Leases [Abstract] 2019 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2020 Operating Leases, Future Minimum Payments, Due in Two Years 2021 Operating Leases, Future Minimum Payments, Due in Three Years 2022 Operating Leases, Future Minimum Payments, Due in Four Years 2023 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total Operating Leases, Future Minimum Payments Due Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] London Interbank Offered Rate (LIBOR) London Interbank Offered Rate (LIBOR) [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility Revolving Credit Facility [Member] Letter of Credit Letter of Credit [Member] Unsecured Debt Unsecured Debt [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Swingline loan Bridge Loan [Member] Senior Unsecured Notes Senior Unsecured Notes [Member] Senior Unsecured Notes [Member] Scheduled Principal Payments Scheduled Principal Payments [Member] This item represents scheduled principal payments on debt. Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Term Loan Due October 2025 Term Loan Due October 2025 [Member] Term Loan Due October 2025 [Member] 5 Year Term Loan Five Year Term Loan [Member] Five Year Term Loan [Member] 7 Year Term Loan Seven Year Term Loan [Member] Seven Year Term Loan [Member] Proceeds from Sale of Operating Properties Proceeds from Sale of Operating Properties [Member] Proceeds from Sale of Operating Properties [Member] Fixed Rate Debt Fixed Rate Debt [Member] Variable Rate Debt Variable Rate Debt [Member] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Kite Realty Group, LP Kite Realty Group, LP [Member] Kite Realty Group, LP [Member] Name of Property [Axis] Name of Property [Axis] Name of Property [Domain] Name of Property [Domain] Perimeter Woods, Killingly Commons, Fishers Station, and Whitehall Pike Perimeter Woods, Killingly Commons, Fishers Station, and Whitehall Pike [Member] Perimeter Woods, Killingly Commons, Fishers Station, and Whitehall Pike [Member] Investment, Name [Axis] Investment, Name [Axis] Investment, Name [Domain] Investment, Name [Domain] TH Joint Venture TH Joint Venture [Member] TH Joint Venture [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Percentage bearing variable interest (as percent) Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Line of credit, maximum amount available under option to increase Line of Credit Facility, Option to Increase Maximum Borrowing Capacity Line of Credit Facility, Option to Increase Maximum Borrowing Capacity Number of additional extension Debt Instrument, Maturity Date, Number Of Extensions Debt Instrument, Maturity Date, Number Of Extensions Length of extension period Debt Instrument, Maturity Date, Extension Debt Instrument, Maturity Date, Extension Capitalization rate (as percent) Capitalization Rate Capitalization Rate Long-term line of credit Long-term Line of Credit Letters of credit outstanding Letters of Credit Outstanding, Amount Letters of credit outstanding, amount advanced Letters of Credit Outstanding, Amount Advanced Letters of Credit Outstanding, Amount Advanced Debt instrument, face amount Debt Instrument, Face Amount Value in unencumbered asset pool Value in Unencumbered Asset Pool Value in Unencumbered Asset Pool Line of credit facility, remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Percentage bearing fixed interest, amount Long-term Debt, Percentage Bearing Fixed Interest, Amount Loan proceeds Proceeds from Loans Repayments of debt Repayments of Debt Repayments of term loan Repayments of Unsecured Debt Debt instrument, term Debt Instrument, Term Repayments of long-term debt Repayments of Long-term Debt Number of real estate properties (in properties) Number of Real Estate Properties Interest costs capitalized Interest Costs Capitalized Percentage bearing fixed interest (as percent) Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate Long-term debt, fair value Long-term Debt, Fair Value Percentage bearing variable interest, amount Long-term Debt, Percentage Bearing Variable Interest, Amount Document and Entity Information [Abstract] Entities [Table] Entities [Table] Entity Information [Line Items] Entity Information [Line Items] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Emerging Growth Company Entity Emerging Growth Company Entity Small Business Entity Small Business Entity Shell Company Entity Shell Company Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding 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 Public Float Entity Public Float Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Above Market Leases Above Market Leases [Member] Acquired Lease Intangible Assets Deferred Leasing Costs [Member] Deferred Leasing Costs [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] 2019 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2020 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2022 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2023 Finite-Lived Intangible Assets, Amortization Expense, Year Five Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Total Finite-Lived Intangible Assets, Net Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization [Table] Organization [Table] Real Estate, Type of Property [Axis] Real Estate, Type of Property [Axis] Real Estate [Domain] Real Estate [Domain] Operating and Redevelopment Properties Operating And Redevelopment Properties [Member] Operating and redevelopment properties owned by the Company. Under Construction Development Properties In Process Retail Development Properties [Member] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Consolidated Entities Consolidated Entities [Member] Equity Method Investee Equity Method Investee [Member] Organization [Line Items] Organization [Line Items] General partner, ownership interest (as percent) Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest Limited partner, ownership interest (as percent) Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest Area of real estate property (in square feet) Area of Real Estate Property Other Liabilities Disclosure [Abstract] Unamortized in-place lease liabilities Below Market Lease, Gross Retainages payable and other Retention Payable Tenant rents received in advance Advance Rent Total Other Liabilities Amortization of Below Market Lease Amortization of Below Market Lease Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] The 2013 Equity Incentive Plan The 2013 Equity Incentive Plan [Member] The Company's 2013 Equity Incentive Plan (the "Plan"). Outperformance Plan 2014 Outperformance Plan 2014 [Member] The Kite Realty Group Trust 2014 Outperformance Plan. Outperformance Plan 2016 Outperformance Plan 2016 [Member] Outperformance Plan 2016 Outperformance Plan 2014 and 2016 Outperformance Plan 2014 and 2016 [Member] Outperformance Plan 2014 and 2016 [Member] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Employee Stock Option Employee Stock Option [Member] Restricted Stock Restricted Stock [Member] Restricted Performance Stock Units Restricted Performance Stock Units [Member] Restricted Performance Stock Units [Member] Time-Based Restricted Stock Units Time-Based Restricted Stock Unit [Member] Time-Based Restricted Unit [Member] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Scenario, Forecast Scenario, Forecast [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Number of additional shares