Debt Disclosure [Abstract] MORTGAGES, NOTES AND LOANS PAYABLE, NET Debt Disclosure [Text Block] Accounting Policies [Abstract] Developments Real Estate [Abstract] Land and improvements Land Improvements Development costs Pre Development Costs Represents the amount of pre-development costs, which generally include legal and professional fees and other directly-related third-party costs associated with specific development properties and are capitalized as part of the property being developed. Condominium projects Condominium Rights Represents the amount of condominium rights as of the balance sheet date. Total Developments Development in Process Schedule of estimated useful lives Property, Plant and Equipment [Table Text Block] Categories of developments Schedule of Developments Categories [Table Text Block] Tabular disclosure of categories of developments. Changes in allowance for doubtful accounts Allowance for Credit Losses on Financing Receivables [Table Text Block] Lease cost Lease, Cost [Table Text Block] Operating lease liability maturity Lessee, Operating Lease, Liability, Maturity [Table Text Block] Schedule of minimum rent payments Lessor, Operating Lease, Payments to be Received, Maturity [Table Text Block] Selling profit and interest income from sales-type leases Sales-type Lease, Lease Income [Table Text Block] Minimum rents associated with sales-type leases Sales-type and Direct Financing Leases, Lease Receivable, Maturity [Table Text Block] Restructuring and Related Costs Restructuring and Related Costs [Table Text Block] Income Statement [Abstract] Statement [Table] Statement [Table] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Condominium rights and unit sales Condominium Rights And Unit Sales [Member] Condominium Rights And Unit Sales [Member] Master Planned Communities land sales Master Planned Community Land Sales [Member] Master Planned Community Land Sales [Member] Hospitality revenues Hospitality Revenue [Member] Hospitality Revenue [Member] Builder price participation Builder Price Participation [Member] Builder Price Participation [Member] Other land revenues Other Land Revenue [Member] Other Land Revenue [Member] Other rental and property revenues Other Rental And Property Revenues [Member] Other Rental And Property Revenues [Member] Master Planned Communities cost of sales Real Estate, Sales [Member] Real Estate, Sales [Member] Master Planned Communities operations Real Estate, Operations [Member] Real Estate, Operations [Member] Statement [Line Items] Statement [Line Items] Revenues: Revenues [Abstract] Revenue Revenue from Contract with Customer, Excluding Assessed Tax Minimum rents Operating Lease, Lease Income, Lease Payments Minimum rents Operating Leases, Income Statement, Minimum Lease Revenue Tenant recoveries Operating Lease, Variable Lease Income Tenant recoveries Tenant Recoveries Tenant Recoveries Interest income from sales-type leases Sales-type Lease, Interest Income Total revenues Revenues Expenses: Costs and Expenses [Abstract] Cost of goods and services sold Cost of Goods and Services Sold Other property operating costs Other Cost and Expense, Operating Rental property real estate taxes Real Estate Tax Expense Rental property maintenance costs Cost of Property Repairs and Maintenance Hospitality operating costs Hospitality Expenses Represents the information pertaining to hospitality expenses. (Recovery of) provision for doubtful accounts Provision for Doubtful Accounts Demolition costs Demolition Costs Represents expenses related to demolition of real estate properties. Development-related marketing costs Marketing Expense General and administrative General and Administrative Expense Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Costs and Expenses Costs and Expenses Other: Other Income and Expenses [Abstract] Gain (loss) on sale or disposal of real estate and other assets, net Gains (Losses) on Sales of Investment Real Estate Other income (loss), net Other Operating Income (Loss) The total amount of other operating income (loss). The components are not separately disclosed on the income statement. Total other Other Operating Income (Expense), Net Operating income Operating Income (Loss) Selling profit from sales-type leases Sales-type Lease, Selling Profit (Loss) Interest income Investment Income, Interest Interest expense Interest Expense Gain on extinguishment of debt Gain (Loss) On Extinguishment Of Debt And Early Repayment Penalty Gain (Loss) On Extinguishment Of Debt And Early Repayment Penalty Warrant liability loss Fair Value Adjustment of Warrants Gain on acquisition of joint venture partner's interest Gain Loss On Acquisition Of Joint Venture Partners Interest Gain (loss) from the acquisition of joint venture partner's interest. Equity in earnings from real estate and other affiliates Income (Loss) from Equity Method Investments Income before taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Provision for income taxes Income Tax Expense (Benefit) Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net (income) loss attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Net income attributable to common stockholders Net Income (Loss) Available to Common Stockholders, Basic Basic income per share: (in dollars per share) Earnings Per Share, Basic Diluted income per share: (in dollars per share) Earnings Per Share, Diluted Asset Impairment Charges [Abstract] IMPAIRMENT Asset Impairment Charges [Text Block] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] (Gain) loss reclassified from accumulated other comprehensive loss to net income Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Interest rate swap contracts Interest Rate Swap [Member] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Member] Reclassifications out of accumulated other comprehensive income (loss) Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Net of tax Income Tax Disclosure [Abstract] Tax effects of temporary differences and carry-forwards included in the net deferred tax liabilities Components of Deferred Tax Assets and Liabilities [Abstract] Deferred tax assets: Components of Deferred Tax Assets [Abstract] Operating and Strategic Developments properties, primarily differences in basis of assets and liabilities Deferred Tax Assets Operating Property Amount of deferred tax assets attributable to taxable temporary differences from operating property, primary differences in basis of assets and liabilities. Interest deduction carryforwards Deferred Tax Assets, Interest Deduction Carryforwards Amount before allocation of valuation allowances of deferred tax asset attributable to interest deduction carryforwards. Operating loss and tax credit carryforwards Deferred Tax Assets Operating Loss Carryforwards and Tax Credit Carryforwards The tax effect as of the balance sheet date of the amount of future tax deductions arising from all unused tax credit carryforwards which have been reduced by a valuation allowance and the amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Total deferred tax assets Deferred Tax Assets, Gross Valuation allowance Deferred Tax Assets, Valuation Allowance Total net deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Deferred tax liabilities: Components of Deferred Tax Liabilities [Abstract] Property associated with MPCs, primarily differences in the tax basis of land assets and treatment of interest and other costs Deferred Tax Liabilities, Real Estate Property Amount of deferred tax liability attributable to differences in the tax basis of land assets and treatment of interest and other costs for real estate property. Operating and Strategic Developments properties, primarily differences in basis of assets and liabilities Deferred Tax Liabilities, Operating Property Amount of deferred tax liability attributable to taxable temporary differences from operating property, primarily differences in basis of assets and liabilities. Deferred income Deferred Tax Liabilities, Tax Deferred Income Total deferred tax liabilities Deferred Tax Liabilities, Gross Total net deferred tax liabilities Deferred Tax Liabilities, Net Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Total AOCI Attributable to Parent [Member] Pension