Debt Disclosure [Abstract] Notes Payable Debt Disclosure [Text Block] Accounting Policies [Abstract] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Quarterly Financial Information Disclosure [Abstract] Quarterly Information (unaudited) Quarterly Financial Information [Text Block] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract] 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] Property, Plant and Equipment, Type Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Land Land [Member] Buildings and improvements Building and Building Improvements [Member] Building Building [Member] Site Improvements Land Improvements [Member] 6 Properties Secured Six Properties Secured [Member] Six properties secured. Range Range [Axis] Range Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Long-term Debt, Type Long-term Debt, Type [Axis] Long-term Debt, Type Long-term Debt, Type [Domain] Term Loan Term Loan [Member] Term loan. Name of Property Name of Property [Axis] Name of Property Name of Property [Domain] 22343-22349 La Palma Avenue La Palma Ave [Member] La palma ave. Real Estate And Accumulated Depreciation [Line Items] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items] Federal income tax basis SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Federal Income Tax Basis Real estate investment cumulative impairment Real Estate Owned, Valuation Allowance, Component Estimated remaining life Property, Plant and Equipment, Useful Life Notes payable Long-term Debt Unamortized debt discount (premium) Debt Instrument, Unamortized Discount (Premium) And Deferred Loan Costs, Net Debt Instrument, Unamortized Discount (Premium) And Deferred Loan Costs, Net Equity [Abstract] Schedule Of Share Based Payment Award, Equity Instruments Other Than Options, Fair Value Assumptions And Grant Date Fair Value Schedule Of Share Based Payment Award, Equity Instruments Other Than Options, Fair Value Assumptions And Grant Date Fair Value [Table Text Block] Schedule Of Share Based Payment Award, Equity Instruments Other Than Options, Fair Value Assumptions And Grant Date Fair Value [Table Text Block] Schedule of LTIP Unit Activity Schedule of Other Share-based Compensation, Activity [Table Text Block] Total Shareholder Return Levels And Vesting Percentages Schedule Of Share-Based Compensation, Total Shareholder Return Levels And Vesting Percentages [Table Text Block] Schedule Of Share-Based Compensation, Total Shareholder Return Levels And Vesting Percentages Schedule of valuation assumptions Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of Unvested Restricted Stock Activity Nonvested Restricted Stock Shares Activity [Table Text Block] Shareholders' Equity and Share-based Payments Shareholders' Equity and Share-based Payments [Text Block] Leases, Operating [Abstract] Operating Leases, Future Minimum Payments Receivable [Abstract] Operating Leases, Future Minimum Payments Receivable [Abstract] 2019 Operating Leases, Future Minimum Payments Receivable, Current 2020 Operating Leases, Future Minimum Payments Receivable, in Two Years 2021 Operating Leases, Future Minimum Payments Receivable, in Three Years 2022 Operating Leases, Future Minimum Payments Receivable, in Four Years 2023 Operating Leases, Future Minimum Payments Receivable, in Five Years Thereafter Operating Leases, Future Minimum Payments Receivable, Thereafter Total Operating Leases, Future Minimum Payments Receivable Fair Value Disclosures [Abstract] Fair Value Measurements Fair Value Disclosures [Text Block] Fair Value By Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Portion at Fair Value Measurement [Member] Fair Value Estimate of Fair Value Measurement [Member] Carrying Value Reported Value Measurement [Member] Fair Value, Hierarchy Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy Fair Value Hierarchy and NAV [Domain] Quoted Price in Active Markets for Identical Assets and Liabilities (Level 1) Fair Value, Inputs, Level 1 [Member] Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Total Fair Value Long-term Debt, Fair Value Schedule of Cash, Cash Equivalents and Restricted Cash Schedule of Cash and Cash Equivalents [Table Text Block] Schedule of Accounts, Notes, Loans and Financing Receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Related Party Transactions [Abstract] Related Party Transactions Related Party Transactions Disclosure [Text Block] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Business Acquisition Business Acquisition [Axis] Business Acquisition, Acquiree Business Acquisition, Acquiree [Domain] REIT Portfolio Acquisition REIT Portfolio Acquisition [Member] REIT Portfolio Acquisition Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Underwriters Underwriters [Member] Underwriters Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Redeemable Convertible Preferred Stock, Series B Series B Preferred Stock [Member] Redeemable Convertible Preferred Stock, Series A Series A Preferred Stock [Member] Common Stock Common Stock [Member] 12.5% Preferred Stock 12.5 Percent Preferred Stock [Member] 12.5 Percent Preferred Stock Sale of Stock Sale of Stock [Axis] Sale of Stock Sale of Stock [Domain] Follow On Public Offer (Equity Offering) Follow On Public Offer (Equity Offering) [Member] Follow On Public Offer (Equity Offering) Over-Allotment Option Over-Allotment Option [Member] At-The-Market Equity Offering Program $400M At-The-Market Equity Offering Program $400M [Member] At-The-Market Equity Offering Program $400M [Member] At-The-Market Equity Offering Program $300M At-The-Market Equity Offering Program $300M [Member] At-The-Market Equity Offering Program $300M At-The-Market Equity Offering Program $150M At-The-Market Equity Offering Program $150M [Member] At-The-Market Equity Offering Program $150M [Member] At The Market Equity Offering Program $125M At The Market Equity Offering Program $125M [Member] At The Market Equity Offering Program $125M [Member] At The Market Equity Offering Program, $400 And $300 Million At The Market Equity Offering Program, $400 And $300 Million [Member] At The Market Equity Offering Program, $400 And $300 Million [Member] At The Market Equity Offering Program, $125, $150 and $300 Million At The Market Equity Offering Program, $125, $150 and $300 Million [Member] At The Market Equity Offering Program, $125, $150 and $300 Million [Member] Legal Entity Legal Entity [Axis] Entity Entity [Domain] Operating Partnership Operating Partnership [Member] Operating partnership. Equity Components Equity Components [Axis] Equity Component Equity Component [Domain] Noncontrolling Interests Noncontrolling Interest [Member] Parent Parent [Member] Shareholders' Equity Class Shareholders' Equity Class [Axis] Fair Value by Shareholders' Equity Class Fair Value by Shareholders' Equity Class [Domain] Equity Shareholders' Equity [Member] Award Type Award Type [Axis] Equity Award Equity Award [Domain] Operating Partnership Units Operating Partnership Units [Member] Operating Partnership Units LTIP Units LTIP Units [Member] LTIP Units Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Shares outstanding (shares) Preferred Stock, Shares Outstanding Preferred stock, interest Preferred Stock, Dividend Rate, Percentage Liquidation preference (in dollars per share) Preferred Stock, Liquidation Preference Per Share Proceeds from issuance of preferred stock and preference stock, net of offering costs Proceeds from Issuance of Preferred Stock and Preference Stock, Net Of Offering Costs Proceeds from Issuance of Preferred Stock and Preference Stock, Net Of Offering Costs Payments of stock issuance costs Payments of Stock Issuance Costs Preferred stock, dividend rate (in dollars per share) Preferred Stock, Dividend Rate, Per-Dollar-Amount Limit on share conversion (shares) Preferred Stock, Liquidation Preference Per Share, Limit On Share Conversion Preferred Stock, Liquidation Preference Per Share, Limit On Share Conversion Issuance of stock (shares) Stock Issued During Period, Shares, New Issues Common stock share price (in dollars per share) Shares Issued, Price Per Share Issuance of common stock, net Proceeds from Issuance of Common Stock Underwriting discount and offering costs Underwriting Discount And Offering Costs