authorized (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized Allocated share-based compensation expense Allocated Share-based Compensation Expense Allocation of recognized period costs, capitalized amount Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount Number of shares available for grant (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Award vesting period (in years) Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Expiration period (in years) Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercises in period, intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Compensation cost not yet recognized (less than) Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Period for recognition (in years) Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Deferred compensation share-based arrangements, liability Deferred Compensation Share-based Arrangements, Liability, Current and Noncurrent Award requisite service period (in years) Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period Aggregate intrinsic value, nonvested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested Number of executive officers Number Of Executive Officers Number Of Executive Officers Percent of compensation in time-based restricted shares (as percent) Share-based Compensation Arrangement by Share-based Payment Award, Percent of Compensation in Time-based Restricted Shares Share-based Compensation Arrangement by Share-based Payment Award, Percent of Compensation in Time-based Restricted Shares Award measurement period (in years) Share-based Compensation Arrangement by Share-based Payment Award, Award Measurement Period Share-based Compensation Arrangement by Share-based Payment Award, Award Measurement Period Percent of compensation based on absolute total shareholder return (as percent) Share-based Compensation Arrangement by Share-based Payment Award, Percent of Compensation Based on Absolute Total Shareholder Return Share-based Compensation Arrangement by Share-based Payment Award, Percent of Compensation Based on Absolute Total Shareholder Return Percent of compensation based on relative total shareholder return (as percent) Share-based Compensation Arrangement by Share-based Payment Award, Percent of Compensation Based on Relative Total Shareholder Return Share-based Compensation Arrangement by Share-based Payment Award, Percent of Compensation Based on Relative Total Shareholder Return Percent of compensation on achievement of defined FAD (as percent) Share-based Compensation Arrangement by Share-based Payment Award, Percent of Compensation Based on Defined Funds Available for Distribution Share-based Compensation Arrangement by Share-based Payment Award, Percent of Compensation Based on Defined Funds Available for Distribution Share-based compensation arrangement by share-based payment award, target value of awards granted Share-based Compensation Arrangement by Share-based Payment Award, Target Value of Awards Granted Share-based Compensation Arrangement by Share-based Payment Award, Target Value of Awards Granted Percent of compensation in three-year performance shares (as percent) Share-based Compensation Arrangement by Share-based Payment Award, Percent of Compensation in Performance Shares Share-based Compensation Arrangement by Share-based Payment Award, Percent of Compensation in Performance Shares Incremental adjustment amount (as percent) Share-based Compensation Arrangement by Share-based Payment Award, Percent of Compensation Based on Defined Funds Available for Distribution, Incremental Change Percentage Share-based Compensation Arrangement by Share-based Payment Award, Percent of Compensation Based on Defined Funds Available for Distribution, Incremental Change Percentage SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward] Balance, beginning of year SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross Acquisitions SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Other Acquisition Improvements SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Improvements Impairment SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Write-down or Reserve, Amount Disposals SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Cost of Investment in Real Estate Sold Balance, end of year Federal income tax basis SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Federal Income Tax Basis Discontinued Operations and Disposal Groups [Abstract] Disposals of Operating Properties and Impairment Charge Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Statement of Partners' Capital [Abstract] Statement [Table] Statement [Table] Partner Type [Axis] Partner Type [Axis] Partner Type of Partners' Capital Account, Name [Domain] Partner Type of Partners' Capital Account, Name [Domain] General Partner General Partner [Member] Partner Capital Components [Axis] Partner Capital Components [Axis] Partner Capital Components [Domain] Partner Capital Components [Domain] Common Equity Common Stock [Member] Accumulated Other Comprehensive (Loss) Income AOCI Attributable to Parent [Member] Statement [Line Items] Statement [Line Items] Beginning balance Partners' Capital Stock compensation activity Partners' Capital Account, Unit-based Compensation Capital Contribution from the General Partner Partners' Capital Account, Contributions Other comprehensive income (loss) attributable to Parent Company Other Comprehensive Income (Loss), Net of Tax Distributions declared to Parent Company General Partners' Capital Account, Period Distribution Amount Net income (loss) attributable to Parent Company Net Income (Loss) Attributable to Parent Acquisition of partner's interest in Fishers Station operating property Partners' Capital Account, Acquisitions Conversion of Limited Partner Units to shares of the Parent Company Partners' Capital Account, Exchanges and Conversions Adjustment to redeemable noncontrolling interests Partners' Capital Account, Adjustment to Redeemable Noncontrolling Interests Partners' Capital Account, Adjustment to Redeemable Noncontrolling Interests Ending balance Mortgage and Other Indebtedness Debt Disclosure [Text Block] Scheduled Principal Payments Annual Principal Payments [Abstract] Annual Principal Payments [Abstract] 2019 Long-term Debt, Maturities, Repayments of Annual Principal Payments in Next Twelve Months Long-term Debt, Maturities, Repayments of Annual Principal Payments in Next Twelve Months 2020 Long-term Debt, Maturities, Repayments of Annual Principal Payments in Year Two Long-term Debt, Maturities, Repayments of Annual Principal Payments in Year Two 2021 Long-term Debt, Maturities, Repayments of Annual Principal Payments in Year Three Long-term Debt, Maturities, Repayments of Annual Principal Payments in Year Three 2022 Long-term Debt, Maturities, Repayments of Annual Principal Payments in Year Four Long-term Debt, Maturities, Repayments of Annual Principal Payments in Year Four 2023 Long-term Debt, Maturities, Repayments of Annual Principal Payments in Year Five Long-term Debt, Maturities, Repayments of Annual Principal Payments in Year Five Thereafter Long-term Debt, Maturities, Repayments of Annual Principal Payments after Year Five Long-term Debt, Maturities, Repayments of Annual Principal Payments after Year Five Scheduled Principal Payments Long-term Debt, Annual Principal Payments, Gross Long-term Debt, Annual Principal