Business Combinations [Abstract] Business Combination Disclosure [Text Block] Business Combination Disclosure [Text Block] Accounting Policies [Abstract] Summary Of Significant Accounting Policies Significant Accounting Policies [Text Block] Related Party Transactions [Abstract] Asset Management Fee Structure Asset Management Fee Structure [Table Text Block] This table shows the asset management and subordinate participation fee structure of the advisor. Other Advisor Fee and Reimbursement Structure Other Advisor Fees [Table Text Block] Table summarizing the fee structure of the Advisor for fees excluding Asset Management Fees Advisory Fee Transactions Advisor Transactions [Table Text Block] Table summarizing fees earned by and the expenses reimbursable to the Advisor and Sub-advisor, except for organization and offering costs and general and administrative expenses Manager Fee Structure Manager Fee Structure [Table Text Block] This table represents the fee structure per the management agreements. Property Manager Transactions Property Manager Transactions [Table Text Block] Property Manager Transactions [Table Text Block] Debt Disclosure [Abstract] Schedule of Outstanding Principal Balances and Debt Obligations Schedule of Long-term Debt Instruments [Table Text Block] Schedule of Debt Allocation Schedule of Debt [Table Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Schedule of Interest Rate Derivative Schedule of Interest Rate Derivatives [Table Text Block] Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block] Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus 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 Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Real Estate Investments, Net [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 [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] Acquired In-Place Leases Leases, Acquired-in-Place [Member] Acquired Above-Market Leases Above Market Leases [Member] Acquired Below-Market Leases Leases, Acquired-in-Place, Market Adjustment [Member] Acquired Finite-Lived Intangible Assets [Line Items] Acquired Finite-Lived Intangible Assets [Line Items] Fair value Finite-lived Intangible Assets Acquired Fair value Below Market Lease, Acquired Weighted-average useful life Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Earnings Per Share [Abstract] Earnings Per Share, Policy Earnings Per Share, Policy [Policy Text Block] Stockholders' Equity Note [Abstract] Share price Share Price Share repurchases, shares Stock Repurchased During Period, Shares SRP, Outstanding Requests Share Repurchase Program, Outstanding Requests Number of shares that have been requested to be repurchased through a share repurchase program that have not yet been fulfilled. Class B units unvested Class B units unvested Represents the number of unvested Class B units that are outstanding. Equity Stockholders' Equity Note Disclosure [Text Block] Statement of Financial Position [Abstract] Acquired below-market lease liabilities, accumulated amortization Below Market Lease, Accumulated Amortization Preferred stock, par value Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized Preferred Stock, Shares Authorized Preferred stock, shares issued and outstanding Preferred Stock, Shares Outstanding Common stock, par value Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued and outstanding Common Stock, Shares, Outstanding Schedule of Real Estate Properties [Table] Schedule of Real Estate Properties [Table] Name of Property [Axis] Name of Property [Axis] Name of Property [Domain] Name of Property [Domain] Arlington Station Seville Commons [Member] Seville Commons Herndon Station Herndon Station [Member] Herndon Station [Member] Windmill Station Windmill Station [Member] Windmill Station [Member] Plaza 23 Station Plaza 23 Station [Member] Plaza 23 Station Bells Fork Station Bells Fork Station [Member] Bells Fork Station [Member] Evans Towne Station Evans Station [Member] Evans Station Riverlakes Station Riverlakes Station [Member] Riverlakes Station Real Estate Properties [Line Items] Real Estate Properties [Line Items] Real estate acquired, number Number of real estate acquisitions The number of real estate acquisitions by the entity during the period. Purchase price Payments to Acquire Real Estate Square footage Area of Real Estate Property Leased % of rentable square feet at acquisitionn Real Estate Property, Leased Percentage For a real estate property, the percentage of square feet leased. Income Statement [Abstract] Revenues: Revenues [Abstract] Rental income Operating Leases, Income Statement, Lease Revenue Tenant recovery income Tenant Reimbursements Other property income Other Real Estate Revenue Total revenues Revenues Expenses: Operating Expenses [Abstract] Property operating Direct