adjustment Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Terminated swap amortization Accumulated Gain (Loss), Net, Interest Rate Swap, Parent [Member] Accumulated Gain (Loss), Net, Interest Rate Swap, Parent [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Balance at the beginning of the period Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Other comprehensive income (loss) before reclassifications OCI, before Reclassifications, Net of Tax, Attributable to Parent Reclassification Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Adjustment related to adoption of ASU 2018-02 Tax Cuts and Jobs Act Of 2017, Reclassification From AOCI To Retained Earnings, Tax Effect Tax Cuts and Jobs Act Of 2017, Reclassification From AOCI To Retained Earnings, Tax Effect Adjustment related to adoption of ASU 2017-12 New Accounting Pronouncement Or Change In Accounting Principle, Effect Of Change On Other Comprehensive Income New Accounting Pronouncement Or Change In Accounting Principle, Effect Of Change On Other Comprehensive Income Net current-period other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Balance at the end of the period Quarterly Financial Information Disclosure [Abstract] Total revenues Operating income Net income Net income attributable to common stockholders Earnings per share: Earnings Per Share [Abstract] Basic earnings (loss) per share: (in dollars per share) Diluted earnings (loss) per share: (in dollars per share) Weighted-average shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Construction Loans Construction Loans [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] One Month LIBOR London Interbank Offered Rate One Month Libor [Member] The one-month interest rate at which a bank borrows funds from other banks in the London interbank market. London Inter Bank Offered Rate Three Month Libor London Inter Bank Offered Rate Three Month Libor [Member] The one-month interest rate at which a bank borrows funds from other banks in the London interbank market. Prime Rate Prime Rate [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] S128 S128 [Member] Represents S128, a special improvement district bond bearing interest at 7.30% and maturing in December 2020. Summerlin South SID Bonds - S132 S132 [Member] Represents S132, a special improvement district bond bearing interest at 7.88% and maturing in December 2020. The Woodlands Master Credit Facility Woodlands Master Credit Facility [Member] The Woodlands Master Credit Facility [Member] Bridgeland Credit Facility Bridgeland Credit Facility [Member] Bridgeland Credit Facility [Member] Summerlin South SID Bonds - S151 S151 [Member] Represents S151, a special improvement district bond bearing interest at 6.00% and maturing in June 2025. Summerlin South SID Bonds - S128C S128 C [Member] Represents S128C, a special improvement district bond bearing interest at 6.05% and maturing in December 2030. Summerlin West SID Bonds - S812 S812 [Member] Represents S182, a special improvement district bond bearing interest at 0.00% and maturing in December 1899. Summerlin West SID Bonds - S814 Summerlin West SID Bonds - S814 [Member] Summerlin West SID Bonds - S814 [Member] Other corporate financing arrangements Other Financing Arrangements [Member] Represents the details pertaining to the other financing arrangements. Senior Notes Senior Notes5.375 Percentage Due March15th2025 [Member] Represents information pertaining to 5.375% senior notes due March 15, 2025. Senior Secured Credit Facility Senior Secured Credit Facility [Member] Senior Secured Credit Facility [Member] Name of Property [Axis] Name of Property [Axis] Name of Property [Domain] Name of Property [Domain] Three Hughes Landing Three Hughes Landing [Member] Represents information pertaining to Three Hughes Landing, a property owned by the entity. The Woodlands Towers at The Waterway The Woodlands Towers at the Waterway [Member] The Woodlands Towers at the Waterway [Member] The Woodlands Warehouse The Woodlands Warehouse [Member] The Woodlands Warehouse [Member] Downtown Summerlin Downtown Summerlin [Member] Downtown Summerlin [Member] Two Merriweather Two Merriweather Columbia Md [Member] Represents Two Merriweather Columbia, MD Outlet Collection at Riverwalk Outlet At Riverwalk Properties [Member] Represents the information pertaining to properties owned by The Outlet at Riverwalk, that was acquired by the entity. 100 Fellowship Drive Fellowship Drive100 [Member] Represents the information pertaining to 100 fellowship drive. 20/25 Waterway Avenue Waterway Square2025 [Member] Represents the information pertaining to 20/25 Waterway, a property owned by The Woodlands, that was acquired by the entity. Millennium Waterway Apartments Millennium Waterway Apartments [Member] Represents information pertaining to Millennium Waterway Apartments, a property owned by the entity. HHC 242 Self-Storage Hhc242 Self Storage Facility [Member] Represents the information pertaining to HHC 242 Self Storage Facility. HHC 2978 Self-Storage Hhc2978 Self Storage Facility [Member] Represents the information pertaining to HHC 2978 Self Storage Facility. Lake Woodlands Crossing Retail Lake Woodlands Crossing Retail [Member] It represent lake woodlands Crossing retail. Lakeside Row Lakeside Row [Member] Lakeside Row [Member] The Woodlands Resort & Conference Center The Woodlands Resort And Conference Center [Member] Represents the information pertaining to Resort and Conference Center, a property owned by The Woodlands, that was acquired by the entity. Lakefront North Lakefront North [Member] Lakefront North [Member] 9303 New Trails New Trails9303 [Member] Represents the information pertaining to 9303 New Trails, a property owned by The Woodlands, that was acquired by the entity. 4 Waterway Square Waterway Square4 [Member] Represents the information pertaining to 4 Waterway, a property owned by The Woodlands, that was acquired by the entity. Creekside Park West Creekside Park West [Member] Creekside Park West [Member] 6100 Merriweather 6100 Marriweather [Member] 6100 Marriweather [Member] Tanager Apartments Tanager Apartments [Member] Tanager Apartments [Member] Two Summerlin Two Summerlin [Member] Two Summerlin [Member] 3831 Technology Forest Drive Technology Forest3831 [Member] Represents information pertaining to Technology Forest 3831, The Woodlands, TX. Kewalo Basin Harbor Kewalo Basin Harbor [Member] Represents the information pertaining to Kewalo Basin Harbora, Honolulu, HI, that was acquired by the entity. Millennium Six Pines Apartments Millennium Six Pines Apartments [Member] Represents Millennium Six Pines Apartments (e) 3 Waterway Square Waterway Square3 [Member] Represents the information pertaining to 3 Waterway Square, a property owned by The Woodlands, that was acquired by the entity. One Lakes Edge One Lakes Edge [Member] Represents information pertaining to One Lake's Edge, a property owned by the entity. Aristocrat Aristocrat [Member] Aristocrat [Member] Creekside Park Apartments Creekside Park Apartments [Member] Represents the information pertaining to creekside park apartments, The Woodlands, TX. One Hughes Landing One Hughes Landing [Member] Represents information pertaining to One Hughes Landing, a property owned by the entity. Two Hughes Landing Two Hughes Landing [Member] Represents information pertaining to Two Hughes Landing, a property owned by the entity. Hockey Ground Lease SIDS Hockey Ground Lease [Member] Represents the information pertaining to hockey ground lease, Las Vegas, NV Constellation Apartments Constellation Apartments [Member] It represent constellation apartments Hughes Landing Retail Hughes Landing Retail [Member] Represents information pertaining to Hughes Landing Retail, a property owned by the entity. Columbia Regional Building Columbia Regional Building [Member] Represents information pertaining to Columbia Regional Building, a property owned by the entity. Las Vegas Ballpark Las Vegas Ballpark [Member] Las Vegas Ballpark [Member] Summerlin South Summerlin South [Member] Represents the information pertaining to Summerlin South, a part of the Summerlin property owned by the entity. Bridgeland Credit Facility Bridgeland [Member] Represents the information pertaining to Bridgeland, a property owned by the entity. Summerlin West Summerlin West [Member] Represents the information pertaining to Summerlin West, a part of the Summerlin property owned by the entity. 