Entity Central Index Key Cover [Abstract] 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 Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Entity Current Reporting Status Entity Current Reporting Status Entity Shell Company Entity Shell Company Entity File Number Entity File Number Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address Address Line1 Entity Address, Address Line Two Entity Address Address Line2 Entity Address, City or Town Entity Address City Or Town Entity Address, State or Province Entity Address State Or Province Entity Address, Postal Zip Code Entity Address Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Entity Interactive Data Current Entity Interactive Data Current Title of 12(b) Security Security12b Title Security Exchange Name Security Exchange Name Entity Incorporation, State or Country Code Entity Incorporation State Country Code Document Quarterly Report Document Quarterly Report Document Transition Report Document Transition Report Real estate investment property excluding real estate held for sale at cost. Real estate investment property excluding real estate held for sale accumulated depreciation. Real estate investment property excluding real estate held for sale net. Statement Of Financial Position [Abstract] ASSETS: Assets [Abstract] Investments in real estate: Real Estate Investment Property At Cost [Abstract] Investments in real estate, at cost Real Estate Investment Property Excluding Real Estate Held For Sale At Cost Accumulated depreciation Real Estate Investment Property Excluding Real Estate Held For Sale Accumulated Depreciation Investments in real estate, net Real Estate Investment Property Excluding Real Estate Held For Sale Net Real estate held for sale Real Estate Heldforsale Cash and cash equivalents Cash And Cash Equivalents At Carrying Value Restricted cash Restricted Cash And Cash Equivalents At Carrying Value Other assets Other Assets Derivative assets Derivative Assets Intangible assets, net of accumulated amortization of $412 and $787, respectively Intangible Assets Net Excluding Goodwill Total Assets Assets LIABILITIES AND EQUITY: Liabilities And Stockholders Equity [Abstract] Indebtedness, net of unamortized deferred financing costs of $5,686 and $5,927, respectively Long Term Debt Accounts payable and accrued expenses Accounts Payable And Accrued Liabilities Current And Noncurrent Accrued interest payable Interest Payable Current And Noncurrent Dividends payable Dividends Payable Current And Noncurrent Derivative liabilities Derivative Liabilities Other liabilities Other Liabilities Total Liabilities Liabilities Equity: Stockholders Equity Including Portion Attributable To Noncontrolling Interest [Abstract] Stockholders’ equity: Stockholders Equity [Abstract] Preferred stock, $0.01 par value; 50,000,000 shares authorized, 0 and 0 shares issued and outstanding, respectively Preferred Stock Value Common stock, $0.01 par value; 300,000,000 shares authorized, 90,894,656 and 89,184,443 shares issued and outstanding, including 328,875 and 303,819 unvested restricted common share awards, respectively Common Stock Value Additional paid-in capital Additional Paid In Capital Common Stock Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income Loss Net Of Tax Retained earnings (accumulated deficit) Retained Earnings Accumulated Deficit Total stockholders’ equity Stockholders Equity Noncontrolling interests Minority Interest Total Equity Stockholders Equity Including Portion Attributable To Noncontrolling Interest Total Liabilities and Equity Liabilities And Stockholders Equity Restricted common stock, shares, outstanding. Intangible assets, accumulated amortization Finite Lived Intangible Assets Accumulated Amortization Indebtedness, unamortized deferred financing costs Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net Preferred stock, par value Preferred Stock Par Or Stated Value Per Share Preferred stock, shares authorized Preferred Stock Shares Authorized Preferred stock, shares issued Preferred Stock Shares Issued Preferred stock, shares 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 Common Stock Shares Issued Common stock, shares outstanding Common Stock Shares Outstanding Unvested restricted common share awards Restricted Common Stock Shares Outstanding Rental and other property revenue. Income Statement [Abstract] REVENUE: Revenues [Abstract] Rental and