Costs of Leased and Rented Property or Equipment Real estate taxes Real Estate Tax Expense General and administrative General and Administrative Expense Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Total expenses Operating Expenses Other: Other Nonoperating Income (Expense) [Abstract] Interest expense, net Interest Expense Transaction expenses Business Combination, Acquisition Related Costs Other income (expense), net Other Nonoperating Income (Expense) Net loss Net Income (Loss) Attributable to Parent Earnings per common share: Net loss per share - basic and diluted Earnings Per Share, Basic and Diluted Weighted-average common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic and diluted Weighted Average Number of Shares Outstanding, Basic and Diluted Comprehensive income (loss): Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Net loss Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Change in unrealized gain (loss) on interest rate swaps Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Interest Rate Swap Interest Rate Swap [Member] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated as Hedging Instrument Designated as Hedging Instrument [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Amount estimated to be reclassified from AOCI to interest expense over next 12 months Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred Count Number of Interest Rate Derivatives Held Notional amount Derivative, Notional Amount Fixed LIBOR Derivative, Fixed Interest Rate Amount of gain (loss) recognized in OCI on derivative Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net Amount of gain (loss) reclassified from AOCI into interest expense Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Stock Compensation Plan Stock Compensation Plan [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Restricted stock award Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Earnings Per Share Earnings Per Share [Text Block] Adoption of ASU 2017-05, recognition of deferred gain New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification Due to Joint Ventures Due to Other Related Parties Due from Joint Ventures Due from Related Parties Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock Common Stock [Member] Additional Paid-In Capital Additional Paid-in Capital [Member] AOCI AOCI Attributable to Parent [Member] Accumulated Deficit Retained Earnings [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance, shares Shares, Outstanding Balance, values Stockholders' Equity Attributable to Parent Adoption of ASU 2017-05 (see Note 2) Share repurchases, shares Share repurchases, value Stock Repurchased During Period, Value Distribution reinvestment plan (DRIP), shares Stock Issued During Period, Shares, Dividend Reinvestment Plan Distribution reinvestment plan (DRIP), value Stock Issued During Period, Value, Dividend Reinvestment Plan Change in unrealized gain on interest rate swaps Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent Common distributions declared, $0.81 per share Dividends, Common Stock, Cash Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Share-based compensation Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Net loss Balance, shares Balance, values Commitments and Contingencies Disclosure [Abstract] Commitments And Contingencies Commitments and Contingencies Disclosure [Text Block] Fair Value Disclosures [Abstract] Fair Value Inputs, Assets, Quantitative Information [Table] Fair Value Inputs, Assets, Quantitative Information [Table] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 2 Fair Value, Inputs, Level 2 [Member] Interest Rate Swap Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Mortgages Mortgages [Member] Fair Value, (Assets) Liabilities Measured on Recurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Number of interest rate swap agreements Derivative, notional amount Interest rate derivative assets, at fair value Interest Rate Derivative Assets, at Fair Value Interest rate derivative liabilities, at fair value Interest Rate Derivative Liabilities, at Fair Value Derivatives and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] ASSETS Assets [Abstract] Investment in real estate: Real Estate Investment Property, Net [Abstract] Land and improvements Land and Land Improvements Building and improvements Investment Building and Building Improvements Acquired in-place lease assets Finite-Lived Intangible Asset, Acquired-in-Place Leases Acquired above-market lease assets Finite-Lived Intangible Asset, Off-market Lease, Favorable, Gross Total investment in property Real Estate Investment Property, at Cost Accumulated depreciation and amortization Real Estate Investment Property, Accumulated Depreciation Net investment in property Real Estate Investment Property, Net