Payments, Gross Term Maturities Term Maturity [Abstract] Term Maturity [Abstract] 2019 Long-term Debt, Maturities, Repayments of Term Maturity in Next Twelve Months Long-term Debt, Maturities, Repayments of Term Maturity in Next Twelve Months 2020 Long-term Debt, Maturities, Repayments of Term Maturity in Year Two Long-term Debt, Maturities, Repayments of Term Maturity in Year Two 2021 Long-term Debt, Maturities, Repayments of Term Maturity in Year Three Long-term Debt, Maturities, Repayments of Term Maturity in Year Three 2022 Long-term Debt, Maturities, Repayments of Term Maturity in Year Four Long-term Debt, Maturities, Repayments of Term Maturity in Year Four 2023 Long-term Debt, Maturities, Repayments of Term Maturity in Year Five Long-term Debt, Maturities, Repayments of Term Maturity in Year Five Thereafter Long-term Debt, Maturities, Repayments of Term Maturity after Year Five Long-term Debt, Maturities, Repayments of Term Maturity after Year Five Term Maturities Long-term Debt, Term Maturity, Gross Long-term Debt, Term Maturity, Gross Total Long-term Debt, Fiscal Year Maturity [Abstract] 2019 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months 2020 Long-term Debt, Maturities, Repayments of Principal in Year Two 2021 Long-term Debt, Maturities, Repayments of Principal in Year Three 2022 Long-term Debt, Maturities, Repayments of Principal in Year Four 2023 Long-term Debt, Maturities, Repayments of Principal in Year Five Thereafter Long-term Debt, Maturities, Repayments of Principal after Year Five Total Long-term Debt, Gross Unamortized net debt premiums and issuance costs, net Debt Instrument, Unamortized Discount (Premium), Net Long-term debt Long-term Debt Leases, Acquired-in-Place Leases, Acquired-in-Place [Member] Amortization of debt issuance costs Amortization of Debt Issuance Costs Deferred Costs and Intangibles, net Other Assets Disclosure [Text Block] Accounting Policies [Abstract] Basis of Presentation and Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Lease Information Leases of Lessor Disclosure [Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Outstanding, aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Exercisable, aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Outstanding, remaining contractual term Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Exercisable, remaining contractual term Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Exercisable (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Exercisable (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Outstanding, beginning of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Exercised (in shares) Expired (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Outstanding, end of period (in shares) Weighted-Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Outstanding, beginning of period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Expired (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Forfeited (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Outstanding, end of period (in dollars per share) Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Building and Improvements Building and Building Improvements [Member] Equipment and Fixtures Furniture and Fixtures [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property, plant and equipment, useful life (in years) Property, Plant and Equipment, Useful Life Investment [Table] Investment [Table] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Group Name [Domain] Disposal Group Name [Domain] Livingston Shopping Center, Plaza Volente, and Tamiami Crossing Livingston Shopping Center, Plaza Volente, and Tamiami Crossing [Member] Livingston Shopping Center, Plaza Volente, and Tamiami Crossing [Member] Embassy Suites Joint Venture Embassy Suites Joint Venture [Member] Embassy Suites Joint Venture [Member] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Fee income Management Service [Member] Co-venturer Co-venturer [Member] Construction Loan Construction Loan Payable [Member] Fishers Station Fishers Station [Member] Fishers Station [Member] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2014-09 Accounting Standards Update 2014-09 [Member] Accounting Standards Update 2016-02 Accounting Standards Update 2016-02 [Member] Ownership [Axis] Ownership [Axis] Ownership [Domain] Ownership [Domain] Operating Partnership Operating Partnership [Member] Capital Units by Class [Axis] Capital Units by Class [Axis] Capital Unit, Class [Domain] Capital Unit, Class [Domain] Capital Unit, Class B Capital Unit, Class B [Member] Noncontrolling Interests [Axis] Noncontrolling Interests [Axis] Noncontrolling Interests [Domain] Noncontrolling Interests [Domain] Redeemable Noncontrolling Interests Redeemable Noncontrolling Interests [Member] Investment [Line Items] Investment [Line Items] Variable interest entity, number of entities Variable Interest Entity, Number of Entities Variable interest entity, consolidated, carrying amount, liabilities Variable Interest Entity, Consolidated, Carrying Amount, Liabilities Variable interest entity, consolidated, carrying amount, assets Variable Interest Entity, Consolidated, Carrying Amount, Assets Consideration received Disposal Group, Including Discontinued Operation, Consideration Equity method investment Equity Method Investments, Fair Value Disclosure Ownership percentage in equity method investment (as percent) Equity Method Investment, Ownership Percentage Total revenue Revenues Payments to acquire equity method investments Payments to Acquire Equity Method Investments Construction loan payable Construction Payable Acquisition of partner's interest in Fishers Station operating property Payments for Purchase of Noncontrolling Interest The cash outflow during the period for purchase of noncontrolling interests. Gains on sale of operating properties Gain (Loss) on Sale of Properties Provision for credit losses, net of recoveries as percent of total revenues (as percent) Allowance for Doubtful Accounts, Percentage of Revenues Allowance for Doubtful Accounts, Percentage of Revenues Weighted average limited partnership units outstanding, basic (in shares) Weighted Average Limited Partnership Units Outstanding, Basic Antidilutive securities excluded from computation of earnings per share (less than) (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Number of operating segments Number of Operating Segments Noncontrolling interest, ownership percentage by parent Noncontrolling Interest, Ownership Percentage by Parent Noncontrolling interest, ownership percentage by noncontrolling owners Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners Limited partners' capital account, units outstanding (in shares) Limited Partners' Capital Account, Units Outstanding Number of joint ventures in which units are issued Number of Joint Ventures in which Units are Issued Number of Joint Ventures in which Units are Issued Number of joint ventures in which units are issued, noncontrolling interest Number of Joint Ventures in which Units are Issued, Noncontrolling Interest Number of Joint Ventures in which Units are Issued, Noncontrolling Interest New accounting pronouncement or change in accounting principle, change in revenue (as percent) New Accounting Pronouncement or Change in Accounting Principle, Change in Revenue, Percent New Accounting Pronouncement or