other property revenue Rental And Other Property Revenue Other revenue Other Income Total revenue Revenues EXPENSES: Costs And Expenses [Abstract] Property operating expenses Direct Costs Of Leased And Rented Property Or Equipment Type of Cost, Good or Service [Extensible List] Type Of Cost Good Or Service Extensible List Property management expenses Cost Of Goods And Services Sold General and administrative expenses General And Administrative Expense Depreciation and amortization expense Depreciation And Amortization Total expenses Costs And Expenses Interest expense Interest Expense Other income Other Nonoperating Income Expense Gain on sale of assets Gain Loss On Disposition Of Assets Net income: Profit Loss Income allocated to noncontrolling interest Net Income Loss Attributable To Noncontrolling Interest Net income allocable to common shares Net Income Loss Available To Common Stockholders Basic Earnings per share: Earnings Per Share [Abstract] Basic Earnings Per Share Basic Diluted Earnings Per Share Diluted Weighted-average shares: Weighted Average Number Of Shares Outstanding [Abstract] Basic Weighted Average Number Of Shares Outstanding Basic Diluted Weighted Average Number Of Diluted Shares Outstanding Statement Of Income And Comprehensive Income [Abstract] Net income Other comprehensive income (loss): Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract] Change in fair value of interest rate hedges Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax Realized (gains) losses on interest rate hedges reclassified to earnings Interest Rate Cash Flow Hedge Gain Loss Reclassified To Earnings Net Total other comprehensive income (loss) Other Comprehensive Income Loss Net Of Tax Comprehensive income (loss) before allocation to noncontrolling interests Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest Allocation to noncontrolling interests Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest Comprehensive income (loss) Comprehensive Income Net Of Tax Statement Of Stockholders Equity [Abstract] Statement [Table] Statement [Table] Equity Components Statement Equity Components [Axis] Equity Component Equity Component [Domain] Common Shares Common Stock [Member] Additional Paid In Capital Additional Paid In Capital [Member] Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income [Member] Retained Earnings (Deficit) Retained Earnings [Member] Total Stockholders' Equity Parent [Member] Noncontrolling Interests Noncontrolling Interest [Member] Statement [Line Items] Statement [Line Items] Beginning Balance Beginning Balance (in Shares) Net income (loss) Other comprehensive income Stock compensation expense Stock Issued During Period Value Share Based Compensation Stock compensation expense (in Shares) Stock Issued During Period Shares Share Based Compensation Issuance of common shares Stock Issued During Period Value New Issues Issuance of common shares (in Shares) Stock Issued During Period Shares New Issues Repurchase of shares related to equity award tax withholding Stock Repurchased And Retired During Period Value Repurchase of shares related to equity award tax withholding (in shares) Stock Repurchased And Retired During Period Shares Conversion of noncontrolling interest to common shares Stock Issued During Period Value Conversion Of Units Conversion of noncontrolling interest to common shares (in Shares) Stock Issued During Period Shares Conversion Of Units Common dividends declared ($0.18 per share) Dividends Common Stock Distribution to noncontrolling interest declared ($0.18 per unit) Minority Interest Decrease From Distributions To Noncontrolling Interest Holders Ending Balance Ending Balance (in shares) Distribution to noncontrolling interest declared per share. Common dividends declared per share Common Stock Dividends Per Share Declared Distribution to noncontrolling interest declared per share Distribution To Noncontrolling Interest Declared Per Share Amortization or adjustments related to derivative instruments. Payments to acquire productive assets excluding acquisition of real estate properties. (Payments) Reimbursements for Deferred Financing Costs Reconciliation of cash, cash equivalents, and restricted cash to consolidated balance sheet. Statement Of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net income to cash flow from operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Depreciation and