250 Water Street 250 Water Street [Member] 250 Water Street [Member] Seaport District Seaport District [Member] Seaport District [Member] Ke Kilohana Ke Kilohana [Member] Ke Kilohana [Member] ‘A‘ali‘i A'ali'i [Member] A'ali'i [Member] Two Lakes Edge Two Lakes Edge [Member] Two Lakes Edge [Member] 110 North Wacker Wacker110 N [Member] Represents the information pertaining to 110 N. Wacker, a property owned by the entity. Millennium Phase III Apartments Millennium Phase III Apartments [Member] Millennium Phase III Apartments [Member] Juniper Apartments Juniper Apartments [Member] Juniper Apartments [Member] Other SID Bonds Other SID Bonds [Member] Other SID Bonds [Member] 8770 New Trails 8770 New Trails [Member] 8770 New Trails [Member] The Woodlands Towers At The Waterway And The Woodlands Warehouse The Woodlands Towers At The Waterway And The Woodlands Warehouse [Member] The Woodlands Towers At The Waterway And The Woodlands Warehouse [Member] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Seaport District Segment [Member] Seaport District Segment [Member] Seaport District Segment [Member] Operating Assets Operating Segments [Member] Master Planned Communities Master Planned Communities [Member] Represents the Master Planned Communities, a reportable segment of the entity. It includes the development and sale of land, in large-scale, long-term community development projects in and around Las Vegas, Nevada; Houston, Texas and Columbia, Maryland. Strategic Developments Strategic Developments [Member] Represents the Strategic Developments, a reportable segment of the entity. It includes all properties held for development and redevelopment, including the current rental property operations as well as one residential condominium project located in Natick (Boston), Massachusetts. Mortgages, notes and loans payable Debt Instrument [Line Items] Interest rate (as a percent) Debt Instrument, Interest Rate, Effective Percentage Facility amount Line of Credit Facility, Maximum Borrowing Capacity Carrying amount Long-term Debt, Gross Unamortized bond issuance costs Unamortized Debt Issuance Expense Unamortized deferred financing costs Debt Issuance Costs, Net Total mortgages, notes and loans payable Long-term Debt Interest rate margin (as a percent) Debt Instrument, Basis Spread on Variable Rate Debt Instrument, London Interbank Interest Rate Cap Debt Instrument, London Interbank Interest Rate Cap Debt Instrument, London Interbank Interest Rate Cap Debt instrument, london interbank offered rate floor Debt Instrument, London Interbank Offered Rate Floor Debt Instrument, London Interbank Offered Rate Floor Recourse percentage Debt Instrument, Recourse Percentage Represents the percentage of recourse related to debt instrument. Percent subject to interest rate collar contract Debt Instrument, Percent Subject To Interest Rate Collar Contract Debt Instrument, Percent Subject To Interest Rate Collar Contract Aggregate principal amount of debt issued Debt Instrument, Face Amount ACQUISITIONS AND DISPOSITIONS Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Constellation Constellation [Member] Represents Constellation Business Acquisition [Line Items] Business Acquisition [Line Items] Building Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Buildings Land Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Land Improvements Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed Improvements Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed Improvements Furniture, fixtures and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed Furniture Fixtures and Equipment The amount of furniture, fixtures and equipment recognized as of the acquisition date. In-place leases Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed Lease in Place The amount of lease-in place recognized as of the acquisition date. Other identifiable assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed Other Identifiable Assets The amount of other identifiable assets recognized as of the acquisition date. Total Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Schedule Of Asset Acquisition, By Acquisition [Table] Schedule Of Asset Acquisition, By Acquisition [Table] Asset Acquisition [Axis] Asset Acquisition [Axis] Asset Acquisition [Axis] Asset Acquisition [Domain] Asset Acquisition [Domain] [Domain] for Asset Acquisition [Axis] The Woodlands Warehouse The Woodlands [Member] It represent the woodlands,The Woodlands, TX Waterway Land Waterway Land [Member] Waterway Land [Member] Century Park Century Park [Member] Century Park [Member] Schedule Of Asset Acquisition, By Acquisition [Line Items] Schedule Of Asset Acquisition, By Acquisition [Line Items] [Line Items] for Schedule Of Asset Acquisition, By Acquisition [Table] Building Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Buildings Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Buildings Tenant improvements Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed Tenant Improvements Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed Tenant Improvements In-place leases Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed Lease in Place Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed Lease in Place Land Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Land Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Land Leasing commission Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Leasing Commissions Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Leasing Commissions Site Improvements Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Site Improvements Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Site Improvements Legal and marketing costs Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed Other Identifiable Assets Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed Other Identifiable Assets Total Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Equity Method Investments and Joint Ventures [Abstract] Investments in and Advances to Affiliates [Table] Investments in and Advances to Affiliates [Table] Investment, Name [Axis] Investment, Name [Axis] Investment, Name [Domain] Investment, Name [Domain] The Summit Discovery Land Joint Venture [Member] Represents information pertaining to the Discovery Land Joint Venture, a real estate affiliate of the entity. Real Estate and Other Affiliates Investments in and Advances to Affiliates [Line Items] Total Assets Equity Method Investment, Summarized Financial Information, Assets Total Liabilities Equity Method Investment, Summarized Financial Information, Liabilities Total Equity Equity Method Investment Summarized Financial Information, Equity Revenues Equity Method Investment, Summarized Financial Information, Revenue Net income Equity Method Investment, Summarized Financial Information, Net Income (Loss) Gross Margin Equity Method Investment, Summarized Financial Information, Gross Profit (Loss) Warrants and Rights Note Disclosure [Abstract] WARRANTS Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] Segment Reporting [Abstract] Reconciliation of Assets from Segment to Consolidated [Table] Reconciliation of Assets from Segment to Consolidated [Table] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Operating Segments Corporate Corporate, Non-Segment [Member] Operating Assets revenues Operating Assets [Member] Represents the Operating Assets, a reportable segment of the entity. It includes commercial, mixed use and retail properties currently generating revenues. Master Planned Communities revenues Seaport revenues Strategic Developments revenues Reconciliation of total segment assets to total assets Segment Reporting, Asset Reconciling Item [Line Items] Assets Assets Revenue from Contract with Customer [Abstract] REVENUES Revenue from Contract with Customer [Text Block] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Accounts Payable and Accrued Liabilities Accounts Payable and Accrued Liabilities [Member] Las Vegas Aviators Las Vegas51s Llc [Member] Represents Las Vegas 51s LLC The Metropolitan Downtown Columbia Metropolitan Downtown Columbia [Member] Represents