Change in Accounting Principle, Change in Revenue, Percent New accounting pronouncement or change in accounting principle, recognized gains as a percent of revenue (as percent) New Accounting Pronouncement Or Change In Accounting Principle, Recognized Gains As A Percent Of Revenue New Accounting Pronouncement Or Change In Accounting Principle, Recognized Gains As A Percent Of Revenue Proceeds from sale of real estate Proceeds from Sale of Real Estate Gain on disposal Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Operating lease, right-of-use asset Operating Lease, Right-of-Use Asset Noncontrolling interest, decrease from redemptions or purchase of interests Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests General, administrative, and other General and Administrative Expense Depreciation and amortization Depreciation, Depletion and Amortization Income Statement [Abstract] Tenant reimbursements Tenant Reimbursement [Member] Tenant Reimbursement [Member] Other property related revenue Real Estate, Other [Member] Revenue: Revenues [Abstract] Minimum rent Operating Leases, Income Statement, Minimum Lease Revenue Total revenue Expenses: Operating Expenses [Abstract] Property operating Direct Costs of Leased and Rented Property or Equipment Real estate taxes Real Estate Tax Expense Transaction costs Acquisition Costs, Period Cost Depreciation and amortization Impairment charge Asset Impairment Charges Total expenses Operating Expenses Gains on sale of operating properties, net Gain (Loss) on Sale of Properties, Net of Applicable Income Taxes Operating income Operating Income (Loss) Interest expense Interest Expense Income tax benefit (expense) of taxable REIT subsidiary Income Tax Expense (Benefit) Equity in loss of unconsolidated subsidiary Income (Loss) from Equity Method Investments Other expense, net Nonoperating Income (Expense) Consolidated net (loss) income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Net income attributable to parent Net income attributable to common shareholders Net Income (Loss) Available to Common Stockholders, Basic Allocation of net (loss) income: Partnership Income [Abstract] Limited Partners Net Income (Loss) Allocated to Limited Partners Parent Company Net Income (Loss) Allocated to General Partners Net income per common share – basic: Earnings Per Share, Basic [Abstract] Net income per common share – basic (in dollars per share) Earnings Per Share, Basic Net income per common share – diluted: Earnings Per Share, Diluted [Abstract] Net income per common share – diluted (in dollars per share) Earnings Per Share, Diluted Weighted average common shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Weighted average common shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Dividends declared per common share (in dollars per share) Common Stock, Dividends, Per Share, Declared Change in fair value of derivatives Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Total comprehensive (loss) income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive loss (income) attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive income attributable to parent Comprehensive Income (Loss), Net of Tax, Attributable to Parent Schedule of Real Estate Properties [Table] Schedule of Real Estate Properties [Table] Operating Properties Operating Properties [Member] Properties classified as operating properties. Office Properties Office Properties [Member] Properties classified for office use. Development And Redevelopment Properties Development And Redevelopment Properties [Member] Properties classified as Development and Redevelopment Properties. Other Property Other Property [Member] Line of Credit/Term Loans/Unsecured Notes Line of Credit Term Loans Unsecured Notes [Member] Line of Credit Term Loans Unsecured Notes [Member] 12th Street Plaza The 12th Street Plaza [Member] The 12th Street Plaza in Vero Beach, FL. 54th & College Fifty Fourth And College [Member] Shopping center at 54th & College Bayonne Crossing Bayonne Crossing [Member] Operating property at Bayonne Crossing. Bayport Commons Bayport Commons [Member] Shopping center at Bayport Commons Beacon Hill Beacon Hill Shopping Center [Member] Shopping center at Beacon Hill Beechwood Promenade Beechwood Promenade [Member] Shopping center at Beechwood Promenade Bell Oaks Centre Bell Oaks Centre [Member] Operating property at Bell Oaks Centre. Belle Isle Belle Isle Station [Member] Belle Isle Station [Member] Bolton Plaza Bolton Plaza [Member] Bolton Plaza. Boulevard Crossing Boulevard Crossings [Member] Shopping center at Boulevard Crossings Bridgewater Marketplace Bridgewater Marketplace [Member] Shopping center at Bridgewater Marketplace Burlington Coat Factory Burlington Coat Factory [Member] Shopping center at Burlington Coat Burnt Store Promenade Burnt Store Promenade [Member] Shopping center at Burnt Store Promenade Cannery Corner Cannery Corner [Member] Operating property at Cannery Corner. Castleton Crossing Castleton Crossing [Member] Castleton Crossing [Member] Chapel Hill Shopping Center Chapel Hill Shopping Center [Member] Chapel Hill Shopping Center [Member] City Center City Center [Member] Acquisition of interests in the City Center operating property. Centennial Center Centennial Center [Member] Operating property at Centennial Center. Centennial Gateway Centennial Gateway [Member] Operating property at Centennial Gateway Centre Point Commons Centre Point Commons [Member] Operating property at Centre Point Commons Cobblestone Plaza Cobblestone Plaza [Member] Shopping center at Cobblestone Plaza Colonial Square Colonial Square [Member] Operating property at Colonial Square Colleyville Downs Colleyville Downs [Member] Colleyville Downs [Member] Cool Creek Commons Cool Creek Commons [Member] Shopping center at Cool Creek Commons Cool Springs Market Cool Springs Market [Member] Cool Springs Market [Member] Crossing at Killingly Commons Crossing At Killingly Commons [Member] Operating property at Crossing at Killingly Commons Delray Marketplace Delray Marketplace [Member] Under construction project at Delray Marketplace DePauw University Bookstore & Café De Pauw University Bookstore And Cafe [Member] Shopping center at DePauw University Bookstore and Cafe. Draper Crossing Draper Crossing [Member] Operating property at Draper Crossing Draper Peaks Draper Peaks [Member] Operating property at Draper Peaks Eastern Beltway Center Eastern Beltway [Member] Operating property at Eastern Beltway Eastgate Eastgate [Member] Operating property at Eastgate Eastgate Pavilion Eastgate Pavilion [Member] Shopping center at Eastgate Pavilion Eddy Street Commons Eddy Street Commons [Member] Ownership interest in an investment that owned a limited service hotel at the Eddy Street Commons property. Estero Town Commons Estero Town Commons [Member] Shopping center at Estero Town Commons Gainesville Plaza Gainesville Plaza [Member] Shopping center at Gainesville Plaza Geist Pavilion Geist Pavilion [Member] Shopping center at Geist Pavilion Glendale Town Center Glendale Town Center [Member] Shopping center at Glendale Town Center Greyhound Commons Greyhound Commons [Member] Shopping center at Greyhound Commons Hitchcock Plaza Hitchcock Plaza [Member] Operating property at Hitchcock Plaza Holly Springs Towne Center Holly Springs Towne Center - Phase I [Member] Shopping center at Holly Springs Towne