amortization Amortization of deferred financing costs Amortization Of Financing Costs Stock compensation expense Share Based Compensation Gain on sale of assets Amortization related to derivative instruments Amortization Or Adjustments Related To Derivative Instruments Changes in assets and liabilities: Increase Decrease In Operating Capital [Abstract] Other assets Increase Decrease In Other Operating Assets Accounts payable and accrued expenses Increase Decrease In Accounts Payable And Accrued Liabilities Accrued interest payable Increase Decrease In Interest Payable Net Other liabilities Increase Decrease In Other Operating Liabilities Net cash provided by (used in) 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 real estate properties Payments To Acquire Real Estate Disposition of real estate properties Proceeds From Sale Of Real Estate Heldforinvestment Capital expenditures Payments To Acquire Productive Assets Excluding Acquisition Of Real Estate Properties Cash flow (used in) provided by investing activities Net Cash Provided By Used In Investing Activities Cash flows from financing activities: Net Cash Provided By Used In Financing Activities [Abstract] Proceeds from unsecured credit facility and term loans Proceeds From Unsecured Lines Of Credit Unsecured credit facility repayments Repayments Of Unsecured Debt Mortgage principal repayments Repayments Of First Mortgage Bond Payments for deferred financing costs Payments Reimbursements For Deferred Financing Costs Proceeds from issuance of common stock Proceeds From Issuance Of Common Stock Distributions on common stock Payments Of Dividends Common Stock Distributions to noncontrolling interests Payments Of Dividends Minority Interest Repurchase of shares related to equity award tax withholding Payments Related To Tax Withholding For Share Based Compensation Cash flow provided by (used in) financing activities Net Cash Provided By Used In Financing Activities Net change in cash and cash equivalents, and restricted cash Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect Cash and cash equivalents, and restricted cash, beginning of period Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Cash and cash equivalents, and restricted cash, end of the period Reconciliation of cash, cash equivalents, and restricted cash to the Consolidated Balance Sheet Reconciliation Of Cash Cash Equivalents And Restricted Cash To Consolidated Balance Sheet [Abstract] Restricted cash Restricted Cash Accounting Policies [Abstract] Organization Nature Of Operations Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Banking And Thrift [Abstract] Investments in Real Estate Real Estate Owned [Text Block] Debt Disclosure [Abstract] Indebtedness Debt Disclosure [Text Block] Derivative Instruments And Hedging Activities Disclosure [Abstract] Derivative Financial Instruments Derivative Instruments And Hedging Activities Disclosure [Text Block] Equity [Abstract] Stockholder Equity and Noncontrolling Interests Stockholders Equity Note Disclosure [Text Block] Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Equity Compensation Plans Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Earnings Per Share Earnings Per Share [Text Block] Commitments And Contingencies Disclosure [Abstract] Other Disclosures Commitments And Contingencies Disclosure [Text Block] Basis of Presentation Basis Of Accounting Policy Policy [Text Block] Principles of Consolidation Consolidation Policy [Text Block] Use of Estimates Use Of Estimates Cash and Cash Equivalents Cash And Cash Equivalents Policy [Text Block] Restricted Cash Cash And Cash Equivalents Restricted Cash And Cash Equivalents Policy Investments in Real Estate Real Estate Policy [Text Block] Revenue recognition and expenses. Revenue and Expenses Revenue Recognition And Expenses Policy [Text Block] Derivative Instruments Derivatives Policy [Text Block] Fair Value of Financial Instruments Fair Value Of Financial Instruments Policy Deferred Financing Costs Deferred Charges Policy [Text Block] Office Leases Lessee Leases Policy [Text Block] Income Taxes Income Tax Policy [Text Block] Recent Accounting Pronouncements New Accounting Pronouncements Policy Policy [Text Block] Schedule of carrying values and estimated fair values of financial instruments. Schedule of Carrying Amount and Fair Value of Financial Instrument Schedule Of Carrying Values And Estimated Fair Values