Investment in unconsolidated joint venture Real Estate Investments, Unconsolidated Real Estate and Other Joint Ventures Total investment in real estate assets, net Real Estate Investments, Net Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Restricted cash Restricted Cash and Cash Equivalents Other assets, net Other Assets, Miscellaneous Total assets Assets LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Liabilities: Liabilities [Abstract] Debt obligations, net Long-term Debt Acquired below-market lease liabilities, net of accumulated amortization of $13,287 and $10,959, respectively Below Market Lease, Net Accounts payable - affiliates Accounts Payable, Related Parties Accounts payable and other liabilities Accounts Payable and Other Accrued Liabilities Total liabilities Liabilities Commitments and contingencies (Note 8) Commitments and Contingencies Equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, $0.01 par value per share, 10,000 shares authorized, zero shares issued and outstanding at June 30, 2018 and December 31, 2017, respectively Preferred Stock, Value, Issued Common stock, $0.01 par value per share, 1,000,000 shares authorized, 46,745 and 46,584 shares issued and outstanding at June 30, 2018 and December 31, 2017, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Accumulated other comprehensive income (“AOCI”) Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Accumulated deficit Retained Earnings (Accumulated Deficit) Total equity Total liabilities and equity Liabilities and Equity Schedule of Real Estate Acquired, Comparison by Years Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Schedule of Intangible Leases Acquired, Fair Value and Weighted Useful Life Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block] Statement of Cash Flows [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES: Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash provided by operating activities: Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Net amortization of above- and below-market leases Amortization of above and below Market Leases Amortization of deferred financing expense Amortization of Debt Issuance Costs Change in fair value of derivatives Unrealized Gain (Loss) on Derivatives Straight-line rental income Straight Line Rent Other Other Noncash Income (Expense) Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts payable – affiliates Increase (Decrease) in Due to Related Parties Other assets Increase (Decrease) in Other Operating Assets Accounts payable and other liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities CASH FLOWS FROM INVESTING ACTIVITIES: Net Cash Provided by (Used in) Investing Activities [Abstract] Real estate acquisitions Payments to Acquire Commercial Real Estate Capital expenditures Payments for Capital Improvements Investment in unconsolidated joint venture Payments to Acquire Interest in Joint Venture Return of investment in unconsolidated joint venture Proceeds from Equity Method Investment, Distribution, Return of Capital Principal disbursement on notes receivable - affiliate Increase (Decrease) in Notes Receivable, Related Parties, Current 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] Net change in credit facility Line of Credit Facility, Increase (Decrease), Net Payments on mortgages and loans payable Repayments of Long-term Debt Payments of deferred financing expenses Payments of Financing Costs Distributions paid, net of DRIP Payments of Ordinary Dividends, Common Stock Repurchases of common stock Payments for Repurchase of Common Stock Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities NET 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: Cash and Cash Equivalents, at Carrying Value [Abstract] Beginning of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents End of period RECONCILIATION TO CONSOLIDATED BALANCE SHEET Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract] Restricted cash Cash, cash equivalents, and restricted cash at end of period SUPPLEMENTAL CASH FLOW DISCLOSURE, INCLUDING NON-CASH INVESTING AND FINANCING ACTIVITIES: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Cash paid for interest Interest Paid, Net Fair value of debt assumed Loans Assumed Accrued capital expenditures and acquisition costs Capital Expenditures Incurred but Not yet Paid Change in distributions payable Change in Distributions Payable The change in the balance of distributions payable Distributions reinvested Equity Method Investments and Joint Ventures [Abstract] Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Corporate Joint Venture Corporate Joint Venture [Member] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Equity method investment, ownership percentage Equity Method Investment, Ownership Percentage Number of real estate