The Metropolitan Downtown Columbia (d) Stewart Title of Montgomery County, TX Stewart Title Of Montgomery County Tx [Member] Represents Stewart Title of Montgomery County, TX Woodlands Sarofim 1 Woodlands Sarofim1 [Member] Represents the information pertaining to Woodlands Sarofim 1, a real estate affiliate of the entity. m.flats/TEN.M m.flats/TEN.M [Member] m.flats/TEN.M The Summit The Summit [Member] The Summit [Member] Mr. C Seaport Mr.C Seaport [Member] Mr.C Seaport [Member] Bar Wayō (Momofuku) Bar Wayo [Member] Bar Wayo [Member] Circle T Ranch and Power Center Circle T [Member] Represents the information pertaining to Circle T, a real estate affiliate of the entity. HHMK Development LLC H H M K Development L L C [Member] Represents the information pertaining to HHMK Development, LLC, a real estate affiliate of the entity. KR Holdings LLC K R Holdings L L C [Member] Represents information pertaining to KR Holdings, LLC with whom the entity entered into a joint venture. Investment Type [Axis] Investment Type [Axis] Investments [Domain] Investments [Domain] Equity Method Investments Equity Method Investments [Member] Cost-method Investments Cost-method Investments [Member] Investment in Real Estate and Other Affiliates Investments in and Advances to Affiliates, Balance [Abstract] Economic/Legal Ownership Equity Method Investment, Ownership Percentage Carrying Value Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Share of Earnings/Dividends Investment in real estate and other affiliates Real Estate Investments, Unconsolidated Real Estate and Other Joint Ventures Investment deficit position Investments In Affiliates Subsidiaries Associates And Joint ventures Liability Total investment liabilities in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership. INCOME TAXES Income Tax Disclosure [Text Block] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] 2019 Restructuring Plan Corporate Restructuring [Member] Corporate Restructuring [Member] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Employee Severance Employee Severance [Member] Finite Lived Intangible Assets and Liabilities, by Major Class [Axis] Finite Lived Intangible Assets and Liabilities, by Major Class [Axis] Information by major type or class of finite Lived intangible assets or liabilities. Finite Lived Intangible Assets And Liabilities By Major Class [Domain] Finite Lived Intangible Assets And Liabilities By Major Class [Domain] The major class of finite Lived intangible assets and liabilities. Below-market ground leases Ground Leases Below Market [Member] Ground leases acquired as part of a real property acquisition at below market lease rate. Customer [Axis] Customer [Axis] Customer [Domain] Customer [Domain] Downtown Summerlin and Seaport District Tenants Downtown Summerlin And Seaport District Tenants [Member] Downtown Summerlin And Seaport District Tenants [Member] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] Allowance for doubtful accounts SEC Schedule, 12-09, Allowance, Credit Loss [Member] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2016-02 Accounting Standards Update 2016-02 [Member] Change in Accounting Estimate by Type [Axis] Change in Accounting Estimate by Type [Axis] Change in Accounting Estimate, Type [Domain] Change in Accounting Estimate, Type [Domain] Service Life Service Life [Member] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Restructuring Costs Restructuring Costs (Loss) gain on disposal of operating assets Gain (Loss) on Disposition of Assets Number of business segment Number of Operating Segments Adjustment to depreciation due to change in estimated useful life Depreciation Impact on diluted EPS resulting from depreciation adjustment (in dollars per share) Impact of Restatement on Earnings Per Share, Diluted Estimated useful life of MPC assets Property, Plant and Equipment, Useful Life Increase from write-offs Allowance for Doubtful Accounts Receivable, Write-offs Special Improvement District receivable Special Improvement District Receivable Represents the carrying amount of the reimbursement receivable for principal paid on Special Improvement District bonds including interest. TIF receivable Value Added Tax Receivable Tenant incentives and other receivables Other Receivables Deferred leasing costs, accumulated amortization Deferred Costs, Leasing, Accumulated Amortization Operating lease right-of-use assets, net Operating Lease, Right-of-Use Asset Operating lease obligations Operating Lease, Liability Operating leases remaining lease term Operating Lease, Remaining Lease Term Operating Lease, Remaining Lease Term Lease renewal term Lessee, Operating Lease, Renewal Term Lease termination period Lessee, Operating Lease, Termination Period Lessee, Operating Lease, Termination Period Average remaining term of lease Lessor, Operating Lease, Weighted Average Remaining Lease Term Lessor, Operating Lease, Weighted Average Remaining Lease Term Net investment in lease receivable Net Investment Lease Receivable Net Investment Lease Receivable Loans and leases receivable Sales-type Lease, Lease Receivable Sales-type lease, unguaranteed residual asset Sales-type Lease, Unguaranteed Residual Asset Transfer of financial assets accounted for as sales, amount derecognized Sales-Type Lease, Derecognized Developments Sales-Type Lease, Derecognized Developments Restructuring and Related Cost, Expected Cost Restructuring and Related Cost, Expected Cost Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Naming Rights And Marketing Agreement Naming Rights And Marketing Agreement [Member] Naming Rights And Marketing Agreement [Member] Real Estate Property Ownership [Axis] Real Estate Property Ownership [Axis] Real Estate Properties [Domain] Real Estate Properties [Domain] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Woodlands Land Development Company Subsidiaries [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility Revolving Credit Facility [Member] 100 Fellowship Drive, Lakefront North, Three Hughes Landing, The Woodlands Resort And Conference Center And Lake Woodlands Crossing 100 Fellowship Drive, Lakefront North, Three Hughes Landing, The Woodlands Resort And Conference Center And Lake Woodlands Crossing [Member] 100 Fellowship Drive, Lakefront North, Three Hughes Landing, The Woodlands Resort And Conference Center And Lake Woodlands Crossing [Member] Woodlands Properties Woodlands Properties [Member] Woodlands Properties [Member] Outlet Collection at Riverwalk Outlet Collection, Riverwalk [Member] Outlet Collection, Riverwalk [Member] Ae'o Aeo [Member] Represents information pertaining to Ae 'o, Honolulu, HI. Mortgaged Properties Mortgaged Properties [Member] Mortgaged Properties [Member] Merriweather District Merriweather District [Member] Merriweather District [Member] Summerlin Ballpark Summerlin Ballpark [Member] Summerlin Ballpark [Member] Lakeland Village Center Lakeland Village Center [Member] Lakeland Village Center [Member] The Woodlands Bridgeland Summerlin Summerlin [Member] Represents the information pertaining to Summerlin Acquisition properties owned by the entity. Recourse Debt Recourse Debt [Member] Represents information regarding recourse debt. Term Loan Term Loan [Member] Represents the information pertaining to the term loan facility which is provided under the credit agreement. Mortgages Mortgages [Member] Line of Credit Line of Credit [Member] Construction Loan Payable Construction Loan Payable [Member] $700 Million Loan Maturity September 2023 $700 Million Loan Maturity September 2023 [Member] $700 Million Loan Maturity September 2023 [Member] Special Improvement District bonds Bonds [Member] London Interbank Offered Rate (LIBOR) London Interbank Offered Rate (LIBOR) [Member] Weighted average interest rate Debt, Weighted Average Interest Rate Pledged assets, not separately reported Pledged Assets, Not Separately Reported, Real Estate Extinguishment of debt, discount Extinguishment of Debt, Amount Interest rate, stated (as a percent) Debt Instrument, Interest Rate, Stated Percentage Interest rate, effective (as a percent) Long-term line of credit Long-term Line of Credit Interest rate margin (as a percent) Number of extension options Debt Instrument, Number of Extension