Of Financial Instruments Table [Text Block] Summary of Investments in Real Estate Schedule Of Real Estate Properties Table [Text Block] Summary of Acquisitions Schedule Of Business Acquisitions By Acquisition [Text Block] Summary of Fair Value of Assets and Liabilities Schedule Of Recognized Identified Assets Acquired And Liabilities Assumed Table [Text Block] Summary of Disposition of Property Schedule Of Disposal Groups Including Discontinued Operations Income Statement Balance Sheet And Additional Disclosures [Text Block] Summary Information Concerning Indebtedness Schedule Of Debt Instruments [Text Block] Summary of Aggregate Amount and Estimated Net Fair Value of Our Derivative Instruments Schedule Of Derivative Instruments [Text Block] Reconciliation of Basic and Diluted Earnings Per Share Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Organization Consolidation And Presentation Of Financial Statements [Abstract] Number of multifamily properties owned Number Of Real Estate Properties Number of units located with multifamily properties Number Of Units In Real Estate Property Cash and cash equivalents original maturity period. Significant accounting policies. Significant accounting policies. Significant Accounting Policies [Table] Significant Accounting Policies [Table] Statistical Measurement Range [Axis] Statistical Measurement Range [Member] Minimum Minimum [Member] Maximum Maximum [Member] 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] Leases Acquired In Place Leases Acquired In Place [Member] Property, Plant and Equipment, Type Property Plant And Equipment By Type [Axis] Property, Plant and Equipment, Type Property Plant And Equipment Type [Domain] Building and Building Improvements Building And Building Improvements [Member] Equipment and Fixtures Other Machinery And Equipment [Member] Unusual or Infrequent Item, or Both Unusual Or Infrequent Item [Axis] Unusual or Infrequent Item, or Both Unusual Or Infrequent Item [Domain] Natural Disasters and Other Insurable Events Natural Disasters And Other Casualty Events [Member] Adjustments for New Accounting Pronouncements Adjustments For New Accounting Pronouncements [Axis] Type of Adoption Type Of Adoption [Member] Topic 842 Accounting Standards Update201602 [Member] Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Cash and cash equivalents original maturity period Cash And Cash Equivalents Original Maturity Period Federal Deposit Insurance Corporation deposit insurance limit per institution Cash F D I C Insured Amount Acquisition of above-market in-place leases Finitelived Intangible Assets Acquired1 Amortization expense for intangible assets Amortization Of Intangible Assets Additional amortization expense on current in-place intangible assets Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year Write-off of amortized intangible assets Impairment Of Intangible Assets Finitelived Depreciable Lives Property Plant And Equipment Useful Life Depreciation expense Depreciation Uncollectible rental revenue. Uncollectible rental revenue Uncollectible Rental Revenue Bad debt expense Provision For Doubtful Accounts Revenue recognized rent. Rent revenue recognized Revenue Recognized Rent Advertising expenses Advertising Expense Transfers of assets between Level 1 and Level 2 Fair Value Assets Level1 To Level2 Transfers Amount Transfers of assets between Level 2 and Level 1 Fair Value Assets Level2 To Level1 Transfers Amount Transfers of liabilities between Level 1 and Level 2 Fair Value Liabilities Level1 To Level2 Transfers Amount Transfers of liabilities between Level 2 and Level 1 Fair Value Liabilities Level2 To Level1 Transfers Amount Derivative assets carrying value. Derivative liabilities carrying value. Long-term Debt, Type Longterm Debt Type [Axis] Long-term Debt, Type Longterm Debt Type [Domain] Mortgages Mortgages [Member] Credit Facility Credit Facility [Axis] Credit Facility Credit Facility [Domain] Unsecured credit facility. Unsecured Credit Facility Unsecured Credit Facility [Member] Term loan facility. Term Loans Term Loan Facility [Member] Assets Assets Fair Value Disclosure [Abstract] Cash and cash equivalents, Carrying Amount Restricted cash, Carrying Amount Derivative assets, Carrying Amount Derivative Assets Carrying Value Liabilities Liabilities Fair Value Disclosure [Abstract] Indebtedness, net of unamortized discount and deferred financing costs