Center - Phase I Holly Springs Towne Center - Phase II Holly Springs Towne Center - Phase II [Member] Other property at Holly Springs - Phase II Hunters Creek Promenade Hunters Creak Promenade [Member] Shopping center at Hunters Creak Promenade Indian River Square Indian River Square [Member] Shopping center at Indian River Square International Speedway Square International Speedway Square [Member] Shopping center at International Speedway Square King's Lake Square Kings Lake Square [Member] Kings Lake Square. Kingwood Commons Kingwood Commons [Member] Shopping center at Kingwood Commons Lake City Commons Lake City Commons [Member] Operating property at Lake City Commons Lake City Commons - Phase II Lake City Commons- Phase II [Member] Lake City Commons- Phase II [Member] Lake Mary Plaza Lake Mary Plaza [Member] Operating property at Lake Mary Plaza Lakewood Promenade Lakewood Promenade [Member] Shopping center at Lakewood Promenade Landstown Commons Landstown Commons [Member] Operating property at Landstown Commons Lima Marketplace Lima Marketplace [Member] Operating property at Lima Marketplace Lithia Crossing Lithia Crossing [Member] Lithia Crossing in Tampa, FL. Market Street Village Market Street Village [Member] Shopping center at Market Street Village Merrimack Village Center Merrimack Village Center [Member] Operating property at Merrimack Village Center Miramar Square Miramar Square [Member] Operating property at Miramar Square Mullins Crossing Mullins Crossing [Member] Mullins Crossing Naperville Marketplace Naperville Marketplace [Member] Shopping center at Naperville Marketplace Northcrest Shopping Center Northcrest Shoping Center [Member] Operating property at Northcrest Shoping Center Northdale Promenade Northdale Promenade [Member] Shopping center at Northdale Promenade Oleander Place Oleander Place [Member] Shopping center at Oleander Place Palm Coast Landing Palm Coast Landing [Member] Operating property at Palm Coast Landing Parkside Town Commons - Phase I Parkside Town Commons Phase I [Member] Under construction project at Parkside Town Commons - Phase I Parkside Town Commons - Phase II Parkside Town Commons Phase II [Member] Under construction project at Parkside Town Commons Phase II Perimeter Woods Perimeter Woods [Member] Operating property at Perimeter Woods Pine Ridge Crossing Pine Ridge Crossing [Member] Pine Ridge Crossing Plaza at Cedar Hill Plaza at Cedar Hill [Member] Shopping center at Plaza at Cedar Hill Pleasant Hill Commons Pleasant Hill Commons [Member] Operating property at Pleasant Hill Commons Portofino Shopping Center Portofino Shopping Center [Member] Shopping center at Portofino Publix at Acworth Publix At Acworth [Member] Shopping center at Publix at Acworth Publix at Woodruff Publix At Woodruff [Member] Publix at Woodruff. Rampart Commons Rampart Commons [Member] Rampart Commons [Member] Rangeline Crossing Rangeline Crossing [Member] Redevelopment of Rangeline Corssing near Indianapolis, IN. Riverchase Plaza Riverchase Plaza [Member] Riverchase Plaza Rivers Edge Rivers Edge [Member] Shopping center at Rivers Edge Saxon Crossing Saxon Crossing [Member] Operating property at Saxon Crossing Shoppes at Plaza Green Shoppes at Plaza Green [Member] Plaza Green at Woodruff. Shoppes of Eastwood Shoppes Of Eastwood [Member] Shoppes Of Eastwood [Member] Shops at Eagle Creek Shops At Eagle Creek [Member] Shopping center at Eagle Creek Shops at Julington Creek Shops At Julington Creek [Member] Operating property at Shops at Julington Creek Shops at Moore Shops At Moore [Member] Operating property at Shops at Moore Silver Springs Pointe Silver Springs Pointe [Member] Operating property at Silver Springs Pointe South Elgin Commons South Elgin Commons [Member] Operating property at South Elgin Commons Stoney Creek Commons Stoney Creek Commons [Member] Shopping center at Stoney Creek Commons Sunland Towne Centre Sunland Towne Centre [Member] Shopping center at Sunland Towne Centre Tarpon Bay Plaza Tarpon Bay Plaza [Member] Shopping center at Tarpon Bay Plaza Temple Terrace Temple Terrace [Member] Operating property at Temple Terrace The Centre at Panola The Centre At Panola [Member] Shopping center at Panola The Corner The Corner [Member] Shopping center at The Corner The Landing at Tradition The Landing At Tradition [Member] Operating property at The Landing at Tradition Toringdon Market Toringdon Market [Member] Toringdon Market [Member] Traders Point Traders Point [Member] Traders Point [Member] Traders Point II Traders Point II [Member] Shopping center at Traders Point II Tradition Village Center Tradition Village Center [Member] Operating property at Tradition Village Center University Town Center University Town Center [Member] Operating property at University Town Center University Town Center - Phase II University Town Center - Phase II [Member] University Town Center - Phase II [Member] Village at Bay Park Village At Bay Park [Member] The Village at Bay Park operating property. Waterford Lakes Village Waterford Lakes Village [Member] Shopping center at Waterford Lakes Village Waxahachie Crossing Waxahachie Crossing [Member] Operating property at Waxahachie Crossing Westside Market Westside Market [Member] Operating property at Westside Market Thirty South Thirty South [Member] Commercial property at Thirty South Union Station Parking Garage Union Station Parking Garage [Member] Commercial property at Union Station Parking Garage Courthouse Shadows Courthouse Shadows [Member] Shopping center at Courthouse Shadows Hamilton Crossing Centre Hamilton Crossing Centre [Member] Hamilton Crossing Centre [Member] The Corner The Corner II [Member] Operating property at The Corner, included as an unencumbered pool property. Eddy Street Commons Eddy Street Commons - Phase II [Member] Eddy Street Commons - Phase II [Member] KRG Development KRG Development [Member] Under construction project at KRG Development KRG New Hill KRG New Hill [Member] Development project at KRG New Hill KRG Peakway KRG Peakway [Member] Other property at KRG Peakway Pan Am Plaza Pan Am Plaza [Member] Other property at Pan Am Plaza Real Estate Properties [Line Items] Real Estate Properties [Line Items] Encumbrances SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances Initial cost, land SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land Initial cost, building & improvements SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements Costs capitalized subsequent to acquisition/development, land SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Land Costs capitalized subsequent to acquisition/development, buildings and improvements SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Building and Improvements Gross carry amount close of period, land SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount Gross carry amount close of period, building and improvements SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount Gross carry amount close of period, total Accumulated depreciation SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Investment properties, at cost: Real Estate Investment Property, at Cost [Abstract] Land, buildings and improvements Land, Investment Building and Improvements Land, investment building and building improvements Furniture, equipment and other Fixtures and Equipment, Gross Construction in progress Development in