Options Represents the number of extension options available pertaining to a debt instrument. Number of bonds Number Of Bonds Number Of Bonds Option to increase borrowing capacity Debt Instrument, Option To Increase Borrowing Capacity Debt Instrument, Option To Increase Borrowing Capacity Debt instrument covered, percent Derivative, Debt Instrument Covered, Percent Derivative, Percent Of Debt Instrument Covered Fixed interest rate Derivative, Fixed Interest Rate Repayment of debt Repayments of Long-term Debt Gain (loss) on extinguishment of debt Gain (Loss) on Extinguishment of Debt Revenue Revenue from Contract with Customer, Including Assessed Tax Naming rights and marketing agreement, term Naming Rights And Marketing Agreement, Term Naming Rights And Marketing Agreement, Term Maximum recourse percentage, upon achievement of conditions Debt Instrument, Maximum Recourse Percentage, Upon Achievement Of Conditions Represents the maximum percentage recourse the loan has with the Company upon achievement of conditions. Percentage cf occupancy of real estate property Percentage Of Occupancy Of Real Estate Property Represents the percentage of occupancy by the tenants of the real estate property. Repayments of Lines of Credit Repayments of Lines of Credit Secured Debt Secured Debt Special Improvement District bond transfers associated with land sales Special Improvement District Bond Transfers Associated with Land Sales This element represents special improvement district bond transfers associated with land sales. Debt Instrument, LIBOR Cap Debt Instrument, LIBOR Cap Debt Instrument, LIBOR Cap Debt Instrument, LIBOR Floor Debt Instrument, LIBOR Floor Debt Instrument, LIBOR Floor Extension option, term Debt Instrument, Extension Option, Term Debt Instrument, Extension Option, Term Unamortized bond issuance costs Variable interest entity, consolidated, joint venture debt, guarantee amount Variable Interest Entity, Consolidated, Joint Venture Debt, Guarantee Amount Variable Interest Entity, Consolidated, Joint Venture Debt, Guarantee Amount Variable interest entity, consolidated, joint venture debt, increase (decrease) guarantee amount Variable Interest Entity, Consolidated, Joint Venture Debt, Increase (Decrease) Guarantee Amount Variable Interest Entity, Consolidated, Joint Venture Debt, Increase (Decrease) Guarantee Amount Fair value derivative liabilities Derivative Liability, Fair Value, Gross Liability Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Stock Options Employees Directors And Consultants Stock Options [Member] An arrangement whereby an employee, member of the Board of Directors or consultants are entitled to receive in the future, subject to vesting and other restrictions, a number of shares in the entity at a specified price, as defined in the agreement. Restricted Stock Restricted Stock [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Basic EPS: Earnings Per Share, Basic [Abstract] Numerator: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Net income attributable to noncontrolling interests Denominator: Weighted Average Number of Shares Outstanding, Basic [Abstract] Weighted average basic common shares outstanding (in shares) Diluted EPS: Earnings Per Share, Diluted [Abstract] Numerator: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Denominator: Restricted stock and stock options (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Warrants (in shares) Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants Weighted average diluted common shares outstanding (in shares) Antidilutive securities excluded from computation of diluted earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount EARNINGS PER SHARE Earnings Per Share [Text Block] Summary of investments in real estate and other affiliates Real Estate Investment Financial Statements, Disclosure [Table Text Block] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Federal Domestic Tax Authority [Member] State State and Local Jurisdiction [Member] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Net operating loss carryforwards Operating Loss Carryforwards Net operating loss carryforwards - Federal Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration Tax credit carryforwards - Federal AMT Tax Credit Carryforward, Amount Tax credit carryforward - Historic Tax Credit Tax Credit Carryforward, Historic Tax Credit Tax Credit Carryforward, Historic Tax Credit Statement of Stockholders' Equity [Abstract] Interest rate swaps, tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Interest rate swaps, tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Pension adjustment, tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax Capitalized swap interest, tax (benefit) Other Comprehensive Income Loss Capitalized Swap Interest On Developments Tax effect, net of reclassification adjustment, of the change in accumulated gain (loss) from settled derivative instruments for which the underlying interest is capitalized. Contract Liabilities Change In Contract With Customer, Liability [Roll Forward] Change In Contract With Customer, Liability [Roll Forward] Beginning balance Contract with Customer, Liability Consideration earned during the period Contract with Customer, Liability, Revenue Recognized Consideration received during the period Contract With Customer, Liability, Increase From Consideration Received Contract With Customer, Liability, Increase From Consideration Received Ending balance Contract Asset Change In Contract With Customer, Asset [Roll Forward] Change In Contract With Customer, Asset Beginning balance Contract with Customer, Asset, Net Consideration earned during the period Contract With Customer, Asset, Consideration Earned In Period Contract With Customer, Asset, Consideration Earned In Period Consideration received during the period Contract With Customer, Asset, Consideration Received In Period Contract With Customer, Asset, Consideration Received In Period Ending balance Fair Value Disclosures [Abstract] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Level 1 Fair Value, Inputs, Level 1 [Member] Level 3 Fair Value, Inputs, Level 3 [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Reported Value Measurement Reported Value Measurement [Member] Estimate of Fair Value Measurement Estimate of Fair Value Measurement [Member] Financial instruments that are not measured at fair value on a recurring basis Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Assets: Assets, Fair Value Disclosure [Abstract] Cash and Restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Accounts receivable, net Accounts Receivable, Fair Value Disclosure Notes receivable, net Notes Receivable, Fair Value Disclosure Liabilities: Liabilities, Fair Value Disclosure [Abstract] Fixed-rate debt Long-term Debt, Percentage Bearing Fixed Interest, Amount Variable-rate debt Long-term Debt, Percentage Bearing Variable Interest, Amount Allowance for doubtful accounts Allowance for Doubtful Accounts Receivable Allowance for notes receivable Financing Receivable, Allowance for Credit Losses Summary of segment operating results Schedule of Segment Reporting Information, by Segment [Table Text Block] Summary of assets by segment and the reconciliation of total segment assets to the total assets in the Condensed Consolidated Balance Sheets Reconciliation of Assets from Segment to Consolidated [Table Text Block] Selling profit from sales-type leases Cover page. Document Type Document Type Document Annual Report Document Annual Report Document Period End Date Document Period End Date Document Transition Report Document Transition Report Entity File Number Entity File Number Entity Registrant Name Entity Registrant Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Title of 12(b) Security Title of 12(b) Security Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Shell Company Entity Shell Company Entity Public Float Entity Public Float Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Entity Central Index Key Entity Central Index Key Amendment Flag Amendment Flag Current Fiscal Year End Date Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus INTANGIBLES Schedule of Finite Lived Intangible Assets and Liabilities [Table] Schedule of Finite Lived Intangible Assets and Liabilities [Table] Disclosure of finite-lived intangible assets and liabilities, excluding goodwill, in total and by major class. Other Intangible Asset Other Intangible Asset [Member] Represents information pertaining to other intangible assets. In-place leases Leases, Acquired-in-Place [Member] Tenant Leases above Market Tenant Leases Above Market [Member] Tenant leases acquired as part of a real property acquisition at above market lease rate. Tenant Leases below Market Tenant Leases Below Market [Member] Tenant leases acquired as part of a real property acquisition at below market lease rate. Intangible assets and liabilities Acquired Finite-Lived Intangible Assets [Line Items] Indefinite lived intangibles Indefinite-lived Intangible Assets (Excluding Goodwill) Goodwill Goodwill Gross Assets Finite-Lived Intangible Assets, Gross Gross Liability Finite Lived Intangible Liability, Gross Sum of the gross carrying amounts before accumulated amortization, as of the balance sheet date, of all intangible liabilities having statutory or estimated useful lives. The aggregate gross carrying amount (including any previously recognized impairment charges) of a major finite-lived intangible liability class. Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Accumulated Accretion Finite Lived Intangible Liability Accumulated Accretion Represents the accumulated amount of accretion of a major finite-lived intangible liability class. Net Carrying Amount Finite-Lived Intangible Assets, Net Net Carrying Amount Finite Lived Intangible Liability, Net Represents the aggregate sum of gross carrying value of a major finite-lived intangible liability class, less accumulated amortization and any impairment charges. Total indefinite lived intangibles Indefinite Lived Intangible Asset Liabilities Net The aggregate amount of indefinite lived intangible assets and liabilities. Total amortizing intangibles Finite Lived Intangible Assets Liabilities Net The aggregate amount of finite lived intangible asset and liabilities. Amortization/accretion of intangible assets and liabilities Finite Lived Intangible Assets and Liabilities Amortization and Accretion Represents the net amount of amortization of intangible assets and accretion of intangible liabilities excluding the impact of noncontrolling interest and the provision of income taxes. Estimated future amortization Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] 2020 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2022 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2023 Finite-Lived Intangible Assets, Amortization Expense, Year Four Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative [Table] Derivative [Table] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated as Hedging Instrument Designated as Hedging Instrument [Member] Derivative Instrument, Interest Rate and Maturity Date [Axis] Derivative Instrument, Interest Rate and Maturity Date [Axis] Derivative Instrument, Interest Rate and Maturity Date [Axis] Derivative Instrument Interest Rate And Maturity Date [Domain] Derivative Instrument Interest Rate And Maturity Date [Domain] Derivative Instrument, Interest Rate and Maturity Date [Domain] Settled Interest Rate Swap, One Settled Interest Rate Swap, One [Member] Settled Interest Rate Swap, One [Member] Settled Interest Rate Swap, Two Settled Interest Rate Swap, Two [Member] Settled Interest Rate Swap, Two [Member] Settled Interest Rate Swap, Three Settled Interest Rate Swap, Three [Member] Settled Interest Rate Swap, Three [Member] Settled Interest Rate Swap, Four Settled Interest Rate Swap, Four [Member] Settled Interest Rate Swap, Four [Member] Interest Rate Cap Interest Rate Cap [Member] Credit Risk Contract Credit Risk Contract [Member] Derivative [Line Items] Derivative [Line Items] Ineffective portion recorded in Other (loss) income, net Gain (Loss) from Components Excluded from Assessment of Cash Flow Hedge Effectiveness, Net Loss reclassified from AOCI into earnings Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Agreements settled Derivative, Agreements Settled Derivative, Agreements Settled Derivative Asset, Notional Amount Derivative Asset, Notional Amount Gain on unwinding of swaps Proceeds from Derivative Instrument, Financing Activities Termination fee Derivative Instrument, Termination Fee Derivative Instrument, Termination Fee Derivative, number of derivative instruments, deferred effective portion of fair value change Derivative, Number Of Derivative Instruments, Deferred Effective Portion Of Fair Value Change Derivative, Number Of Derivative Instruments, Deferred Effective Portion Of Fair Value Change Change in fair value, recognition period Derivative Instrument, Change In Fair Value, Recognition Period Derivative Instrument, Change In Fair Value, Recognition Period Interest rate cash flow hedge gain (loss) to be reclassified during next 12 months Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Real Estate, Type of Property [Axis] Real Estate, Type of Property [Axis] Real Estate Properties [Domain] Real Estate [Domain] Tin Building Tin Building [Member] Tin Building [Member] Segments reporting Segment Reporting Information [Line Items] Number of operating segments Total operating expenses Operating Expenses Operating income Operating Income (Loss) Before Other Items The net result for the period of deducting operating expenses from operating revenues but before other operating items. Depreciation and amortization Interest expense (income), net Interest Income (Expense), Net Gain (loss) on extinguishment of debt Gain on acquisition of joint venture partner's interest Selling profit from sales-type leases Gains on sales of properties Gain (Loss) on Sale of Properties, before Applicable Income Taxes Segment EBT Corporate expenses and other items Expenses And Other Expenses And Other Area of real estate property Area of Real Estate Property Number of operating locations Number Of Operating Locations Number Of Operating Locations Number of primary locations Number Of Primary Locations Number Of Primary Locations Statement of Comprehensive Income [Abstract] Comprehensive income, net of tax: Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Other comprehensive loss Other Comprehensive Income (Loss), Net of Tax [Abstract] Interest rate swaps Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax Interest rate swaps Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Capitalized swap interest (expense) income Other Comprehensive Income Loss Capitalized Swap Interest Net Of Tax Settled derivative gains and losses, net of tax, associated with hedged variable debt for which the underlying interest is capitalizable. Pension adjustment Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax Adoption of ASU 2018-02 Adoption of ASU 2017-12 Terminated swap amortization Other Comprehensive Income (Loss), Derivative, Terminated Swap Amortization Other Comprehensive Income (Loss), Derivative, Terminated Swap Amortization Other comprehensive loss Other Comprehensive Income, Other, Net of Tax Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive (income) loss attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive income attributable to common stockholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent OTHER ASSETS AND LIABILITIES Schedule of Other Assets and Liabilities [Table] Schedule of Other Assets and Liabilities [Table] Information related to significant components of other assets and liabilities of the entity. Above-market tenant leases Ground Leases Above Market [Member] Ground leases acquired as part of a real property acquisition at above market lease rate. Other assets and liabilities Other Assets and Liabilities [Line Items] Prepaid Expenses and Other Assets Prepaid Expense and Other Assets [Abstract] Condominium inventory Condominium Inventory Condominium Inventory Straight-line rent Straight Line Rent Asset The asset that represents the cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property by the lessor or lessee, respectively. Net carrying amount leases Intangibles Other Intangible Assets, Net Security and escrow deposits Deposit Assets Prepaid expenses Prepaid Expense Other Other Assets Food and beverage and lifestyle