properties Number of Real Estate Properties Cumulative equity contributions Cumulative distributions Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility Revolving Credit Facility [Member] Term Loans Term Loan Facility [Member] Term Loan Facility [Member] Term Loan Due 2019 Term Loan Due 2019 [Member] Term Loan Due 2019 Term Loan Due 2020 Term Loan Due 2020 [Member] Term Loan Due 2020 [Member] Term Loan Due 2024 Term Loan Due 2024 [Member] Term Loan Due 2024 Debt Instrument [Line Items] Debt Instrument [Line Items] Outstanding principal balance Long-term Debt, Gross Interest rate Debt Instrument, Interest Rate, Effective Percentage Assumed below-market debt adjustments, net Debt Instrument, Unamortized Discount (Premium), Net Deferred financing cost, net Unamortized Debt Issuance Expense Gross borrowing Proceeds from Lines of Credit Gross payments Repayments of Lines of Credit Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Maturity date extension fee, percent Maturity Date Extension Fee, Percent The percentage of the outstanding principal balance required to be paid in order to extend the maturity date of a debt instrument. Accumulated amortization, assumed market debt adjustment Accumulated amortization, assumed below-market debt adjustment The accumulated amortization balance of the assumed below-market debt adjustment. Accumulated amortization, deferred financing costs Accumulated Amortization, Debt Issuance Costs Weighted-average interest rate on debt Long-term Debt, Weighted Average Interest Rate, at Point in Time Schedule of New Accounting Pronouncements and Changes in Accounting Principles Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] Common distributions declared per share Common Stock, Dividends, Per Share, Declared Related Party Transactions Related Party Transactions Disclosure [Text Block] Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Subsequent Event [Table] Subsequent Event [Table] Equity Interest Type [Axis] Equity Interest Type [Axis] Equity Interest Issued or Issuable, Type [Domain] Equity Interest Issued or Issuable, Type [Domain] Common Stock Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Business combination, date of combination agreement Business Acquisition, Date of Acquisition Agreement Business acquisition, name of acquiring entity Business Acquisition, Name of Acquired Entity Number of real estate properties, post merger transaction Number of Real Estate Properties, Post-Transaction Number of real estate properties, post-transaction, including properties acquired through the transaction and properties originally owned by the surviving company. Business combination, post merger transaction, net rentable area Number of states in which surviving entity operates Number of States in which Entity Operates Business combination, number of share convertible to acquirer stock Business Combination Consideration Transferred Equity Interests Issued Ratio Ratio of shares of the acquirer issued per share of the acquired entity in consideration for the business combination. Business acquisition, value per share, acquiree stock Business Acquisition Share Value Per Share of Acquiree The per share value of stocks paid or offered to be paid in a business combination per share of acquiree stock. Common stock of acquirer, per share, fair value Business Acquisition, Share Price Business acquisition, potential termination fee, payable by acquiree for third party proposal Business acquisition, potential termination fee, payable by acquiree for third party proposal In a potential business acquisition, the termination fee payable by the acquiree for a termination as a result of an alternative proposal by a third party. Business combination, contingent termination fee due to acquirer Business acquisition potential termination fee payable by acquiree In a potential business acquisition, the termination fee payable by the acquiree. Business combination, contingent termination due from acquirer Business acquisition potential termination fee payable by acquirer In a potential business acquisition, the termination fee payable by the acquirer. Business Acquisition percentage of voting interests retained by acquirer Business Acquisition Percentage Of Voting Interests Retained by Acquirer Percentage of voting equity interests retained by the acquirer at the acquisition date in the business combination. Business combination, post-transaction acquirer ownership percentage Business Acquisition, Percentage of Voting Interests Acquired Real Estate Acquisitions Real Estate Disclosure [Text Block] Debt Obligations, Net Mortgage Notes Payable Disclosure [Text Block] Debt Obligations Fair Value Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Derivative Instruments, Fair Value Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Fixed-rate