Underwriting Discount And Offering Costs Net proceeds from public offering used in exchange for common units of partnership interests in OP Units (shares) Number Of Common Units Obtained In Exchange For Proceeds From Public Offering Number of common units obtained in exchange for proceeds from public offering. Maximum aggregate offering amount At-The-Market Aggregate Offering Amount The aggregate value of shares that may be sold from time to time in "at the market" offerings. Proceeds from issuance of common stock Gross Proceeds From Issuance Of Common Stock Gross proceeds from issuance of common stock before the effect of offering costs Proceeds from issuance of common stock, net Proceeds From Issuance Of Common Stock, Net Proceeds from the issuance of common stock net of the sales agents' fee Common stock, shares available under ATM Common Stock, Value of Shares Available under ATM Common Stock, Value of Shares Available under At The Market Equity Offering Program Issuance of operating partnership units (shares) Limited Partners' Capital Account, Units Outstanding Non-vested shares (shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Noncontrolling interest percentage ownership in Operating Partnership Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners Conversion of common units to common stock (shares) Stock Issued During Period, Shares, Conversion of Units Conversion of common units to common stock Stock Issued During Period, Value, Conversion of Units Percentage of voting interests acquired Business Acquisition, Percentage of Voting Interests Acquired Preferred stock issued (shares) Preferred Stock, Shares Issued Preferred stock, redemption price per share (in dollars per share) Preferred Stock, Redemption Price Per Share Preferred stock, redemption amount Preferred Stock, Redemption Amount Redemption of preferred stock in connection with liquidation of private REIT Preferred Stock, Redemptions Due to Liquidation of Private REIT Redemption of shares of preferred stock in connection with the liquidation of private REIT. Stock redeemed (in shares) Stock Redeemed or Called During Period, Shares Vesting Vesting [Axis] Vesting Vesting [Domain] Absolute TSR Vesting Percentage Range Four Absolute TSR Vesting Percentage Range Four - Maximum Level [Member] Absolute TSR Vesting Percentage Range Four - Maximum Level Relative TSR Vesting Percentage Range Four Relative TSR Vesting Percentage Range Four - Maximum Level [Member] Relative TSR Vesting Percentage Range Four - Maximum Level Plan Name Plan Name [Axis] Plan Name Plan Name [Domain] Amended and Restated 2013 Incentive Award Plan Amended and Restated 2013 Incentive Award Plan [Member] Amended And Restated 2013 Incentive Award Plan 2013 Incentive Award Plan 2013 Incentive Award Plan [Member] 2013 Incentive Award Plan Performance Units Performance Shares [Member] Absolute TSR Base Units Absolute TSR Base Unit [Member] Absolute TSR Base Unit [Member] Relative TSR Base Units Relative TSR Base Units [Member] Relative TSR Base Units [Member] Distribution Equivalents Distribution Equivalents [Member] Distribution Equivalents [Member] FFO Base Units FFO Base Units [Member] FFO Base Units [Member] Restricted stock Restricted Stock [Member] 2016 Market Performance Award Market Performance Award, 2016 [Member] Market Performance Award, 2016 [Member] 2017 Market Performance Award Market Performance Award, 2017 [Member] Market Performance Award, 2017 [Member] Title of Individual [Axis] Title of Individual [Axis] Relationship to Entity [Domain] Relationship to Entity [Domain] Executive Officers Executive Officer [Member] Chief Executive Officer Chief Executive Officer [Member] Non-Employee Directors Non Employee Director [Member] Non employee director. Other Employees Other Employees [Member] Other employees. Michael S. Frankel Chief Executive Officer II [Member] Chief Executive Officer II [Member] Common stock and/or LTIP units available for issuance (shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Common stock, shares reserved for future issuance (shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Unvested performance unit distribution sharing percentage Unvested Performance Unit Distribution Sharing Percentage Unvested performance unit distribution sharing percentage. Equity instruments other than options granted in period (shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Vesting installments Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Vesting Installments, Percent Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Vesting Installments, Percent Performance period Share Based Compensation Arrangement By Share Based Payment Award, Performance Period Share Based Compensation Arrangement By Share Based Payment Award, Performance Period of Award Distributions accruing during performance period Unvested Performance Unit Distribution Accrual Percentage Unvested performance unit distribution accrual percentage. Designated as Absolute TSR Base Unit Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Designated Absolute Total Shareholder Return Base Units Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Designated Absolute Total Shareholder Return Base Units Designated Relative TSR Base Units Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Designated Relative Total Shareholder Return Base Units Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Designated Relative Total Shareholder Return Base Units Designated FFO Per-Share Award Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Designated Ffo Per-Share Award Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Designated FFO Per-Share Award Closing share price of common stock (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 Grant date fair value Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Grant Date Fair Value Share based compensation arrangement by share based payment award equity instruments other than options vested in period grant date fair value. Absolute TSR Vesting Percentage Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Designated Absolute Total Shareholder Return Base Units, Vesting Percentage Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Designated Absolute Total Shareholder Return Base Units, Vesting Percentage Units vested in period (shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Relative TSR Vesting Percentage/FFO Vesting Percentage Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Designated Relative Total Shareholder Return Base Units, Vesting Percentage Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Designated Relative Total Shareholder Return Base Units, Vesting Percentage Number of units canceled (shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Number of vesting installment period Share Based Compensation Arrangement By Share Based Payment Award Vesting Installment Share based compensation arrangement by share based payment award vesting installment. Compensation expense Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost Unrecognized compensation cost for all equity-based compensation arrangements Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Weighted average remaining vesting period Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Debt Instrument [Table] Schedule of Long-term Debt Instruments [Table] Derivative Instrument Derivative Instrument [Axis] Derivative Contract Derivative Contract [Domain] Amortizing Swap Amortizing Swap [Member] Amortizing Swap [Member] Fixed Rate Debt Fixed Rate Debt [Member] Fixed rate debt. Senior Notes Senior Notes [Member] Real Estate Property Ownership Real Estate Property Ownership [Axis] Real Estate Properties Real Estate Properties [Domain] Gilbert La Palma Gilbert La Palma [Member] Gilbert/La Palma. Variable Rate Variable Rate [Axis] Variable Rate Variable Rate [Domain] LIBOR London Interbank Offered Rate (LIBOR) [Member] Debt Instrument Debt Instrument [Axis] Debt Instrument, Name Debt Instrument, Name [Domain] $60 Million Term Loan Facility $60 Million Term Loan [Member] $60 Million Term Loan $100M Term Loan Facility $100 Million Term Loan [Member] $100 Million Term Loan Revolving Credit Facility Revolving Credit Facility [Member] $225M Term Loan Facility $225 Million