Derivative liabilities, carrying Amount Derivative Liabilities Carrying Value Restricted cash and cash equivalents fair value disclosure. Cash and cash equivalents, Estimated Fair Value Cash And Cash Equivalents Fair Value Disclosure Restricted cash, Estimated Fair Value Restricted Cash And Cash Equivalents Fair Value Disclosure Derivative assets, Estimated Fair Value Derivative Fair Value Of Derivative Asset Indebtedness, net of unamortized discount and deferred financing costs, estimated fair value Long Term Debt Fair Value Derivative liabilities, Estimated Fair Value Derivative Asset Fair Value Gross Liability Operating lease term Lessee Operating Lease Term Of Contract Right-of-use assets Operating Lease Right Of Use Asset Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List Lease liability Operating Lease Liability Operating Lease, Liability, Statement of Financial Position [Extensible List] Operating Lease Liability Statement Of Financial Position Extensible List Total operating lease expense Operating Lease Expense Income tax expense Income Tax Expense Benefit Percentage of ordinary taxable income distributed to stockholders. Taxable income distributable to stockholders Percentage Of Ordinary Taxable Income Distributed To Stockholders Cumulative-effect adjustment Cumulative Effect On Retained Earnings Net Of Tax1 Real estate properties base purchase price. Real Estate Properties Base Purchase Price [Abstract] Schedule Of Real Estate Properties [Table] Schedule Of Real Estate Properties [Table] Disposal Group Classification Disposal Group Classification [Axis] Disposal Group Classification Disposal Group Classification [Domain] Held-for-sale Disposal Group Heldforsale Not Discontinued Operations [Member] Real Estate, Type of Property Mortgage Loans On Real Estate Description Type Of Property [Axis] Real Estate Mortgage Loans On Real Estate Name Property Type [Domain] Iron rock. Iron Rock [Member] Iron Rock [Member] Geographical Statement Geographical [Axis] Geographical Segment Geographical [Domain] Raleigh, NC NORTH CAROLINA Subsequent Event Type Subsequent Event Type [Axis] Subsequent Event Type Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Real Estate Properties [Line Items] Real Estate Properties [Line Items] Real Estate [Abstract] Building Building [Member] Furniture, fixtures and equipment Furniture And Fixtures [Member] Land Land Building Buildings And Improvements Gross Furniture, fixtures and equipment Fixtures And Equipment Gross Total investment in real estate Real Estate Investment Property At Cost Accumulated depreciation Real Estate Investment Property Accumulated Depreciation Investments in real estate, net Real Estate Investment Property Net Real estate property, location. Real estate property location Real Estate Property Location The number of units in a real estate property acquired. Payments to acquire real estate including transaction fees. Business Combinations [Abstract] Schedule Of Business Acquisitions By Acquisition [Table] Schedule Of Business Acquisitions By Acquisition [Table] Business Acquisition Business Acquisition [Axis] Business Acquisition, Acquiree Business Acquisition Acquiree [Domain] North park. North Park North Park [Member] Rocky Creek. Rocky Creek Rocky Creek [Member] Atlanta, GA GEORGIA Tampa, FL FLORIDA Business Acquisition [Line Items] Business Acquisition [Line Items] Date of Purchase Business Acquisition Effective Date Of Acquisition1 Units Number Of Units In Real Estate Property Acquired Contract Price Payments To Acquire Real Estate Including Transaction Fees Business combination recognized identifiable assets acquired and liabilities assumed accounts payable and accrued expenses. Business combination recognized identifiable assets acquired and liabilities assumed liabilities other. Assets acquired: Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets [Abstract] Investments in real estate Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Property Plant And Equipment Other assets Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Assets Other Intangible assets Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangibles Total assets acquired Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets Liabilities assumed: Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities [Abstract] Accounts payable and accrued expenses Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Accounts