Process Investment properties, at cost Real Estate Investment Property, at Cost Deferred Revenue, Intangibles, Net and Other Liabilities Other Liabilities Disclosure [Text Block] Schedule of Future Minimum Lease Payments to be Received Schedule of Future Minimum Lease Payments to be Received [Table Text Block] Schedule of future minimum lease payments to be received. Schedule of Future Minimum Rental Payments for Operating Leases Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Disposed of by sale Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Trussville Promenade, Memorial Commons, Lake Lofts at Deerwood, Hamilton Crossing, Fox Lake Crossing and Lowe's Plaza Trussville Promenade, Memorial Commons, Lake Lofts at Deerwood, Hamilton Crossing, Fox Lake Crossing and Lowe's Plaza [Member] Trussville Promenade, Memorial Commons, Lake Lofts at Deerwood, Hamilton Crossing, Fox Lake Crossing and Lowe's Plaza [Member] Cove Center, Clay Marketplace, Shops at Village Walk and Wheatland Towne Crossing Cove Center, Clay Marketplace, Shops at Village Walk and Wheatland Towne Crossing [Member] Cove Center, Clay Marketplace, Shops at Village Walk and Wheatland Towne Crossing Publix at St. Cloud and Shops at Otty Publix at St. Cloud and Shops at Otty [Member] Publix at St. Cloud and Shops at Otty Scenario, Plan Scenario, Plan [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Four unnamed impaired properties Unnamed Property Four, Unnamed Property Five, Unnamed Property Six and Unnamed Property Seven [Member] Unnamed Property Four, Unnamed Property Five, Unnamed Property Six and Unnamed Property Seven [Member] Two unnamed impaired properties Unnamed Property Two and Unnamed Property Three [Member] Unnamed Property Two and Unnamed Property Three [Member] Unnamed impaired property Unnamed Property [Member] Unnamed Property [Member] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Real estate held-for-sale Real Estate Held-for-sale Depreciation and amortization Property, plant, and equipment, fair value disclosure Property, Plant, and Equipment, Fair Value Disclosure Schedule of Participating Mortgage Loans Schedule of Participating Mortgage Loans [Table Text Block] Deferred Cost Amortization Deferred Cost Amortization [Table Text Block] Tabular disclosure for the amortization of deferred costs. Schedule of Maturities of Long-term Debt Schedule of Maturities of Long-term Debt [Table Text Block] Schedule of Real Estate Properties Schedule of Real Estate Properties [Table Text Block] Allowance for Credit Losses on Financing Receivables Allowance for Credit Losses on Financing Receivables [Table Text Block] Schedule of Concentration by Risk Factor Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Schedule of Stockholders Equity Schedule of Stockholders Equity [Table Text Block] Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table Text Block] Redeemable Noncontrolling Interest Redeemable Noncontrolling Interest [Table Text Block] Summary of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Summary of Restricted Cash Restrictions on Cash and Cash Equivalents [Table Text Block] Statement of Financial Position [Abstract] Assets: Assets [Abstract] Investment properties at cost: Less: accumulated depreciation Real Estate Investment Property, Accumulated Depreciation Investment properties, net Real Estate Investment Property, Net Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Tenant and other receivables, including accrued straight-line rent, net of allowance for uncollectible accounts Accounts Receivable, Net Restricted cash and escrow deposits Restricted Cash and Cash Equivalents Deferred costs, net Deferred costs, net Carrying amount of deferred costs net of deferred costs associated with properties held for sale. Prepaid and other assets Prepaid Expense and Other Assets Investments in unconsolidated subsidiaries Equity Method Investments Asset held for sale Assets Held-for-sale, Not Part of Disposal Group Total Assets Assets Liabilities and Shareholders' Equity: Liabilities and Equity [Abstract] Mortgage and other indebtedness, net Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities Deferred revenue and other liabilities Total Liabilities Liabilities Commitments and contingencies Commitments and Contingencies Limited partners' interests in Operating Partnership and other redeemable noncontrolling interests Noncontrolling Interest in Operating Partnerships Equity: Equity [Abstract] Shareholders' Equity Stockholders' Equity Attributable to Parent [Abstract] Common Shares Common Stock, Value, Issued Additional paid in capital Additional Paid in Capital Accumulated other comprehensive (loss) income Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated deficit Retained Earnings (Accumulated Deficit) Total Shareholders' Equity Stockholders' Equity Attributable to Parent Noncontrolling Interest Stockholders' Equity Attributable to Noncontrolling Interest Total Equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total Liabilities and Shareholders' Equity Liabilities and Equity Number of Restricted Units Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Outstanding, beginning balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Restricted units granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Restricted units vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Outstanding, ending balance (in shares) Weighted Average Grant Date Fair Value per unit Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Outstanding, beginning balance (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 Restricted units 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 Restricted units 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 Outstanding, ending balance (in dollars per share) Vested in period, fair value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Number of Restricted Shares Shares granted (in shares) Shares forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Shares vested (in shares) Weighted Average Grant Date Fair Value per share Shares granted (in dollars per share) Shares 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 Shares vested (in dollars per share) Fair value of restricted shares vested Amortization of deferred leasing costs, lease intangibles and other Amortization of Deferred Leasing Costs, Lease Intangibles and Other The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of deferred leasing costs, lease intangibles and other over their estimated remaining economic lives. Amortization of above market lease intangibles Amortization of Above Market Lease Intangibles Amortization of Above Market Lease Intangibles Organization Nature of Operations [Text Block] Participating Mortgage Loans [Table] Participating Mortgage Loans [Table] Mortgages Mortgages [Member] Unsecured Term Loans, Maturing July 2021 Unsecured Term Loans, Maturing July 2021 [Member] Unsecured Term Loans, Maturing July 2021 [Member] Unsecured Term Loans, Maturing October 2025 Unsecured Term Loans, Maturing October 2025 [Member] Unsecured Term Loans, Maturing October 2025 [Member] Unsecured Term Loans, Maturing October 2022 Unsecured Term Loans, Maturing October 2022 [Member] Unsecured Term Loans, Maturing October 2022 [Member] Participating Mortgage Loans [Line Items] Participating Mortgage Loans [Line Items] Principal Long-term Debt, Principal Balance