Term Loan Facility [Member] $225 Million Term Loan Facility $150M Term Loan Facility $150 Million Term Loan Facility [Member] $150 Million Term Loan Facility $100M Notes $100 Million Notes [Member] $100 Million Notes [Member] $125M Notes $125 Million Notes [Member] $125 Million Notes [Member] Credit Facility Credit Facility [Axis] Credit Facility Credit Facility [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Principal amount Long-term Debt, Gross Less: unamortized discount and debt issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Notes payable Maturity date Debt Instrument, Maturity Date Variable rate basis Debt Instrument, Description of Variable Rate Basis Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Fixed interest rate Debt Instrument, Interest Rate, Stated Percentage Effective Interest Rate Debt Instrument, Interest Rate, Effective Percentage Number of properties securing loan Number Of Properties Securing Loan Number of properties securing loan. Number of derivative instruments Derivative, Number of Instruments Held Number of extensions Number Of Additional Extension Periods Number of additional extension periods. Amortization period Amortization Table Period Amortization table period. Extension period Debt Instrument Term Extension Period Debt instrument term extension period. Number of extensions Line Of Credit Facility, Number Of Extensions Line Of Credit Facility, Number Of Extensions Extension duration period Line Of Credit Facility, Extension Duration Period Line Of Credit Facility, Extension Duration Period Commitment fee percentage Line of Credit Facility, Commitment Fee Percentage Scenario, Credit Rating [Axis] Scenario, Credit Rating [Axis] Scenario, Credit Rating [Axis] Scenario, Credit Rating [Domain] Scenario, Credit Rating [Domain] [Domain] for Scenario, Credit Rating [Axis] External Credit Rating, Additional Investment Grade Rating External Credit Rating, Additional Investment Grade Rating [Member] External Credit Rating, Additional Investment Grade Rating [Member] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Scenario, Forecast Scenario, Forecast [Member] Extinguishment of Debt [Axis] Extinguishment of Debt [Axis] Extinguishment of Debt, Type [Domain] Extinguishment of Debt, Type [Domain] Prepayment Fees Prepayment Fees [Member] Prepayment Fees [Member] Debt Premium Write Off Debt Premium Write Off [Member] Debt Premium Write Off [Member] 1065 Walnut Street 1065 Walnut Street [Member] 1065 Walnut Street [Member] 12907 Imperial Highway 12907 Imperial Highway [Member] 12907 Imperial Highway [Member] Unsecured Credit Facility Unsecured Credit Facility [Member] Unsecured credit facility. Base Rate Base Rate [Member] Eurodollar Eurodollar [Member] Federal Funds Rate Federal Funds Effective Swap Rate [Member] $125M senior notes $125M senior notes [Member] $125M senior notes [Member] Amended Facility Amended Facility [Member] Amended facility. Senior Notes, 100 and 125 Million Senior Notes, 100 and 125 Million [Member] Senior Notes, 100 and 125 Million [Member] Line of Credit Line of Credit [Member] $450 Million Senior Credit Facility 450 Million Senior Credit Facility [Member] 450 Million Senior Credit Facility [Member] Unsecured Revolving Credit Facility Unsecured Revolving Credit Facility [Member] Unsecured revolving credit facility. Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Effective Date Derivative, Inception Date Debt Instrument - Contingent Additional Borrowings Debt Instrument - Contingent Additional Borrowings Additional borrowing capacity under a debt instrument which is contingent upon the satisfaction of specified conditions described in the credit agreement. Basis spread on variable rate investment grade rating pricing structure Debt Instrument, Basis Spread On Variable Rate Investment Grade Rating Pricing Structure Percentage points added to the reference rate to compute the variable rate on the debt instrument, if the pricing structure is converted to be based on attaining two investment grade ratings. Common stock dividends declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Quarterly cash distribution (in dollars per share) Distribution Made to Limited Partner, Distributions Declared, Per Unit Preferred stock dividends declared (in dollars per share) Preferred Stock, Dividends Per Share, Declared Interest rate swap agreement, notional amount Derivative, Notional Amount Prepayment premium, percent Debt Instrument, Prepayment Premium, Percent Debt Instrument, Prepayment Premium, Percent Interest only payment extension period Debt Instrument, Interest Only Payment Extension Period Debt Instrument, Interest Only Payment Extension Period Principal payments Debt Instrument, Periodic Payment, Principal Prepayment of principal, minimum amount Debt Instrument, Prepayment Of Principal, Minimum Amount Debt Instrument, Prepayment Of Principal, Minimum Amount Principal prepayment percentage Principal Prepayment Percentage Principal Prepayment Percentage Repayments of secured debt Repayments of Secured Debt Debt extinguishment costs Debt Extinguishment Costs Debt Extinguishment Costs Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Interest rate swap, fixed interest rate Derivative, Fixed Interest Rate Commitment fee percentage investment grade rating pricing structure Line of Credit Facility Commitment Fee Percentage Investment Grade Rating Pricing Structure The fee if the pricing structure is converted to be based on attaining two investment grade ratings, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. Additional availability Line of Credit Facility, Remaining Borrowing Capacity Maximum ratio of total indebtedness to total asset value Debt Instrument Covenant Ratio Of Aggregate Debt To Aggregate Asset Value Maximum Represents the maximum ratio of aggregate debt to aggregate assets as per the covenants of the debt instrument. Maximum ratio of secured debt to total asset value Debt Instrument Covenant Ratio Of Secured Debt To Aggregate Asset Value Maximum Represents the maximum ratio of secured debt to aggregate assets as per the covenants of the debt instrument. Maximum ratio of recourse debt to total asset Debt Instrument Covenant Ratio Of Recourse Debt To Aggregate Asset Value Maximum Represents the maximum ratio of secured recourse debt to aggregate assets as per the covenants of the debt instrument. Minimum tangible net worth required Debt Instrument Covenant Specified Amount For Computing Tangible Net Worth To Be Maintained Represents the specified amount for computing the tangible net worth to be maintained as per the covenants of the debt instrument. Maximum debt to tangible net worth ratio required for equity proceeds Debt Instrument Covenant Percentage Of Net Proceeds Raised In Future Equity Issuances Used For Computing Tangible Net Worth To Be Maintained Represents the percentage of net proceeds raised in all future equity issuances used for computing the tangible net worth to be maintained as per the covenants of the debt instrument. Minimum ratio of EBITDA to fixed charges Debt Instrument Covenant Ratio Of Adjusted EBITDA To Fixed Charges Minimum Represents the minimum required ratio of adjusted EBITDA to fixed charges as per the covenants of the debt instrument. Maximum ratio of unsecured debt to the value of the unencumbered asset pool Debt Instrument Covenant Ratio Of Unsecured Debt To Unencumbered Asset Value Maximum Represents the maximum ratio of unsecured debt to unencumbered assets as per the covenants of the debt instrument. Minimum ratio of NOI unsecured interest expense Debt Instrument Covenant Ratio Of Unencumbered NOI To Unsecured Interest Expense Minimum Represents the minimum required ratio of unencumbered NOI to unsecured interest expense as per the covenants of the debt instrument. Maximum distribution amount per Credit Facility, percent Debt Instrument, Covenant Compliance, Maximum Distribution Amount, Percent Debt Instrument, Covenant Compliance, Maximum Distribution Amount, Percent Debt service coverage ratio Debt Instrument Covenant Ratio Debt Service Coverage Ratio Minimum Represents the minimum required ratio of net operating income to debt service as per the covenants of the debt instrument. Unencumbered