generally recurring costs associated with normal operations for the period reported by an equity method investment of the entity. Vesting [Domain] Vesting [Domain] Other comprehensive loss: Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Redemption of noncontrolling interests Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Fashion Outlets of Chicago Fashion Outlets of Chicago Mortgage [Member] Mortgage note payable on the Fashion Outlets of Chicago property pledged as collateral. Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Leasing commissions and legal costs Finite-lived Intangible Asset Leasing Commissions and Legal Costs Gross carrying amount before accumulated amortization as of the balance sheet date of capitalized leasing commissions and lease-related legal costs. Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Allocated value net Below Market Lease, Net Notes Receivable Notes Receivable [Member] Victor Valley, Mall of Mall of Victor Valley Mortgage [Member] Mortgage note payable on the Mall of Victor Valley property pledged as collateral. Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Redemption value of outstanding OP Units not owned by the Company Minority Interest Redemption Value Represents the aggregate redemption value for the noncontrolling interest. Right-of-use assets, net Operating Lease, Right-of-Use Asset Property, net Real Estate Investment Property, Net [Member] Real Estate Investment Property, Net [Member] Equity Components [Axis] Equity Components [Axis] Deferred tax assets Net deferred tax assets Deferred Tax Assets, Net Total stockholders' equity Stockholders' Equity Attributable to Parent Amortization expense for intangible assets Amortization of Intangible Assets Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] 2022 Lessor, Operating Lease, Payments to be Received, Rolling Year Two Company's capital Company's capital Equity Method Investment, Underlying Equity in Net Assets Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Contributions to unconsolidated joint ventures Payments to Acquire Interest in Joint Venture Land Land Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Less accumulated depreciation Real Estate Investment Property, Accumulated Depreciation Schedule of Joint Ventures [Table] Schedule of Joint Ventures [Table] A schedule providing information pertaining to the joint venture interests of the entity. Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Summary of lease costs Lease, Cost [Table Text Block] Less accumulated amortization Accumulated Amortization Deferred Costs and Finite-lived Intangible Assets The accumulated amount of amortization related to deferred costs capitalized at the end of the reporting period and finite-lived intangible assets. Payment of finance deposits Payment of Finance Deposits Payment of Finance Deposits Depreciation and amortization Depreciation, Depletion and Amortization Buildings and improvements Investment Building and Building Improvements Original allocated value Finite-Lived Intangible Assets, Gross Danbury Fair Mall Danbury Fair Mall Mortgage [Member] Mortgage note payable on the Danbury Fair Mall property pledged as collateral. Cash payments for interest, net of amounts capitalized Interest Paid, Excluding Capitalized Interest, Operating Activities Limited partnership interest of the operating partnership Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners Variable Rate [Axis] Variable Rate [Axis] Security Exchange Name Security Exchange Name Amortization of difference between cost of investments and book value of underlying equity Equity Method Investment, Amortization of Difference Between Carrying Amount and Underlying Equity The item represents the amortization during the period of the difference between the amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and the amount of underlying equity in net assets the reporting Entity has in the investee. March 1, 2020 March 1, 2020 [Member] March 1, 2020 Paradise Valley Mall Paradise Valley Mall [Member] Paradise Valley Mall Securities excluded from Diluted EPS (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Other Real Estate, Other [Member] Note receivable, interest rate Notes Receivable Interest Rate The stated interest rate on the note receivable. Related Party Transaction [Axis] Related Party Transaction [Axis] Financing arrangement obligation Financing Arrangement Obligation Financing Arrangement Obligation Phantom Stock Units Phantom Share Units (PSUs) [Member] Schedule of deferred charges and other assets, net Schedule of Other Assets [Table Text Block] Investments in unconsolidated joint ventures Assets—Investments in unconsolidated joint ventures Equity Method Investments Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Additional paid-in capital Additional Paid in Capital, Common Stock Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Units Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Leasing expenses Equity Method Investment, Summarized Financial Information, Leasing Expense Equity Method Investment, Summarized Financial Information, Leasing Expense Equity Component [Domain] Equity Component [Domain] Document Transition Report Document Transition Report Stock options Share-based Payment Arrangement, Option [Member] HPP-MAC WSP, LLC—One Westside [Member] HPP-MAC WSP, LLC—One Westside [Member] HPP-MAC WSP, LLC—One Westside [Member] Unamortized deferred finance costs Debt Issuance Costs, Net Authorized repurchase amount Stock Repurchase Program, Authorized Amount Payments on finance leases Finance Lease, Principal Payments Consolidated Entities [Domain] Consolidated Entities [Domain] Line of Credit Line of Credit [Member] Freehold Raceway Mall Freehold Raceway Mall Mortgage [Member] Mortgage note payable on the Freehold Raceway Mall property pledged as collateral. Chandler Freehold Freehold Raceway Mall and Chandler Fashion Center [Member] Represents the information pertaining to the Freehold Raceway Mall and Chandler Fashion Center properties. The Macerich Partnership, L.P. The Macerich Partnership, L.P. [Member] Represents the information pertaining to real estate property of the entity, The Macerich Partnership, L.P. Intangible assets: Finite-Lived Intangible Assets, Gross [Abstract] Total assets Total assets Equity Method Investment, Summarized Financial Information, Assets Income Statement [Abstract] Income Statement [Abstract] Distributions from unconsolidated joint ventures Distributions of Capital from Unconsolidated Entities and Other Cash inflows from unconsolidated entities and other. Balance Sheet Location [Axis] Balance Sheet Location [Axis]