Long-term Debt, Principal Balance Unamortized Net Premiums Debt Instrument, Unamortized Premium Unamortized Debt Issuance Costs Debt Issuance Costs, Net Unamortized Debt Issuance Costs Debt Issuance Costs, Line of Credit Arrangements, Net Interest rate during period (as percent) Debt Instrument, Interest Rate During Period Basis spread on variable rate (as percent) Debt Instrument, Basis Spread on Variable Rate Interest rate, effective percentage (as percent) Debt Instrument, Interest Rate, Effective Percentage Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments, Hedging Activities and Other Comprehensive Income Derivative Instruments and Hedging Activities Disclosure [Text Block] Cash and cash equivalents Restricted cash Total cash, cash equivalents, and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Related Party Transactions [Abstract] Related Parties and Related Party Transactions Related Party Transactions Disclosure [Text Block] Subsequent Event [Table] Subsequent Event [Table] Subsequent Event [Line Items] Subsequent Event [Line Items] Statement of Stockholders' Equity [Abstract] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Shares Additional Paid-in Capital Additional Paid-in Capital [Member] Accumulated Deficit Retained Earnings [Member] Beginning balances (in shares) Shares, Outstanding Beginning balances Stock compensation activity (in shares) Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Stock compensation activity Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Issuance of common shares under at-the-market plan, net (in shares) Stock Issued During Period, Shares, New Issues Issuance of common shares under at-the-market plan, net Stock Issued During Period, Value, New Issues Other comprehensive income attributable to Kite Realty Group Trust Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Distributions declared to common shareholders Dividends, Common Stock Net income (income) attributable to Kite Realty Group Trust Acquisition of partner's noncontrolling interest in Fishers Station operating property Exchange of redeemable noncontrolling interests for common shares (in shares) Stock Issued During Period, Shares, Conversion of Units Exchange of redeemable noncontrolling interests for common shares Stock Issued During Period, Value, Conversion of Units Adjustment to redeemable noncontrolling interests Noncontrolling Interest, Period Increase (Decrease) Ending balances (in shares) Ending balances Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Cash Flow Hedging Cash Flow Hedging [Member] Nature of Expense [Axis] Nature of Expense [Axis] Interim Period, Costs Not Allocable [Domain] Interim Period, Costs Not Allocable [Domain] Accrued Interest Accrued Interest [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Prepaid Expenses and Other Current Assets Prepaid Expenses and Other Current Assets [Member] Accounts Payable and Accrued Liabilities Accounts Payable and Accrued Liabilities [Member] Derivative, by Nature [Axis] Derivative Instrument [Axis] Derivative, Name [Domain] Derivative Contract [Domain] Increase As Hedged Forecasted Interest Payments Occur Decrease As Hedged Forecasted Interest Payments Occur [Member] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative, notional amount Derivative, Notional Amount Average cap interest rate (as percent) Derivative, Average Cap Interest Rate Interest rate fair value hedge liability at fair value Interest Rate Fair Value Hedge Liability at Fair Value Interest rate fair value hedge asset at fair value Interest Rate Fair Value Hedge Asset at Fair Value Gain (loss) reclassified from AOCI into income, effective portion, net Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Interest expense Noncontrolling Interest [Table] Noncontrolling Interest [Table] Other Ownership Interests Name [Axis] Other Ownership Interests Name [Axis] Other Ownership Interests, Name [Domain] Other Ownership Interests, Name [Domain] Excluding Redeemable Non-Controlling Interests Excluding Redeemable Non Controlling Interests [Member] Noncontrolling Interest [Line Items] Noncontrolling Interest [Line Items] Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward] Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward] Noncontrolling interests balance January 1 Net income allocable to noncontrolling interests, excluding redeemable noncontrolling interests Distributions to noncontrolling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Noncontrolling interests balance at December 31 SEC Schedule III - Consolidated Real Estate and Accumulated Depreciation SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Text Block] Schedule of Deferred Revenue and Other Liabilities Other Liabilities [Table Text Block] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Share-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Accrued straight-line rent Accrued Rent Common Shares, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common shares, shares authorized (in shares) Common Stock, Shares Authorized Common Shares, shares issued Common Stock, Shares, Issued Common shares outstanding (in shares) Common Stock, Shares, Outstanding Commitments and Contingencies Disclosure [Abstract] Loss Contingencies [Table] Loss Contingencies [Table] Construction Loans Construction Loans [Member] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Payment Guarantee Payment Guarantee [Member] Underlying Asset Class [Axis] Underlying Asset Class [Axis] Underlying Asset Class [Domain] Underlying Asset Class [Domain] Construction Contracts Construction Contracts [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Current value of obligation Guarantor Obligations, Current Carrying Value Quarterly Financial Information Disclosure [Abstract] Operating income (loss) Consolidated net income (loss) Net income (loss) attributable to Kite Realty Group Trust common shareholders Net income (loss) per common share – basic and diluted (in dollars per share) Earnings Per Share, Basic and Diluted Weighted average Common Shares outstanding - basic (in shares) Weighted average Common Shares outstanding - diluted (in shares) Stockholders' Equity Note [Abstract] Shareholders’ Equity Stockholders' Equity Note Disclosure [Text Block] Statement of Cash Flows [Abstract] Noncontrolling Interests in Properties Noncontrolling Interests In Properties [Member] Cash flow from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Consolidated net (loss) income Adjustments to reconcile consolidated net (loss) income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Gain on sale of operating properties Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Impairment charge Asset Impairment Charges, Including Discontinued Operations Asset Impairment Charges, Including Discontinued Operations Loss on debt extinguishment Gain (Loss) on Extinguishment of Debt Straight-line rent Other Operating Income Depreciation and amortization Other Depreciation and Amortization Provision for credit losses, net of recoveries Provision for Other Credit Losses Compensation expense for equity awards Share-based Compensation Amortization of debt fair value adjustment Amortization of Debt Discount (Premium) Amortization of in-place lease liabilities Amortization of above and below Market Leases Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Tenant receivables Straight Line Rent Deferred costs and other assets Increase (Decrease) in Other Operating Assets Accounts payable, accrued expenses, deferred revenue, and other liabilities Increase (Decrease) in Other Operating Liabilities Payments on assumed earnout liability Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flow from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Capital expenditures, net Payments to Acquire Property, Plant, and Equipment Net proceeds from sales of operating properties Change in construction payables Payments for Construction in Process Collection of note receivable Proceeds from Collection of Notes Receivable Capital contribution to unconsolidated joint venture Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Cash flow from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from issuance of common shares, net Proceeds from Issuance of Common Stock Repurchases of common shares upon the vesting of restricted shares Payments for Repurchase of Common Stock Acquisition of partner's interest in Fishers Station operating property Loan transaction costs Payments of Loan Costs Loan payments Loss on debt extinguishment Payment for Debt Extinguishment or Debt Prepayment Cost Distributions paid – common shareholders Payments of Ordinary Dividends, Common Stock Distributions to noncontrolling interests Payments of Ordinary Dividends, Noncontrolling Interest Acquisition of partners' interests in Territory joint venture Payment for Partial Redemption of Redeemable Noncontrolling Interest Payment for Partial Redemption of Redeemable Noncontrolling Interest Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Increase (decrease) in cash, cash equivalents, and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Cash, cash equivalents, and restricted cash beginning of year Cash, cash equivalents, and restricted cash end of year Supplemental disclosures Supplemental Cash Flow Elements [Abstract] Cash paid for interest, net of capitalized interest Interest Paid, Excluding Capitalized Interest, Operating Activities Cash paid for taxes Income Taxes Paid, Net Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Schedule of Stock Options Activity Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule of Restricted Stock Activity Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Parent Company’s weighted average interest in Operating Partnership Noncontrolling Interest, Weighted Average Ownership Percentage by Parent Noncontrolling Interest, Weighted Average Ownership Percentage by Parent Limited partners' weighted average interests in Operating Partnership Noncontrolling Interest, Weighted Average Ownership Percentage by Noncontrolling Owners Noncontrolling Interest, Weighted Average Ownership Percentage by Noncontrolling Owners Schedule of Operating Property Dispositions Disposal Groups, Including Discontinued Operations [Table Text Block] Allowance for Doubtful Accounts Receivable [Roll Forward] Allowance for Doubtful Accounts Receivable [Roll Forward] Balance, beginning of year Allowance for Doubtful Accounts Receivable Provision for credit losses and accrued straight-line rent, net of recoveries Provision for Doubtful Accounts Accounts written off Allowance for Doubtful Accounts Receivable, Write-offs Balance, end of year Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Consolidation and Investments in Joint Ventures Consolidation, Policy [Policy Text Block] Acquisition of Real Estate Properties Business Combinations Policy [Policy Text Block] Investment Properties Real Estate, Policy [Policy Text Block] Impairment Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Asset Held for Sale and Discontinued Operations Real Estate Held for Development and Sale, Policy [Policy Text Block] Escrow Deposits Deposit Contracts, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Derivative Financial Instruments Derivatives, Policy [Policy Text Block] Revenue Recognition Revenue Recognition Leases, Operating [Policy Text Block] Revenue Recognition, Real Estate Revenue Recognition, Real Estate Transactions, Policy [Policy Text Block] Tenant and Other Receivables and Allowance for Uncollectible Accounts Receivables, Policy [Policy Text Block] Concentration of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Earnings Per Share Earnings Per Share, Policy [Policy Text Block] Segment Reporting Segment Reporting, Policy [Policy Text Block] Income Taxes and REIT Compliance Income Tax, Policy [Policy Text Block] Noncontrolling Interests Investment, Policy [Policy Text Block] Reclassifications Reclassification, Policy [Policy Text Block] Effects of Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Schedule of Quarterly Financial Information Quarterly Financial Information [Table Text Block] Schedule of Operating Leased Assets [Table] Schedule of Operating Leased Assets [Table] Operating Leased Assets [Line Items] Operating Leased Assets [Line Items] Operating lease, term of contract (in years) Lessor, Operating Lease, Term of Contract Operating leases, earned overage rent revenue Operating Leases, Income Statement, Percentage Revenue Number of properties subject to lease Number of Properties Subject to Ground Leases Area of land (in acres) Area of Land Extension option (in years) Extension Option The number of years of lease extension options. Length of extension option (in years) Length of Extension Option The length of the extension options. Rent expense Operating Leases, Rent Expense Redeemable Noncontrolling Interest, by Legal Entity [Table] Redeemable Noncontrolling Interest, by Legal Entity [Table] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Partnership Interest Partnership Interest [Member] Redeemable Noncontrolling Interest [Line Items] Redeemable Noncontrolling Interest [Line Items] Redeemable noncontrolling interests balance January 1 Redeemable Noncontrolling Interest, Equity, Carrying Amount Net income allocable to redeemable noncontrolling interests Distributions declared to redeemable noncontrolling interests Other, net including adjustments to redemption value Noncontrolling Interest, Change in Redemption Value Total limited partners' interests in Operating Partnership and other redeemable noncontrolling interests balance at December 31 Limited partners' interests in Operating Partnership Redeemable Noncontrolling Interest, Equity, Preferred, Carrying Amount Other redeemable noncontrolling interests in certain subsidiaries Redeemable Noncontrolling Interest, Equity, Other, Carrying Amount Total limited partners' interests in Operating Partnership and other redeemable noncontrolling interests balance at December 31 SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, by Property [Table] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, by Property [Table] Building Building [Member] Building Improvements Building Improvements [Member] Furniture and Fixtures SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items] Reconciliation of Real Estate Accumulated Depreciation [Roll Forward] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward] Balance, beginning of year Depreciation expense SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Depreciation Expense Impairment SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Other Deduction Disposals SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Investment in Real Estate Sold Balance, end of year