liquid assets Minimum Unencumbered Liquid Assets The lowest amount of unencumbered liquid assets required for compliance purposes. Long-term line of credit availability Minimum Unencumbered Liquid Assets Including Line Of Credit The lowest amount of unencumbered liquid assets if including line of credit availability required for compliance purposes. Unencumbered liquid assets cash and cash equivalents Unencumbered Liquid Assets Cash And Cash Equivalents Unencumbered liquid assets cash and cash equivalents. Minimum fair market net worth Minimum Net Worth Required for Compliance Schedule of Investments [Abstract] Revenues Equity Method Investment, Summarized Financial Information, Revenue Expenses Equity Method Investment, Summarized Financial Information, Cost of Sales Gain on sale of properties Equity Method Investment Summarized Financial Information Gain On Sale Of Properties The amount of gain reported by an equity method investment of the entity from the sale of properties. Net income Equity Method Investment, Summarized Financial Information, Net Income (Loss) Earnings Per Share [Abstract] Computation of Basic and Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Incentive Award Plan Compensation and Employee Benefit Plans [Text Block] Summary of the Components of Changes in Accumulated Other Comprehensive Loss Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule Of Federal Income Tax Treatment For Distributions Schedule Of Federal Income Tax Treatment For Distributions [Table Text Block] Schedule Of Federal Income Tax Treatment For Distributions [Table Text Block] Schedule of Quarterly Information Quarterly Financial Information [Table Text Block] Investment in Unconsolidated Real Estate Equity Method Investments and Joint Ventures Disclosure [Text Block] Earnings Per Share Earnings Per Share [Text Block] Statement of Cash Flows [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Equity in income from unconsolidated real estate entities Income (Loss) from Equity Method Investments Provision for doubtful accounts Provision for Doubtful Accounts Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Amortization of (below) above market lease intangibles, net Amortization of above and below Market Leases Amortization of loan origination fees Amortization of Deferred Loan Origination Fees, Net Deferred interest income on notes receivable Deferred Interest Income On Notes Receivable Interest received other than in cash for example by issuing additional notes receivable. As a noncash item, it is subtracted from net income when calculating cash provided by or used in operations using the indirect method. Gain on extinguishment of debt Gain (Loss) on Extinguishment of Debt Gain on sale of real estate Gains (Losses) on Sales of Investment Real Estate Amortization of loan costs Amortization of Debt Issuance Costs Amortization of discount (premium) on notes payable, net Amortization of Debt Discount (Premium) Equity based compensation expense Share-based Compensation Straight-line rent Straight Line Rent Change in working capital components: Increase (Decrease) in Operating Capital [Abstract] Rents and other receivables Increase (Decrease) in Accounts Receivable Deferred leasing costs Payments for Commissions Other assets Increase (Decrease) in Other Operating Assets Accounts payable, accrued expenses and other liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Tenant security deposits Increase (Decrease) in Security Deposits Prepaid rents Increase (Decrease) in Prepaid Rent 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] Acquisition of investments in real estate Payments to Acquire Real Estate Capital expenditures Payments for Capital Improvements Payments for deposits on real estate acquisitions Payments for (Proceeds from) Deposits on Real Estate Acquisitions Distributions from unconsolidated real estate entities Proceeds from Equity Method Investment, Distribution, Return of Capital Issuance of notes receivable Payments to Acquire Notes Receivable Principal repayments of notes receivable Proceeds from Collection of Notes Receivable Proceeds from deposit on real estate sale Proceeds from Deposits on Real Estate Sales Proceeds from sale of real estate Proceeds from Sale of Real Estate Held-for-investment Net 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] Issuance of preferred stock, net Proceeds from Issuance of Preferred Stock and Preference Stock Proceeds from notes payable Proceeds from Issuance of Long-term Debt Repayment of notes payable Repayments of Long-term Debt Debt issuance costs Payments of Financing Costs Debt extinguishment costs Payment for Debt Extinguishment or Debt Prepayment Cost Redemption of preferred stock in connection with liquidation of private REIT Payments to Noncontrolling Interests Dividends paid to preferred stockholders Payments of Ordinary Dividends, Preferred Stock and Preference Stock Dividends paid to common stockholders Payments of Ordinary Dividends, Common Stock Distributions paid to common unitholders Payments of Ordinary Dividends, Noncontrolling Interest Repurchase of common shares to satisfy employee tax withholding requirements Payments Related to Tax Withholding for Share-based Compensation Net cash provided by 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 period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents and restricted cash, end of period Supplemental disclosure of cash flow information: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Cash paid for interest (net of capitalized interest of $2,053, $1,694 and $1,653 for 2018, 2017 and 2016, respectively) Interest Paid, Excluding Capitalized Interest, Operating Activities Increase in capital expenditure accrual Increase (Decrease) in Construction Payables Dividends payable Dividends Payable Investments, All Other Investments [Abstract] Summary of Acquired Wholly Owned Property Acquisitions Schedule of Business Acquisitions, by Acquisition [Table Text Block] Acquisition of Other Interests Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Number of Unvested Shares of Non-Options Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Number of Nonvested Shares of Restricted Common Stock, Balance (shares) Number of Nonvested Shares of Restricted Common Stock, Forfeited (shares) Number of Nonvested Shares of Restricted Common Stock, Vested (shares) Number of Nonvested Shares of Restricted Common Stock, Balance (shares) Weighted-Average Grant Date Fair Value per Share Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Weighted-Average Grant Date Fair Value per Share, 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 Weighted-Average Grant Date Fair Value per Share, Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted-Average Grant Date Fair Value per Share, 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 Weighted-Average Grant Date Fair Value per Share, Vested (in dollars per share) Weighted-Average Grant Date Fair Value per Share, Balance (in dollars per share) Fair value of vested shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Shares tendered for tax withholding requirements (shares) Shares Paid for Tax Withholding for Share Based Compensation Absolute TSR Vesting Percentage Range One Absolute TSR Vesting Percentage Range One - Zero Vesting Level [Member] Absolute TSR Vesting Percentage Range One - Zero Vesting Level Absolute TSR Vesting Percentage Range Two Absolute TSR Vesting Percentage Range Two - Threshold Level [Member] Absolute TSR Vesting Percentage Range Two - Threshold Level Absolute TSR Vesting Percentage Range Three Absolute TSR Vesting Percentage Range Three - Target Level [Member] Absolute TSR Vesting Percentage Range Three - Target Level Relative TSR Vesting Percentage Range One Relative TSR Vesting Percentage Range One - Zero Vesting Level [Member] Relative TSR Vesting Percentage Range One - Zero Vesting Level Relative TSR Vesting Percentage Range Two Relative TSR Vesting Percentage Range Two - Threshold Level [Member] Relative TSR Vesting Percentage Range Two - Threshold Level Relative TSR Vesting Percentage Range Three Relative TSR Vesting Percentage Range Three - Target Level [Member] Relative TSR Vesting Percentage Range Three - Target