inventory Food and Beverage and Lifestyle Inventory Food and Beverage and Lifestyle Inventory Federal income tax receivable Income Taxes Receivable Equipment, net of accumulated depreciation of $0.0 million and $8.3 million, respectively Property, Plant and Equipment, Other, Net Accumulated depreciation other equipment Accumulated Depreciation Other Equipment Accumulated depreciation for other depreciable equipment. Interest rate swap derivative assets increase (Decrease) Derivative Fair Value Of Derivative Interest Rate Swap increase (Decrease) Derivative Fair Value Of Derivative Interest Rate Swap Prepaid expenses and other assets, net Prepaid Expense and Other Assets Decrease in prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets. The increase (decrease) during the reporting period in the value of prepaid expenses and other assets not separately disclosed in the statement of cash flows. Decrease in condominium inventory Increase (Decrease) In Condominium Inventory Increase (Decrease) In Condominium Inventory Decrease in below market lease, net Increase (Decrease) Finite-Lived Intangibles, Net Increase (Decrease) Finite-Lived Intangibles, Net Decrease in equipment, net of accumulated depreciation Increase (Decrease) In Equipment, Net Of Accumulated Depreciation Increase (Decrease) In Equipment, Net Of Accumulated Depreciation Decrease in other depreciation and amortization Increase (Decrease) in Other Depreciation and Amortization Increase (Decrease) in Other Depreciation and Amortization Decrease condominium receivables Increase (Decrease) Condominium Receivables Increase (Decrease) Condominium Receivables Special Improvement District receivable Increase (Decrease) Special Improvement District Receivable Increase (Decrease) Special Improvement District Receivable Increase (decrease) food and beverage and life style inventory receivable Increase (Decrease) Food And Beverage And Life Style Inventory Receivable Increase (Decrease) Food And Beverage And Life Style Inventory Receivable Accounts Payable and Accrued Expenses Accounts Payable and Accrued Liabilities [Abstract] Construction payables Construction Payable Condominium deposit liabilities Accounts Payable and Accrued Expenses Condominium Deposits Represents the amount of condominium deposits, which is the component of accounts payable and accrued expenses. Deferred income Deferred Income Deferred Income Accrued payroll and other employee liabilities Employee-related Liabilities Interest rate swap liabilities Interest Rate Derivative Liabilities, at Fair Value Accounts payable and accrued expenses Other Accounts Payable and Accrued Liabilities Accrued real estate taxes Accrual for Taxes Other than Income Taxes Tenant and other deposits Security Deposit Liability Accrued interest Interest Payable Other Other Liabilities Straight-line ground rent liability Straight Line Rent Liability Straight-line Rent Liability Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities Decrease in accounts payable and accrued expenses Increase (Decrease) In Accounts Payable And Accrued Expenses Represents the increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid. Decrease in condominium deposits liability Increase (Decrease) in Accounts Payable and Accrued Expenses Condominium Deposits Represents the increase (decrease) during the reporting period in the amount of obligations related to receipts from buyers of condominium deposits. Decrease in straight-line ground rent liability Increase (Decrease) In Straight Line Rent Liability Increase (Decrease) In Straight Line Rent Liability Increase (decrease) accrued interest Increase (Decrease) Accrued Interest Increase (Decrease) Accrued Interest Interest rate swap derivative assets Derivative Fair Value Of Derivative Interest Rate Swap Fair value, before effects of master netting arrangements, of an interest rate swap with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Deferred income Increase (Decrease) Deferred Income Increase (Decrease) Deferred Income Schedule of quarterly financial information Quarterly Financial Information [Table Text Block] Provision for (benefit from) income taxes Components of Income Tax Expense (Benefit), Continuing Operations [Abstract] Current Current Income Tax Expense (Benefit) Deferred income taxes Deferred Income Tax Expense (Benefit) Income tax expense (benefit) REAL ESTATE AND OTHER AFFILIATES Equity Method Investments and Joint Ventures Disclosure [Text Block] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract] Reconciliation of Real Estate SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward] Balance at beginning of year SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross Change in land Real Estate Change in Land Amount of change in land related to real estate investments during the period. Additions SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Other Acquisition Impairments Impairment of Real Estate Dispositions and write-offs and land costs of sales Real Estate Dispositions and Write Offs Amount of decrease in the carrying amount of real estate investments during the period due to dispositions and write-offs. Balance at end of year Reconciliation of Accumulated Depreciation SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward] Balance at beginning of year SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation Depreciation expense SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Depreciation Expense Dispositions and write-offs Real Estate Accumulated Depreciation, Dispositions and Write Offs Decreases in accumulated depreciation for the period attributed to real estate dispositions and write-offs. Balance at end of year Summary of the significant components of prepaid expenses and other assets Schedule of Other Assets [Table Text Block] Summary of the significant components of accounts payable and accrued expenses Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Operating lease cost Operating Lease, Cost Variable lease costs Variable Lease, Cost Sublease income Sublease Income Net lease cost Lease, Cost Short-term Debt, Type [Axis] Short-term Debt, Type [Axis] Short-term Debt, Type [Domain] Short-term Debt, Type [Domain] Notes Payable, Other Payables Notes Payable, Other Payables [Member] West Windsor, New Jersey West Windsor, New Jersey [Member] West Windsor, New Jersey [Member] Cottonwood Mall Cottonwood Mall [Member] Cottonwood Mall [Member] Land Parcel, Holladay, Utah Land Parcel, Holladay, Utah [Member] Land Parcel, Holladay, Utah [Member] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Groups, Including Discontinued Operations, Name [Domain] Disposal Group Name [Domain] Five non-core assets Four Non Core Assets [Member] Represents information pertaining to four non-core assets. The Outlet Collection, Elk Grove Outlet Collection [Member] Represents information pertaining to The Outlet Collection, Elk Grove. Bridges At Mint Hill L L C Bridges At Mint Hill L L C [Member] Represents the information pertaining to Bridges at Mint Hill, LLC, a real estate affiliate of the entity. Las Vegas 51s Disposal Group Classification [Axis] Disposal Group Classification [Axis] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Disposal by Sale Discontinued Operations, Disposed of by Sale [Member] Landmark Mall Landmark Mall [Member] Represents information pertaining to Landmark Mall, a real estate affiliate of the entity. Constellation Note Payable Constellation Note Payable [Member] Information pertaining to the Constellation note payable. Asset acquisition, number of buildings acquired Asset Acquisition, Number Of Buildings Acquired Asset Acquisition, Number Of Buildings Acquired Square footage of building Square Footage Of Building Square Footage Of Building Area of land Area of Land Payments to acquire real estate Payments to Acquire Real Estate Leasing commission Duration of lease Duration Of Lease Duration Of Lease Economic/legal ownership Assets divested from deconsolidation Assets Divested From Deconsolidation Assets Divested From Deconsolidation Proceeds from sale of real estate Proceeds from Sale of Real Estate Proceeds from sales of properties Proceeds from Sale of Real Estate Held-for-investment Nontrade receivables Nontrade Receivables