Payable And Accrued Expenses Other liabilities Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities Other Total liabilities assumed Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities Estimated fair value of net assets acquired Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Net Acquisition costs related to property Payments To Acquire Property Plant And Equipment Number of units in real estate properties acquired Purchase Price Sale price of real estate property. Reserve at eagle ridge. Reserve At Eagle Ridge [Member] Reserve At Eagle Ridge [Member] Littlerock AR portfolio. Little Rock, AR Portfolio [Member] Littlerock A R Portfolio [Member] Date of Sale Disposal Date1 Sale Price Sale Price Of Real Estate Property Gain (loss) on sale Gains Losses On Sales Of Investment Real Estate Gain (Loss) for properties, debt prepayment premium costs. Gain (loss) for properties, debt prepayment premium costs Gain Loss For Properties Debt Prepayment Premium Costs Mortgage Loans On Real Estate [Abstract] Debt Instrument [Table] Debt Instrument [Table] Unsecured term loan facility. Unsecured Term Loans Unsecured Term Loan Facility [Member] Weighted Average Weighted Average [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Outstanding Principal Debt Instrument Carrying Amount Unamortized Debt Issuance Costs Deferred Finance Costs Net Carrying Amount Type Debt Instrument Interest Rate Terms Weighted Average Rate Debt Weighted Average Interest Rate Weighted Average Maturity (in years) Debt Instrument Term Credit facility borrowing capacity Line Of Credit Facility Maximum Borrowing Capacity 2019 Long Term Debt Maturities Repayments Of Principal Remainder Of Fiscal Year 2020 Long Term Debt Maturities Repayments Of Principal In Year Two 2021 Long Term Debt Maturities Repayments Of Principal In Year Three 2022 Long Term Debt Maturities Repayments Of Principal In Year Four 2023 Long Term Debt Maturities Repayments Of Principal In Year Five Thereafter Long Term Debt Maturities Repayments Of Principal After Year Five Debt instrument commitment fees repayment period extended. Unsecured revolving line of credit. Unsecured Revolving Line of Credit Unsecured Revolving Line Of Credit [Member] Variable Rate Variable Rate [Axis] Variable Rate Variable Rate [Domain] LIBOR London Interbank Offered Rate L I B O R [Member] 1-month LIBOR rate member. 1-month LIBOR Rate One Month L I B O R Rate [Member] Base Rate Base Rate [Member] Mortgages fixed rate. Mortgages-Fixed Rate Mortgages Fixed Rate [Member] Mortgage Property One. Mortgage Property One Mortgage Property One [Member] Mortgage Property Two. Mortgage Property Two Mortgage Property Two [Member] Credit facility, revolving line of credit Line Of Credit Maturity date Debt Instrument Maturity Date Debt interest rate Debt Instrument Basis Spread On Variable Rate1 Commitment fees repayment period extended Debt Instrument Commitment Fees Repayment Period Extended Maturity term description Line Of Credit Facility Covenant Terms Deferred financing costs Number Of Property Dispositions. Mortgage loan related to property disposition Extinguishment Of Debt Amount Number Of Property Dispositions Number Of Property Dispositions Derivative Instruments Gain Loss By Hedging Relationship By Income Statement Location By Derivative Instrument Risk [Table] Derivative Instruments Gain Loss By Hedging Relationship By Income Statement Location By Derivative Instrument Risk [Table] Hedging Relationship Derivative Instruments Gain Loss By Hedging Relationship [Axis] Hedging Relationship Hedging Relationship [Domain] Cash Flow Hedge Cash Flow Hedging [Member] Derivative Instrument Derivative Instrument Risk [Axis] Derivative Contract Derivative Contract Type [Domain] Interest Rate Swap Interest Rate Swap [Member] Interest rate collar. Interest Rate Collar Interest Rate Collar [Member] Forward interest rate swap member. Forward Interest Rate Swap Forward Interest Rate Swap [Member] Derivative Instruments Gain Loss [Line Items] Derivative Instruments Gain Loss [Line Items] Derivative, notional amount Derivative Notional Amount Fair Value of Assets Cash Flow Hedge Derivative Instrument Assets At Fair Value Fair Value of Liabilities Cash Flow Hedge Derivative Instrument Liabilities At Fair Value Derivative assets included in accounts receivable and other assets. Fair Value of Assets Fair Value of Liabilities Fair Value