Level FFO Growth Per Share Vesting Percentage Range One FFO Growth Per Share Vesting Percentage Range One - Zero Vesting Level [Member] FFO Growth Per Share Vesting Percentage Range One - Zero Vesting Level FFO Growth Per Share Vesting Percentage Range Two FFO Growth Per Share Vesting Percentage Range Two [Member] FFO Growth Per Share Vesting Percentage Range Two [Member] FFO Growth Per Share Vesting Percentage Range Three FFO Growth Per Share Vesting Percentage Range Three [Member] FFO Growth Per Share Vesting Percentage Range Three [Member] FFO Growth Per Share Vesting Percentage Range Four FFO Growth Per Share Vesting Percentage Range Four [Member] FFO Growth Per Share Vesting Percentage Range Four [Member] FFO Per Share Growth Percentage Range One FFO Per Share Growth Percentage Range One [Member] FFO Per Share Percentage Growth Range One [Member] FFO Per Share Growth Percentage Range Two FFO Per Share Growth Percentage Range Two [Member] FFO Per Share Growth Percentage Range Two [Member] FFO Per Share Growth Percentage Range Three FFO Per Share Growth Percentage Range Three [Member] FFO Per Share Growth Percentage Range Three [Member] FFO Per Share Growth Percentage Range Four FFO Per Share Growth Percentage Range Four [Member] FFO Per Share Growth Percentage Range Four [Member] Closing share price of common stock (in dollars per share) Discount for post-vesting restrictions and book-up events Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Post Vesting Restrictions And Book-Up Event Uncertainty Discount, Percent Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Post Vesting Restrictions And Book-Up Event Uncertainty Discount, Percent Grant date fair value (in thousands) Company TSR Percentage Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Designated Absolute Total Shareholder Return Base Units, Company TSR Percentage Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Designated Absolute Total Shareholder Return Base Units, Company TSR Percentage Peer Group Relative Performance/FFO per Share Growth Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Designated Absolute Total Shareholder Return Base Units, Peer Group Relative Performance Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Designated Absolute Total Shareholder Return Base Units, Peer Group Relative Performance Fair Value Assumptions and Methodology [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract] Expected price volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Expected price volatility, minimum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Expected price volatility, maximum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Expected dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Risk free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Grant date fair value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Grant Date Fair Value Expected volatility rate, median for peer group companies Share Based Compensation Arrangement By Share Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Median For Peer Group Companies Represents the median value of the range of expected share price volatilities for the performance award peer group companies. Expected volatility rate, average for peer group companies Share Based Compensation Arrangement By Share Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Average For Peer Group Companies Represents the average value of the range of expected share price volatilities for the performance award peer group companies. Statement of Comprehensive Income [Abstract] Other comprehensive (loss) income: cash flow hedge adjustment Other Comprehensive Income (Loss), Net of Tax Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Less: comprehensive income 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 Goodwill and Intangible Assets Disclosure [Abstract] Schedule Of Acquired Finite Lived Intangible Asset By Major Class [Table] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Finite-Lived Intangible Assets by Major Class Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name Finite-Lived Intangible Assets, Major Class Name [Domain] In-place lease intangibles Leases, Acquired-in-Place, Market Adjustment [Member] Above-market tenant leases Above Market Leases [Member] Below-market tenant leases Below Market Operating Leases [Member] Below market operating leases. Above Market Ground Lease Above Market Ground Lease [Member] Above market ground lease. Acquired Finite Lived Intangible Assets [Line Items] Acquired Finite-Lived Intangible Assets [Line Items] Acquired lease intangible assets, gross Finite-Lived Intangible Assets, Gross Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Total Finite-Lived Intangible Assets, Net Acquired lease intangible liabilities, gross Finite Lived Intangible Liability Off Market Lease Unfavorable Gross Finite lived intangible liability off market lease unfavorable gross. Accumulated accretion Finite Lived Intangible Assets Accumulated Accretion Finite lived intangible assets accumulated amortization. Acquired lease intangible liabilities, net Off-market Lease, Unfavorable Investment In Real Estate Acquisitions [Table] Investment In Real Estate Acquisitions [Table] Investment in real estate acquisitions. Disclosure Investment In Real Estate Acquisitions Additional Information Detail [Line Items] Disclosure Investment In Real Estate Acquisitions Additional Information Detail [Line Items] Number of buildings Number Of Buildings Acquired Number of buildings acquired. Rentable Square Feet Net Rentable Area Contractual Purchase Price (in thousands) Acquisition Purchase Price The contractual price of a business combination or asset acquisition Consolidation Consolidation, Policy [Policy Text Block] Basis of Accounting Basis of Accounting, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Cash and Cash Equivalents and Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Investment in Real Estate Real Estate, Policy [Policy Text Block] Assets Held for Sale Real Estate Held for Development and Sale, Policy [Policy Text Block] Deferred Leasing Costs Precontract Costs, Policy [Policy Text Block] Impairment of Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Investment in Unconsolidated Real Estate Equity Method Investments [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Derivative Instruments and Hedging Activities Derivatives, Policy [Policy Text Block] Revenue Recognition Revenue Recognition, Policy [Policy Text Block] Valuation of Receivables Receivables, Policy [Policy Text Block] Debt Issuance Costs Debt, Policy [Policy Text Block] Equity Based Compensation Compensation Related Costs, Policy [Policy Text Block] Equity Offering Costs Equity Offering Costs Policy [Policy Text Block] Disclosure of accounting policy for costs associated with raising equity. Earnings Per Share Earnings Per Share, Policy [Policy Text Block] Segment Reporting Segment Reporting, Policy [Policy Text Block] Recently Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Capitalized interest, net Interest Paid, Capitalized, Investing Activities Assets Measures at Fair Vale on a Recurring Basis by Level within Fair Value Hierarchy Fair Value, Liabilities Measured on Recurring Basis [Table Text Block] Carrying Value and Estimated Fair Value of Notes Payable Fair Value, by Balance Sheet Grouping [Table Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Amount of gain recognized in AOCI on derivatives Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Amount of gain (loss) reclassified from AOCI into earnings under “Interest expense” Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Total interest expense presented in the Consolidated Statement of Operations in which the effects of cash flow hedges are recorded (line item Interest expense) Interest Expense Future Minimum Base Rent Under Non-cancelable Operating Leases Future Minimum Base Rent Under Non Cancelable Operating Leases Table [Text Block] Tabular disclosure of future minimum base rent under non-cancelable operating leases. Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Summarized Information of Our Equity Method Investment Properties Equity Method Investments [Table Text Block] 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 Real Estate Investment Property, at Cost Acquisition of investment in real estate SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Other Acquisition Construction costs and improvements SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Improvements Disposition of investment in real estate(1) SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Cost of Investment in Real Estate Sold Properties held for sale(1) SEC Schedule III, Real Estate, Real Estate Held for Sale Amount of real estate investments classified as held for sale for entities with a substantial portion of business acquiring and holding investment real estate. Write-off of fully depreciated assets SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Other Deduction Balance, End of Year SEC Schedule, 12-28, Real Estate Companies, Investment in 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 SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation Depreciation of investment in real estate SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Depreciation Expense Disposition of investment in real estate(1) SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Investment in Real Estate Sold Properties held for sale(1) SEC Schedule III, Real Estate Accumulated Depreciation, Real Estate Held for Sale Amount of decrease to accumulated depreciation for real estate investments classified as held for sale for entities with a substantial portion of business acquiring and holding investment real estate. Write-off of fully depreciated assets SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Other Deduction Balance, end of year Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Total Stockholders’ Equity Preferred Stock Preferred Stock [Member] Additional Paid-in Capital Additional Paid-in Capital [Member] Cumulative Distributions in Excess of Earnings Accumulated Distributions in Excess of Net Income [Member] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Beginning Balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Beginning Balance, shares (shares) Common Stock, Shares, Outstanding Issuance of stock Stock Issued During Period, Value, New Issues Offering costs Offering Costs Specific incremental costs directly attributable to offering of securities. Share-based compensation Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Share-based compensation (shares) Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Shares acquired to satisfy employee tax withholding requirements on vesting restricted stock Adjustments Related to Tax Withholding for Share-based Compensation Shares acquired to satisfy employee tax withholding requirements on vesting restricted stock (shares) Conversion of units to common stock Conversion of units to common stock (shares) Acquisition of real estate portfolio Noncontrolling Interest, Increase from Business Combination Redemption of preferred stock in connection with liquidation of private REIT Other comprehensive loss Preferred stock dividends Dividends, Preferred Stock Common stock dividends Dividends, Common Stock Distributions Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Ending Balance Ending Balance, shares (shares) Stockholder's Equity Stockholders' Equity Note Disclosure [Text Block] Derivative [Table] Derivative [Table] 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] Accumulated Gain (Loss), Net, Cash Flow Hedge Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Interest Rate Swap $150M Notional Effective July 22, 2019 Interest Rate Swap $150M Notional Effective July 22, 2019 [Member] Interest Rate Swap $150M Notional Effective July 22, 2019 [Member] Interest Rate Swap Interest Rate Swap [Member] Derivative [Line Items] Derivative [Line Items] Additional amount reclassified from AOCI as an increase to interest expense Interest Income (Expense), Nonoperating, Net Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Real Estate [Abstract] Real Estate [Table] Real Estate [Table] Construction in progress Construction in Progress [Member] Tax Treatment of Acquisition [Axis] Tax Treatment of Acquisition [Axis] Tax Treatment of Acquisition [Axis] Tax Treatment of Acquisition [Domain] Tax Treatment of Acquisition [Domain] Tax Treatment of Acquisition 1031 Exchange Like Kind Exchange, Qualified Under IRS Section 1031 [Member] Like Kind Exchange, Qualified Under IRS Section 1031 [Member] 13971 Norton Avenue 13971 Norton Avenue [Member] 13971 Norton Avenue [Member] 1900 Proforma Avenue Ontario Airport Commerce Center [Member] Ontario Airport Commerce Center [Member] 16010 Shoemaker Avenue 16010 Shoemaker Avenue [Member] 16010 Shoemaker Avenue [Member] 4039 Calle Platino 4039 Calle Platino [Member] 4039 Calle Platino [Member] 851 Lawrence Drive 851 Lawrence Drive, Thousand Oaks, California [Member] 851 Lawrence Drive, Thousand Oaks, California [Member] 1581 North Main Street 1581 Main Street, Orange County, California [Member] 1581 Main Street, Orange County, California [Member] 1580 West Carson Street 1580 Carson Street, Long Beach, California [Member] 1580 Carson Street, Long Beach, California [Member] 660 & 664 North Twin Oaks Valley Road 660 & 664 Twin Oaks, San Marcos, California [Member] 660 & 664 Twin Oaks, San Marcos, California [Member] 1190 Stanford Court 1190 Stanford Court [Member] 1190 Stanford Court [Member] 5300 Sheila Street 5300 Sheila Street [Member] 5300 Sheila Street [Member] 15777 Gateway Circle 15777 Gateway Circle [Member] 15777 Gateway Circle [Member] 1998 Surveyor Avenue 1998 Surveyor Avenue [Member] 1998 Surveyor Avenue [Member] 3100 Fujita Street 3100 Fujita Street [Member] 3100 Fujita Street [Member] 4416 Azusa Canyon Road 4416 Azusa Canyon Road [Member] 4416 Azusa Canyon Road [Member] 1420 Mckinley Avenue 1420 Mckinley Avenue [Member] 1420 Mckinley Avenue [Member] 12154 Montague Street 12154 Montague Street [Member] 12154 Montague Street [Member] 10747 Norwalk Boulevard 10747 Norwalk Boulevard [Member] 10747 Norwalk Boulevard [Member] 29003 Avenue Sherman 29003 Avenue Sherman [Member] 29003 Avenue Sherman [Member] 16121 Carmenita Road 16121 Carmenita [Member] 16121 Carmenita [Member] 1332-1340 Rocky Point Drive 1332-1340 Rocky Point [Member] 1332-1340 Rocky Point [Member] 6131-6133 Innovation Way 6131-6133 Innovation Way [Member] 6131-6133 Innovation Way [Member] 263-321 Gardena Boulevard 263-321 Gardena Blvd [Member] 263-321 Gardena Blvd [Member] 9200 Mason Avenue 9200 Mason Avenue [Member] 9200 Mason Avenue [Member] 9230 Mason Avenue 9230 Mason Ave [Member] 9230 Mason Ave [Member] 9250 Mason Avenue 9250 Mason Ave [Member] 9250 Mason Ave [Member] 9171 Oso Avenue 9171 Oso Ave [Member] 9171 Oso Ave [Member] 5593-5595 Fresca Drive 5593-5595 Fresca Drive [Member] 5593-5595 Fresca Drive [Member] 6100 Sheila Street 6100 Sheila St [Member] 6100 Sheila St [Member] 14421-14441 Bonelli Street 14421-14441 Bonelli Street [Member] 14421-14441 Bonelli Street [Member] 28901-28903 Avenue Paine 28903 Avenue Paine [Member] 28903 Avenue Paine 2390 Ward Avenue 2390 Ward Avenue [Member] 2390 Ward Avenue [Member] Safari Business Center Safari Business Center [Member] Safari Business Center [Member] 4175 Conant Street 4175 Conant Street [Member] 4175 Conant Street [Member] 5421 Argosy Avenue 5421 Argosy Avenue [Member] 5421 Argosy Avenue [Member] 14820-14830 Carmenita Road 14820-14830 Carmenita Road [Member] 14820-14830 Carmenita Road [Member] 3002-3072 Inland Empire Blvd 3002-3072 Inland Empire Boulevard [Member] 3002-3072 Inland Empire Boulevard [Member] 17000 Kingsview Avenue 17000 Kingsview Avenue [Member] 17000 Kingsview Avenue [Member] Rancho Pacifica Park Rancho Pacifica Industrial Park [Member] Rancho Pacifica Industrial Park [Member] 11190 White Birch Drive 11190 White Birch Drive [Member] 11190 White Birch Drive [Member] 4832-4850 Azusa Canyon Road 4832 Azusa Canyon Road [Member] 4832 Azusa Canyon Road [Member] 1825 Soto Street 1825 Soto Street [Member] 1825 Soto Street [Member] 19402 Susana Road 19402 Susana Street [Member] 19402 Susana Street [Member] 13225 Western Avenue 13225 Western Avenue [Member] 13225 Western Avenue [Member] 15401 Figueroa Street 15401 Figueroa Street [Member] 15401 Figueroa Street [Member] 8542 Slauson Avenue 8542 