Interest rate (as a percent) Number of buildings Business Acquisitions, Number Of Buildings Acquired Business Acquisitions, Number Of Buildings Acquired Area of land purchased Area Of Land Purchased Area Of Land Purchased Purchase price of land acquired Purchase Price Of Land Acquired Purchase Price Of Land Acquired Payments to acquire land Payments to Acquire Land Short-term debt Short-term Debt Interest free term Debt Instrument, Interest Free Term Debt Instrument, Interest Free Term Number of assets sold Number Of Assets Sold The number of assets sold. Corporate gains on sale of properties Gain (Loss) on Sale of Properties Gain (Loss) on disposition of business Gain (Loss) on Disposition of Business Ownership interest (as a percent) Business Acquisition, Percentage of Voting Interests Acquired Portion of refinanced mortgage proceeds used to acquire partner's interest Payments to Acquire Businesses, Gross Liabilities acquired percentage Business Combination Percentage Of Liabilities Acquired The percentage of liabilities acquired as part of a business acquisition. Purchase price of acquisition Business Combination, Consideration Transferred Construction loan Long-term Construction Loan, Noncurrent Gain recognized from acquisition Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain Contingent liability recorded per the terms of the purchase agreement Business Combination, Contingent Consideration, Liability Adjustment to allocate from identified finite-lived intangibles Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets Acquired intangible assets weighted average amortization period Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Assets acquired and consolidated into financial statements Liabilities assumed and consolidated into financial statements Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Revenues since the acquisition date Pre-tax net loss since the acquisition date Area of land sold Area of Land Sold Represents the area of land sold by the entity during the period. Area of land under development Area of land under development Area of land under development. Summary of fair value of the Company's derivative financial instruments Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Summary of effect of the Company's derivative financial instruments on the Condensed Consolidated Statements of Operations Derivative Instruments, Gain (Loss) [Table Text Block] Statement of Cash Flows [Abstract] Senior Notes Senior Notes [Member] Net assets acquired in the acquisition of Las Vegas Aviators Net assets acquired in the acquisition of Constellation CONSOLIDATED STATEMENTS OF CASH FLOWS Cash Flows from Operating Activities: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Adjustments to reconcile net income to cash provided by operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Depreciation Amortization Amortization Amortization of deferred financing costs Amortization of Debt Issuance Costs and Discounts Amortization of intangibles other than in-place leases Amortization of Intangibles Other than in Place Leases The aggregate expense charged against earnings to allocate the cost of intangible assets other than in place lease (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Straight-line rent amortization Straight Line Rent Restricted stock and stock option amortization Allocated Share-based Compensation Expense Net gain on sales and acquisitions of properties Gain (Loss) On Sale And Acquisition Of Properties Gain (Loss) On Sale And Acquisition Of Properties Loss on redemption of senior notes due 2021 Warrant liability loss Equity in earnings from real estate and other affiliates, net of distributions Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Provision for doubtful accounts Provision for Loan, Lease, and Other Losses Master Planned Community land acquisitions Master Planned Community Land Acquisitions Represents master planned community land acquisitions expenditure during the period. Master Planned Community development expenditures Master Planned Community Development Expenditures Represents master planned community development expenditures during the period. Master Planned Community cost of sales Master Planned Community Cost of Sales Represents master planned community cost of sales. Condominium development expenditures Condominium Development Expenditures Represents condominium development expenditures during the period. Condominium rights and units cost of sales Condominium Rights And Unit Cost Of Sales Represents costs incurred directly related to generating condominium unit sales revenue. Percentage of completion revenue recognition from sale of condominium rights Percent Of Completion Condominium Rights And Unit Sales Revenue Percent Of Completion Condominium Rights And Unit Sales Revenue Net Changes: Increase (Decrease) in Operating Capital [Abstract] Accounts and notes receivable Increase (Decrease) in Accounts and Notes Receivable Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Condominium deposits received Increase (Decrease) in Condominium Deposits Increase (Decrease) in Condominium Deposits Deferred expenses Increase (Decrease) in Deferred Charges Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Condominium Receivables Increase (Decrease) in Accounts Receivable Other, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash Flows from Investing Activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Property and equipment expenditures Payments To Acquire Property And Equipment Payments To Acquire Property And Equipment Operating property improvements Payments for Capital Improvements Property development and redevelopment Payments to Develop Real Estate Assets Reimbursement of development cost Proceeds from Advances for Construction Acquisition of assets Other Payments to Acquire Businesses Reimbursements under tax increment financings Proceeds From Tax Increment Financing Proceeds From Tax Increment Financing Notes issued to real estate and other affiliates and third party Origination of Notes Receivable from Related Parties Distributions from real estate and other affiliates Proceeds from Distributions Received from Real Estate Partnerships Investments in real estate and other affiliates, net Payments to Acquire Interest in Subsidiaries and Affiliates Maturity of long-term investment Proceeds from Maturities, Prepayments and Calls of Long-term Investments Cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash Flows from Financing Activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from mortgages, notes and loans payable Proceeds from Issuance of Long-term Debt Principal payments on mortgages, notes and loans payable Purchase of treasury stock Payments for Repurchase of Common Stock Premium paid to redeem 2021 Senior Notes Payments Of Premium On Redemption of Notes The amount of payments of premiums on the redemption of notes payable. Special Improvement District bond funds released from (held in) escrow Special Improvement District Bonds Held In Escrow Special Improvement District Bonds Released from (Held In) Escrow Deferred financing costs and bond issuance costs, net Payments of Financing Costs Taxes paid on stock options exercised and restricted stock vested Payments Related to Tax Withholding for Share-based Compensation Issuance of management warrants Proceeds from Warrant Exercises Stock options exercised Proceeds from Stock Options Exercised Issuance of noncontrolling interests Proceeds from Noncontrolling Interests Preferred dividend payment on behalf of REIT subsidiary Preferred Dividend Payment On Behalf Of REIT Subsidiary Represents Preferred dividend payment on behalf of REIT subsidiary Cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Net change in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Supplemental disclosure of cash flow information Supplemental Cash Flow Information [Abstract] Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activities Interest capitalized Interest Costs Capitalized Income taxes paid (refunded), net Income Taxes Paid, Net Non-Cash Transactions: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Initial recognition of ASC 842 operating leases ROU asset Initial Recognition, Operating Leases, Right Of