debt Long-term Debt, Percentage Bearing Fixed Interest, Amount Variable-rate debt Long-term Debt, Percentage Bearing Variable Interest, Amount Unsecured debt Unsecured Debt Secured debt Secured Debt Total Equity Method Investments Equity Method Investments [Table Text Block] Basis of Presentation and Principles of Consolidation Consolidation, Policy [Policy Text Block] Investments in Unconsolidated Joint Venture Equity Method Investments [Policy Text Block] Newly Adopted and Recently Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Reclassification, Policy Reclassification, Policy [Policy Text Block] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Advisory Agreement Advisory Agreement [Member] Advisory Agreement [Member] Distribution Type [Axis] Distribution Type [Axis] Distribution Type [Domain] Distribution Type [Domain] Cash Cash [Member] Class B Units Unit Distribution [Member] Related Party Transaction [Axis] Related Party Transaction [Axis] Related Party Transaction [Domain] Related Party Transaction [Domain] Asset Management Fees Asset management fee [Member] Fee related to asset management subordinated participation. Acquisition Fees Acquisition fee [Member] Fee related to services provided in connection with the selection and purchase or origination of real estate and real estate-related investments. Disposition Fees Disposition fee [Member] Fee related to assistance in connection with the sale of properties or other investments. General and Administrative Reimbursements General and Administrative Reimbursements [Member] Reimbursements for general and administrative expenses paid on behalf of the company. Class B Units Distribution Dividend Paid [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Related party transaction, rate Related Party Transaction, Rate Accounts Payable, Related Parties Related Party Transaction, Expenses from Transactions with Related Party Related Party Transaction, Expenses from Transactions with Related Party Related Party, Monthly Cash Asset Management Fee Rate Related Party, Monthly Cash Asset Management Fee Rate Stated monthly rate for cash asset management services provided by related parties. Related Party, Quarterly Subordinated Participation Fee Rate Related Party, Quarterly Subordinated Participation Fee Rate Stated quarterly rate for Class B units for asset management services provided by related parties. Class B units of operating partnership, issued in connection with asset management services Limited Partners' Capital Account, Units Issued Allowed percentage increase to leasing fee payable Allowed Percentage Increase to Leasing Fee Payable Leasing fee payable to Property Manager may be increased by up to 50% in the event that the Property Manager engages a co-broker to lease a particular vacancy. Due to Other Related Parties Dividends [Axis] Dividends [Axis] Dividends [Domain] Dividends [Domain] Dividend Paid Dividend Per Share Declared Dividend Declared [Member] Common stock, dividends, per share, declared Gross amount of distribution paid Dividends, Common Stock Net cash distribution Fair Value Inputs, Liabilities, Quantitative Information [Table] Fair Value Inputs, Liabilities, Quantitative Information [Table] Fair Value, Inputs, Level 3 Fair Value, Inputs, Level 3 [Member] Fair Value Inputs, Liabilities, Quantitative Information [Line Items] Fair Value Inputs, Liabilities, Quantitative Information [Line Items] Fair value Loans Payable, Fair Value Disclosure Recorded value Long-term Debt and Capital Lease Obligations, Including Current Maturities Deferred financing costs Organization, Consolidation and Presentation of Financial Statements [Abstract] Number of real estate properties owned Business combination, date of combination agreement Business combination, ratio of shares of acquirer issued for acquired entity shares Investment in Unconsolidated Joint Venture Equity Method Investments and Joint Ventures Disclosure [Text Block] Organization Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Property Manager Property Manager [Member] Property Manager [Member] Property Management Fees Property management fee [Member] Fee paid for the management of properties. Leasing Commissions Leasing Commissions [Member] Commissions paid for the leasing of property. Construction Management Fees Construction management fee [Member] Related to fees paid for management of construction. Other Fees and Reimbursements Other fees and reimbursements [Member] All other fees and reimbursements related to property management services. Property management fee, percent fee Property Management Fee, Percent Fee Expenses from transactions with related party Fair Value Measurement Fair Value Disclosures [Text Block] Distributions to Stockholders Dividends Declared [Table Text Block]