Slauson Avenue [Member] 8542 Slauson Avenue [Member] 687 Eucalyptus Avenue 687 Eucalyptus Avenue [Member] 687 Eucalyptus Avenue [Member] 302 Rockefeller Avenue 302 Rockefeller Ave [Member] 302 Rockefeller Ave [Member] 4355 Brickell Street 4355 Brickell Street [Member] 4355 Brickell Street [Member] 12622-12632 Monarch Street 12622-12632 Monarch Street [Member] 12622-12632 Monarch Street [Member] 8315 Hanan Way 8315 Hanan Way [Member] 8315 Hanan Way [Member] Real Estate [Line Items] Real Estate [Line Items] Date of Acquisition Business Acquisition, Date of Acquisition Agreement Payments to acquire real estate Assumed construction contract Assumed Construction Contract The remaining costs to be incurred on fixed-price construction contract. Schedule Of Related Party Transactions By Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] 6110-6114 Cahuenga Avenue, LLC South Grand Ave [Member] 200-220 South Grand Ave. Related Party Related Party [Axis] Related Party Related Party [Domain] Immediate Family Member of Management or Principal Owner Immediate Family Member of Management or Principal Owner [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Revenue from management and leasing services Revenue from Related Parties Contract Sales Price(1) (In thousands) Disposition Sales Price Contract sales price for dispositions of real estate Interest Rate Swaps Derivative Instruments and Hedging Activities Disclosure [Text Block] Future Minimum Commitment Under Ground Lease and Corporate Office Lease Lessee, Operating Lease, Disclosure [Table Text Block] Discontinued Operations and Disposal Groups [Abstract] Dispositions and Real Estate Held for Sale Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Summary of significant accounting policies. Measurement Input Type [Axis] Measurement Input Type [Axis] Measurement Input Type [Domain] Measurement Input Type [Domain] Measurement Input, Discount Rate Measurement Input, Discount Rate [Member] Measurement Input, Cap Rate Measurement Input, Cap Rate [Member] Property Average Lease Up Period Property Average Lease Up Period [Member] Measurement Input, Property Lease Up Period Construction Employees Construction Employees [Member] Construction Employees Leasing Employees Leasing Employees [Member] Leasing Employees Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Summary of significant accounting policies. Restricted cash Restricted Cash, Current Restricted cash Restricted Cash and Cash Equivalents Cash, cash equivalents and restricted cash, end of period. Fair value inputs, discount rate Acquired Property, Measurement Input Acquired Property, Measurement Input Property average lease up period Fair Value Estimate, Property Average Lease Up Period Fair Value Estimate, Property Average Lease Up Period Interest costs capitalized Interest Costs Capitalized Real estate taxes and insurance costs capitalized Real Estate Taxes And Insurance Costs Capitalized Real estate taxes And insurance costs capitalized as property costs during periods in which activities necessary to get a property ready for its intended use are in progress. Compensation costs capitalized Compensation Costs Capitalized Represents compensation costs capitalized during the period (including salary, bonus and equity-based compensation) for employees involved with construction activities necessary to get a property ready for its intended use and employees involved in the successful origination of leases. REIT annual taxable income distribution requirement percentage Reit Taxable Income Distribution Requirement Percentage Reit taxable income distribution requirement percentage. Rents and other receivables Accounts Receivable, Gross Allowance for doubtful accounts Allowance for Doubtful Accounts Receivable Rents and other receivables, net Accounts Receivable, Net Deferred rent receivable Deferred Rent Receivables, Gross 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. Allowance for doubtful accounts Deferred Rent Receivable, Allowance For Doubtful Accounts Deferred Rent Receivable, Allowance For Doubtful Accounts Deferred rent receivable, net Deferred Rent Receivables, Net Provision for doubtful accounts Provision For Doubtful Accounts, Including Straight Line Rent Provision For Doubtful Accounts, Including Straight Line Rent Operating Leases Lessor, Operating Leases [Text Block] Income Statement [Abstract] RENTAL REVENUES Revenues [Abstract] Rental income Operating Leases, Income Statement, Lease Revenue Tenant reimbursements Tenant Reimbursement In accordance with the provisions of their lease agreement, this element represents allowable charges due a landlord from its tenant. In retail store and office building leases, for example, tenant reimbursements may cover items such as taxes, utilities, and common area expenses. Other Operating Income Other Operating Income TOTAL RENTAL REVENUES Total Rental Revenues Total amount of revenues recognized from operating revenues, tenant reimbursements, and other income or other activities that constitute an earning process. Management, leasing and development services Revenue from Contract with Customer, Including Assessed Tax Interest income Interest Income, Operating TOTAL REVENUES Revenues OPERATING EXPENSES Operating Expenses [Abstract] Property expenses Direct Costs of Leased and Rented Property or Equipment General and administrative General and Administrative Expense TOTAL OPERATING EXPENSES Operating Expenses OTHER EXPENSE Nonoperating Income (Expense) [Abstract] Acquisition expenses Business Combination, Acquisition Related Costs Interest expense TOTAL EXPENSES Other Expenses TOTAL EXPENSES Other Cost and Expense, Operating Equity in income from unconsolidated real estate entities Gain on extinguishment of debt Gain on sale of real estate NET INCOME Less: net income attributable to noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest NET INCOME ATTRIBUTABLE TO REXFORD INDUSTRIAL REALTY, INC. Net Income (Loss) Attributable to Parent Less: preferred stock dividends Preferred Stock Dividends, Income Statement Impact Less: earnings allocated to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Basic NET INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS Net Income (Loss) Available to Common Stockholders, Basic Net income attributable to common stockholders per share - basic (in dollars per share) Earnings Per Share, Basic Net income attributable to common stockholders per share - diluted (in dollars per share) Earnings Per Share, Diluted Weighted average shares of common stock outstanding - basic (in dollars per share) Weighted Average Number of Shares Outstanding, Basic Weighted average shares of common stock outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Total revenues Net income attributable to common stockholders Schedule Of Business Acquisitions By Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] In-place Lease Intangibles Leases, Acquired-in-Place [Member] Other 2017 Acquisitions Other 2017 Acquisitions [Member] Other 2017 Acquisitions Business Acquisition [Line Items] Business Acquisition [Line Items] Assets: Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract] Land Asset Acquisition Recognized Identifiable Assets Acquired and Liabilities Assumed Land Asset Acquisition Recognized Identifiable Assets Acquired and Liabilities Assumed Land Buildings and improvements 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 Acquired lease intangible assets Asset Acquisition Recognized Identifiable Assets Acquired and Liabilities Assumed Lease Intangible Assets Asset Acquisition Recognized Identifiable Assets Acquired and Liabilities Assumed Acquired Lease Intangible Assets Other acquired assets Asset Acquisition Recognized Identifiable Assets Acquired And Liabilities Assumed Working Capital Assets Asset Acquisition Recognized Identifiable Assets Acquired And Liabilities Assumed Working Capital Assets Total assets acquired Asset Acquisition Recognized Identifiable Assets Acquired and Liabilities Assumed Assets Asset Acquisition Recognized Identifiable Assets Acquired and Liabilities Assumed Assets Liabilities: Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract] Acquired lease intangible liabilities Asset Acquisition Recognized Identifiable Assets Acquired And Liabilities Assumed, Intangible Lease Liabilities Asset Acquisition Recognized Identifiable Assets Acquired And Liabilities Assumed, Intangible Lease Liabilities Other assumed liabilities Asset Acquisition Recognized Identifiable Assets Acquired And Liabilities Assumed, Working Capital Liabilities Asset Acquisition Recognized Identifiable Assets Acquired And Liabilities Assumed, Working Capital Liabilities Total liabilities assumed Asset Acquisition Recognized Identifiable Assets Acquired and Liabilities Assumed Liabilities Asset Acquisition Recognized Identifiable Assets Acquired and Liabilities Assumed Liabilities Net assets acquired Asset Acquisition Recognized Identifiable Assets Acquired and Liabilities Assumed Net Asset Acquisition Recognized Identifiable Assets Acquired and Liabilities Assumed Net Acquired-in-place leases Finite-Lived Intangible Asset, Acquired-in-Place Leases Above-market lease intangibles Finite-Lived Intangible Asset, Off-market Lease, Favorable, Gross Amortization period of acquired intangible assets Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Below market lease, weighted average useful life Below Market Lease, Weighted Average Useful Life Below Market Lease, Weighted Average Useful Life Document And Entity Information [Abstract] Document and entity information. Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol 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 Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Current Reporting Status Entity Current Reporting Status Entity Voluntary Filers Entity Voluntary Filers Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding (shares) Entity Common Stock, Shares Outstanding Entity Public Float Entity Public Float Entity Shell Company Entity Shell Company Entity Small Business Entity Small Business Entity Emerging Growth Entity Emerging Growth Company Commitments And Contingencies [Table] Commitments And Contingencies [Table] Commitments and contingencies. Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Total Rental Revenues Total Rental Revenues [Member] Total Rental Revenues [Member] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Customer Concentration Risk Customer Concentration Risk [Member] Lease Arrangement, Type [Axis] Lease Arrangement, Type [Axis] Lease Arrangement, Type [Domain] Lease Arrangement, Type [Domain] Ground Lease Ground Lease [Member] Ground lease. Office Lease Office Lease [Member] Office lease. Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] Corona, CA Corona, CA [Member] Corona, CA Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Accounts Payable and Accrued Expenses Accounts Payable and Accrued Liabilities [Member] Other Assets Other Assets [Member] Commitments And Contingencies [Line Items] Commitments And Contingencies [Line Items] Commitments and contingencies. Estimated remedian costs Estimated Remediation Costs Estimated remediation, processing and oversight costs. Deposits paid Escrow Deposit Holdback escrow seller funded Holdback Escrow Seller Funded Amount placed in escrow account by seller to pay for estimated remediation costs subject to Holdback Agreement. Holdback escrow buyer funded Holdback Escrow Buyer Funded Amount placed in escrow account by Company to pay for estimated remediation costs subject to holdback agreement. Maximum seller liability remediation costs Maximum Seller Liability Remedian Costs The maximum amount payable by seller for remediation costs. Contingent liability Business Combination, Contingent Consideration, Liability Indemnification asset Recorded Third-Party Environmental Recoveries Receivable Ground lease, expiration date Lease Expiration Date Rent expense Operating Leases, Rent Expense Area of real estate property (square feet) Area of Real Estate Property Operating leases, contingency period Lessee Leasing Arrangements, Operating Leases, Contingency Period Operating Leases, Contingency Period Corona lease transaction costs Corona Lease Transaction Costs Corona Lease Transaction Costs Commitments for tenant improvement and construction work Other Commitment Cash, FDIC insured amount Cash, FDIC Insured Amount Concentration risk, percentage Concentration Risk, Percentage Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Dividends [Axis] Dividends [Axis] Dividends [Domain] Dividends [Domain] Ordinary Income Ordinary Income [Member] Ordinary Income [Member] Return of Capital Return Of Capital [Member] Return Of Capital [Member] Capital Gain Capital Gain [Member] Capital Gain [Member] Class of Stock [Line Items] Class of Stock [Line Items] Dividend, federal income tax treatment (in dollars per share) Dividend, Federal Income Tax Treatment, Per Share Dividend, Federal Income Tax Treatment, Per Share Dividend, federal income tax treatment Dividend, Federal Income Tax Treatment, Percentage Dividend, Federal Income Tax Treatment, Percentage Unrecaptured Section 1250 gain, percent of capital gain Unrecaptured Section 1250 Gain, Percent Of Capital Gain Unrecaptured Section 1250 Gain, Percent Of Capital Gain Investments in Real Estate Real Estate Disclosure [Text Block] Schedule III – Real Estate and Accumulated Depreciation SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Text Block] Net Above/(Below) Market Operating Leases Net Above Below Market Operating Leases [Member] Net above/(below) market operating leases. Above-Market Ground Lease 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 Offsetting of Derivative Assets Derivative Asset, Fair Value, Amount Offset Against Collateral [Abstract] Gross Amounts of Recognized Assets Derivative Asset, Fair Value, Gross Asset Gross Amounts Offset in the Balance Sheet Derivative Asset, Fair Value, Gross Liability Net Amounts of Assets Presented in the Balance Sheet Derivative Asset Gross amounts not offset in the balance sheet, financial instruments Derivative Asset, Not Offset, Policy Election Deduction Gross amounts not offset in the balance sheet, cash collateral received Derivative, Collateral, Obligation to Return Cash Net Amount Derivative Asset, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election Offsetting of Derivative Liabilities Derivative Liability, Fair Value, Amount Offset Against Collateral [Abstract] Gross Amounts of Recognized Liabilities Derivative Liability, Fair Value, Gross Liability Gross Amounts Offset in the Balance Sheet Derivative Liability, Fair Value, Gross Asset Net Amounts of Assets Presented in the Balance Sheet Derivative Liability Gross amounts not offset in the balance sheet, financial instruments Derivative, Collateral, Right to Reclaim Securities Gross amounts not offset in the balance sheet, cash collateral received Derivative, Collateral, Right to Reclaim Cash Net Amount Derivative Liability, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election Property Dispositions [Table] Property Dispositions [Table] Property Dispositions (Table) Disposal Group Classification [Axis] Disposal Group Classification [Axis] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Disposal Group, Disposed of by Sale, Not Discontinued Operations Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Disposal Group Name Disposal Group Name [Axis] Disposal Group Name [Domain] Disposal Group Name [Domain] 8900-8980 Benson Avenue and 5637 Arrow Highway 8900-8980 Benson Ave and 5637 Arrow Highway [Member] 8900-8980 Benson Ave and 5637 Arrow Highway [Member] 700 Allen Avenue and 1851 Flower Street 700 Allen Avenue and 1851 and 1830 Flower Street [Member] 700 Allen Avenue and 1851 and 1830 Flower Street [Member] 200-220 South Grand Ave. 6770 Central Avenue—Building B 6770 Central Ave, Unit B, Riverside, California [Member] 6770 Central Ave, Unit B, Riverside, California [Member] 1910-1920 Archibald Avenue Archibald Ave, 1910-1920 [Member] Archibald Ave, 1910-1920 [Member] 311 East 157th Street 311 East 157th Street [Member] 311 East 157th Street 329 East 157th Street 329 East 157th Street [Member] 329 East 157th Street 319 East 157th Street 319 East 157th Street [Member] 319 East 157th Street 9375 Archibald Avenue Archibald Ave [Member] 9375 Archibald Ave. 2535 Midway Drive 2535 Midway Drive [Member] 2535 Midway Drive [Member] 2811 Harbor Boulevard