of Assets Derivative Assets Included In Accounts Receivable And Other Assets Derivative effective date. Interest rate swap and collars. Interest Rate Swap and Collars Interest Rate Swap And Collars [Member] Scenario Statement Scenario [Axis] Scenario Scenario Unspecified [Domain] Scenario, Forecast Scenario Forecast [Member] Derivative, strike rate for the forward interest rate swap contract Derivative Forward Interest Rate Derivative, effective date Derivative Effective Date Derivative, maturity date Derivative Maturity Dates Interest rate cash flow hedge gain loss reclassified to earnings net of mark to market. Realized gains (losses) on interest rate hedges reclassified to earnings Interest Rate Cash Flow Hedge Gain Loss Reclassified To Earnings Net Of Mark To Market Reclassified out of accumulated other comprehensive income to earnings, amount Derivative Instruments Gain Loss Reclassified From Accumulated O C I Into Income Effective Portion Net Schedule Of Stock By Class [Table] Schedule Of Stock By Class [Table] Dividends Dividends [Axis] Dividends Dividends [Domain] Dividend Declared Dividend Declared [Member] Sale of Stock Subsidiary Sale Of Stock [Axis] Sale of Stock Sale Of Stock Name Of Transaction [Domain] At market sales agreement. ATM Sales Agreement At Market Sales Agreement [Member] Class Of Stock [Line Items] Class Of Stock [Line Items] Declaration date Dividends Payable Date Declared Day Month And Year Dividend declared per share Payment date Dividend Payable Date To Be Paid Day Month And Year Record date Dividends Payable Date Of Record Day Month And Year The value of dividends related to restricted common shares awards vested. Dividends paid Restricted Common Share Awards Vested Dividends At market sales agreement, remaining offer price of common shares. Sale of stock weighted average price per share. Shares issued Sale Of Stock Number Of Shares Issued In Transaction Weighted average price per share Sale Of Stock Weighted Average Price Per Share Net proceeds after deducting commissions Sale Of Stock Consideration Received On Transaction Commissions Payments Of Stock Issuance Costs At-the-market agreement to sell common shares, remaining offer price At Market Sales Agreement Remaining Offer Price Of Common Shares Limited partnership interest received in exchange for issuance of common stock or cash Partners Capital Account Units Converted OP Units outstanding Limited Partners Capital Account Units Outstanding Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Plan Name Plan Name [Axis] Plan Name Plan Name [Domain] Long term incentive plan. Long Term Incentive Plan Long Term Incentive Plan [Member] Award Type Award Type [Axis] Award Type Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Restricted Stock Restricted Stock [Member] Performance Share Units Performance Shares [Member] Title of Individual Title Of Individual [Axis] Title of Individual Title Of Individual With Relationship To Entity [Domain] Non executive officer employees. Non Executive Officer Employees Non Executive Officer Employees [Member] Executive Officers Executive Officer [Member] Non-employee directors. Non-employee Directors Non Employee Directors [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Expiration date of Incentive Plan Share Based Compensation Arrangement By Share Based Payment Award Expiration Date Awards vesting period Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 Share based compensation arrangement by share based payment award equity instruments other than options grant date fair value. Share based compensation arrangement by share based payment award number share issuable percentage. Shares issued Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted average fair value, granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants 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 Grant Date Fair Value Share based compensation arrangement by share based payment award number share issuable percentage Share Based Compensation Arrangement By Share Based Payment Award Number Share Issuable Percentage Weighted average fair value, granted Share Price Weighted-average shares outstanding—Basic Weighted-average shares outstanding—Diluted Earnings per share—Basic Earnings per share—Diluted Antidilutive securities excluded from computation of earnings per share, amount Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount