Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Schedule of Finite-Lived Intangible Assets [Table]
Schedule of Finite-Lived Intangible Assets [Table]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Leases in place, net
Leases, Acquired-in-Place [Member]
Ground lease sandwich interest, net
Ground Lease Sandwich Interest [Member]
Ground Lease Sandwich Interest [Member]
Legal and marketing costs, net
Legal And Marketing [Member]
Legal and marketing.
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Deferred costs and other assets, net
Deferred Costs and Other Assets
Tenant relationships, net
Tenant Relationships
Tenant relationships.
Lease origination costs, net
Deferred Costs, Leasing, Net
Other
Other Assets
Statement of Stockholders' Equity [Abstract]
Statement [Table]
Statement [Table]
Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Total Shareholders’ Equity
Parent [Member]
Preferred Stock
Preferred Stock [Member]
Common Stock
Common Stock [Member]
Additional Paid-in Capital
Additional Paid-in Capital [Member]
Accumulated Deficit
Retained Earnings [Member]
Noncontrolling Interests
Noncontrolling Interest [Member]
Class of Stock [Axis]
Class of Stock [Axis]
Class of Stock [Domain]
Class of Stock [Domain]
Series A Preferred
Series A Preferred Stock [Member]
Series B Preferred Stock
Series B Preferred Stock [Member]
Statement [Line Items]
Statement [Line Items]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance, shares
Shares, Outstanding
Beginning balance
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
Accretion of Series B Preferred Stock discount
Preferred Stock, Accretion of Redemption Discount
Issuance of Common Stock under Share Incentive Plan, shares
Shares Issued, Shares, Share-based Payment Arrangement, before Forfeiture
Issuance of Common Stock under Share Incentive Plan
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture
Dividends and distributions
Dividends
Net Income (loss)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Ending balance, shares
Ending balance
Leases [Abstract]
Cash paid for amounts included in the measurement of operating lease liabilities
Operating Lease, Payments
Leased assets obtained in exchange for new operating lease liabilities
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
Statement of Financial Position [Abstract]
Series D Preferred
Series D Preferred Stock [Member]
ASSETS:
Assets [Abstract]
Investment properties, net
Real Estate Investment Property, Net
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value
Restricted cash
Restricted Cash and Cash Equivalents
Rents and other tenant receivables, net
Accounts Receivable, after Allowance for Credit Loss, Current
Assets held for sale
Disposal Group, Including Discontinued Operation, Assets, Current
Above market lease intangibles, net
Off-market lease, Favorable
This element represents an asset associated with the acquisition of an off-market lease when the terms of the lease are favorable to the market terms for the lease at the date of acquisition.
Operating lease right-of-use assets
Operating Lease, Right-of-Use Asset
Total Assets
Assets
LIABILITIES:
Liabilities [Abstract]
Loans payable, net
Secured Debt
Liabilities associated with assets held for sale
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent
Below market lease intangibles, net
Off-market Lease, Unfavorable
Operating lease liabilities
Operating Lease, Liability, Noncurrent
Accounts payable, accrued expenses and other liabilities
Other Accounts Payable and Accrued Liabilities
Total Liabilities
Liabilities
Series D Cumulative Convertible Preferred Stock (no par value, 4,000,000 shares authorized, 3,600,636 shares issued and outstanding; $104.08 million and $101.66 million aggregate liquidation preference, respectively)
Temporary Equity, Carrying Amount, Attributable to Parent
EQUITY:
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Series A Preferred Stock (no par value, 4,500 shares authorized, 562 shares issued and outstanding), Series B Convertible Preferred Stock (no par value, 5,000,000 authorized, 1,875,748 shares issued and outstanding; $46.90 million aggregate liquidation preference)
Preferred Stock, Value, Outstanding
Common Stock ($0.01 par value, 18,750,000 shares authorized, 9,694,284 shares issued and outstanding)
Common Stock, Value, Issued
Accumulated deficit
Retained Earnings (Accumulated Deficit)
Additional paid-in capital
Additional Paid in Capital
Total Shareholders’ Equity
Stockholders' Equity Attributable to Parent
Noncontrolling interests
Stockholders' Equity Attributable to Noncontrolling Interest
Total Equity
Total Liabilities and Equity
Liabilities and Equity
Real Estate [Abstract]
Schedule of investment properties
Real Estate And Accumulated Depreciation Table [Table Text Block]
Real estate and accumulated depreciation.
Schedule of dispositions
Disposal Groups, Including Discontinued Operations [Table Text Block]
Preferred stock, no par value
Temporary Equity, Par Value
Preferred stock, shares authorized (in shares)
Temporary Equity, Shares Authorized
Preferred stock, shares issued (in shares)
Temporary Equity, Shares Issued
Preferred stock, shares outstanding (in shares)
Temporary Equity, Shares Outstanding
Preferred stock, aggregate liquidation preference
Temporary Equity, Liquidation Preference
Preferred stock, no par value (in usd per share)
Preferred Stock, No Par Value
Preferred stock, shares authorized (in shares)
Preferred Stock, Shares Authorized
Preferred stock, shares issued (in shares)
Preferred Stock, Shares Issued
Preferred stock, shares outstanding (in shares)
Preferred Stock, Shares Outstanding
Preferred stock, aggregate liquidation preference
Preferred Stock, Liquidation Preference, Value
Common stock, par value per share (in usd per share)
Common Stock, Par or Stated Value Per Share
Common stock, shares authorized (in shares)
Common Stock, Shares Authorized
Common stock, shares issued (in shares)
Common Stock, Shares, Issued
Common stock, shares outstanding (in shares)
Common Stock, Shares, Outstanding
Subsequent Events [Abstract]
Subsequent Events
Subsequent Events [Text Block]
Real Estate
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]
Schedule of Ground Lease Payments and Supplemental Information Related to Leases
Lease, Cost [Table Text Block]
Schedule of Undiscounted Cash Flows of Scheduled Obligations for Under Operating Leases
Lessee, Operating Lease, Liability, Maturity [Table Text Block]
Accounting Policies [Abstract]
Schedule of disaggregation of Company's revenue
Disaggregation of Revenue [Table Text Block]
Schedule of corporate general and administrative expenses
Corporate General And Administrative Expense [Table Text Block]
Corporate General And Administrative Expense [Table Text Block]
Debt Disclosure [Abstract]
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-term Debt Instruments [Table]
Collateral [Axis]
Collateral [Axis]
Collateral [Domain]
Collateral [Domain]
Commercial Real Estate
Commercial Real Estate [Member]
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]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Domain]
Long-term Debt, Type [Domain]
Line of Credit
Line of Credit [Member]
Lender Name [Axis]
Lender Name [Axis]
Line of Credit Facility, Lender [Domain]
Line of Credit Facility, Lender [Domain]
KeyBank
KeyBank [Member]
KeyBank [Member]
Counterparty Name [Axis]
Counterparty Name [Axis]
Counterparty Name [Domain]
Counterparty Name [Domain]
Shoppes at Myrtle Park
Shoppes at Myrtle Park [Member]
Shoppes at Myrtle Park [Member]
First National Bank Line of Credit
Monarch Bank Line Of Credit [Member]
Monarch bank line of credit.
Village of Martinsville
Village at Martinsville [Member]
Village at Martinsville [Member]
Laburnum Square
Laburnum Square [Member]
Laburnum Square [Member]
Folly Road
Folly Road [Member]
Folly Road [Member]
Variable Rate [Axis]
Variable Rate [Axis]
Variable Rate [Domain]
Variable Rate [Domain]
LIBOR
London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Axis]
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Amended and Restated Credit Agreement
Amended and Restated Credit Agreement [Member]
Amended and Restated Credit Agreement
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Subsequent Event
Subsequent Event [Member]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Line of credit facility, extension period
Line of Credit Facility, Extension Period
Line of Credit Facility, Extension Period
Debt instrument, basis spread on variable rate
Debt Instrument, Basis Spread on Variable Rate
Number of collateral properties
Number of collateral properties
The number of properties collateralizing a loan.
Debt instrument, periodic payment
Debt Instrument, Periodic Payment
Borrowings outstanding under line of credit
Long-term Line of Credit
Proceeds from Issuance of Debt
Proceeds from Issuance of Debt
Interest rate on line of credit facility at the end of period
Line of Credit Facility, Interest Rate at Period End
Debt instrument, interest rate. stated percentage
Debt Instrument, Interest Rate, Stated Percentage
Scheduled maturities of long-term debt
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months
Number of undeveloped parcels
Number of Undeveloped Land Parcels
Number of Undeveloped Land Parcels
Related Party Transactions [Abstract]
Schedule of Related Party Transactions, by Related Party [Table]
Schedule of Related Party Transactions, by Related Party [Table]
Related Party [Axis]
Related Party [Axis]
Related Party [Domain]
Related Party [Domain]
Wheeler Interests and Affiliates
Wheeler Interests And Affiliates [Member]
Wheeler interests and affiliates.
Related Party Transaction [Line Items]
Related Party Transaction [Line Items]
Amounts paid to affiliates
Related Party Transaction Amounts Paid To Related Party
Related party transaction amounts paid to related party.
Amounts received from affiliates
Related Party Transaction Amounts Received From Related Party
Related Party Transaction Amounts Received From Related Party
Disposal Groups, Including Discontinued Operations [Table]
Disposal Groups, Including Discontinued Operations [Table]
Disposal Group Name [Axis]
Disposal Group Name [Axis]
Disposal Group Name [Domain]
Disposal Group Name [Domain]
St. Matthews
St. Matthews [Member]
St. Matthews [Member]
Graystone Crossing
Graystone Crossing [Member]
Graystone Crossing [Member]
Harbor Point Land Parcel
Harbor Point (undeveloped land) [Member]
Harbor Point (undeveloped land) [Member]
Jenks Plaza
Jenks Plaza [Member]
Jenks plaza.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Area of land
Area of Land
Contract Price
Disposal Group, Including Discontinued Operation, Consideration
Gain
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal
Net Proceeds
Disposal group consideration, net
Document And Entity Information [Abstract]
Document and entity information.
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
Document Type
Document Type
Document Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Amendment Flag
Amendment Flag
Entity Small Business
Entity Small Business
Entity Emerging Growth Company
Entity Emerging Growth Company
Entity Shell Company
Entity Shell Company
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Entity Interactive Data Current
Entity Interactive Data Current
Entity Current Reporting Status
Entity Current Reporting Status
Loans Payable
Mortgage Notes Payable Disclosure [Text Block]
Organization and Basis of Presentation and Consolidation
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
For the remaining nine months ended December 31, 2020
Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year
December 31, 2021
Long-term Debt, Maturities, Repayments of Principal in Year Two
December 31, 2022
Long-term Debt, Maturities, Repayments of Principal in Year Three
December 31, 2023
Long-term Debt, Maturities, Repayments of Principal in Year Four
December 31, 2024
Long-term Debt, Maturities, Repayments of Principal in Year Five
December 31, 2025
Long-term Debt, Maturities, Repayments of Principal in Year Six
Long-term Debt, Maturities, Repayments of Principal in Year Six
Thereafter
Long-term Debt, Maturities, Repayments of Principal After Year Six
Long-term Debt, Maturities, Repayments of Principal After Year Six
Total principal repayments and debt maturities
Long-term Debt, Gross
Rentals under Operating Leases
Lessor, Operating Leases [Text Block]
Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
Schedule of related party activity
Schedule of Related Party Transactions [Table Text Block]
Schedule of loans payable
Schedule of Debt [Table Text Block]
Schedule of Company's scheduled principal repayments on indebtedness
Schedule of Maturities of Long-term Debt [Table Text Block]
Amortization of intangible assets
Amortization of Intangible Assets
Finite-lived intangible assets, accumulated amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Lessee, Lease, Description [Table]
Lessee, Lease, Description [Table]
Lease Arrangement, Type [Axis]
Lease Arrangement, Type [Axis]
Lease Arrangement, Type [Domain]
Lease Arrangement, Type [Domain]
JANAF
JANAF Acquisition [Member]
JANAF Acquisition
Statistical Measurement [Axis]
Statistical Measurement [Axis]
Statistical Measurement [Domain]
Statistical Measurement [Domain]
Minimum
Minimum [Member]
Maximum
Maximum [Member]
Lessee, Lease, Description [Line Items]
Lessee, Lease, Description [Line Items]
Operating lease term
Lessee, Operating Lease, Term of Contract
Weighted-average remaining lease term
Operating Lease, Weighted Average Remaining Lease Term
Commitments and Contingencies Disclosure [Abstract]
Loss Contingencies [Table]
Loss Contingencies [Table]
Real Estate, Type of Property [Axis]
Real Estate, Type of Property [Axis]
Real Estate [Domain]
Real Estate [Domain]
Land and land improvements
Land [Member]
Geographical [Axis]
Geographical [Axis]
Geographical [Domain]
Geographical [Domain]
Northeast
Northeast [Member]
Northeast.
Mid Atlantic
Mid Atlantic [Member]
Mid Atlantic.
Southeast
Southeast [Member]
Southeast.
Construction Loan
Real Estate [Member]
Affiliated Entity
Affiliated Entity [Member]
Loss Contingency Nature [Axis]
Loss Contingency Nature [Axis]
Loss Contingency, Nature [Domain]
Loss Contingency, Nature [Domain]
Guarantee of Indebtedness of Others
Guarantee of Indebtedness of Others [Member]
Grove Economic Development Authority Tax Increment Revenue Note
Grove Economic Development Authority Tax Increment Revenue Note [Member]
Grove Economic Development Authority Tax Increment Revenue Note
Legal Entity [Axis]
Legal Entity [Axis]
Entity [Domain]
Entity [Domain]
Harbor Pointe Associates, LLC
Harbor Pointe Associates, LLC [Member]
Harbor Pointe Associates, LLC
Notes Payable, Other Payables
Notes Payable, Other Payables [Member]
Consolidated Entities [Axis]
Consolidated Entities [Axis]
Consolidated Entities [Domain]
Consolidated Entities [Domain]
Guarantor Subsidiaries
Guarantor Subsidiaries [Member]
BOKF's
Bank of Arkansas [Member]
Bank of Arkansas
Grove Economic Development Authority
Grove Economic Development Authority [Member]
Grove Economic Development Authority
Loss Contingencies [Line Items]
Loss Contingencies [Line Items]
Percentage accounted by properties of its annualized base rent
Percentage Accounted By Properties Of Its Annualized Base Rent
Percentage accounted by properties of its annualized base rent.
Loss contingency, amount of damages sought
Loss Contingency, Damages Sought, Value
Loss contingency, amount of damages awarded
Loss Contingency, Damages Awarded, Value
Credit bid purchase approved by the bankruptcy court
Real Estate In Process of Foreclosure
Real Estate In Process of Foreclosure
Gain contingency, unrecorded amount
Gain Contingency, Unrecorded Amount
Debt issued
Debt Instrument, Face Amount
Number of semi-annual payment installments
Debt Instrument, Number of Semi-Annual Payment Installments
Debt Instrument, Number of Semi-Annual Payment Installments
Guarantor obligations, maximum exposure amount
Guarantor Obligations, Maximum Exposure, Undiscounted
Amounts accrued for guarantor obligations
Guarantor Obligations, Current Carrying Value
Investment Properties
Investment, Policy [Policy Text Block]
Assets Held for Sale and Discontinued Operations
Real Estate Held for Development and Sale, Policy [Policy Text Block]
Cash and Cash Equivalents and Restricted Cash
Cash and Cash Equivalents, Policy [Policy Text Block]
Tenant Receivables and Unbilled Rent
Accounts Receivable [Policy Text Block]
Above and Below Market Lease Intangibles, net
Intangible Assets, Costs Incurred to Renew or Extend, Policy [Policy Text Block]
Deferred Costs and Other Assets, net
Deferred Charges, Policy [Policy Text Block]
Lease Contract Revenue
Revenue [Policy Text Block]
Income Taxes
Income Tax, Policy [Policy Text Block]
Taxable REIT Subsidiary Cost Allocation
Taxable REIT Subsidiary Cost Allocation [Policy Text Block]
Taxable REIT Subsidiary Cost Allocation [Policy Text Block]
Financial Instruments
Fair Value of Financial Instruments, Policy [Policy Text Block]
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Lease Commitments
Lessee, Leases [Policy Text Block]
Noncontrolling interests
Noncontrolling Interests Policy [Policy Text Block]
Noncontrolling interests policy.
Recent Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Reclassifications
Reclassification, Policy [Policy Text Block]
CG&A Schedule [Abstract]
CG&A Schedule [Abstract]
Professional fees
Professional Fees
Compensation and benefits
Salary and Wage, Excluding Cost of Good and Service Sold
Corporate administration
Corporate Administration Expense
Corporate Administration Expense
Marketing and Advertising Expense
Marketing and Advertising Expense
Taxes and licenses
Taxes and Licenses
Other
Other General and Administrative Expense
Total
Other Selling, General and Administrative Expense
Real Estate [Table]
Real Estate [Table]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Domain]
Property, Plant and Equipment, Type [Domain]
Buildings and improvements
Building and Building Improvements [Member]
Real Estate [Line Items]
Real Estate [Line Items]
Investment properties at cost
Real Estate Investment Property, at Cost
Less accumulated depreciation
Real Estate Investment Property, Accumulated Depreciation
Investment properties, net
Lessor, Lease, Description [Table]
Lessor, Lease, Description [Table]
Amscot
Amscot Building [Member]
Amscot building.
Beaver Ruin Village
Beaver Ruin Village [Member]
Beaver Ruin Village [Member]
Beaver Ruin Village II
Beaver Ruin Village II [Member]
Beaver Ruin Village II [Member]
Leased office space Charleston, SC
WHLR Charleston Office [Member]
WHLR Charleston Office [Member]
Moncks Corner
Moncks Corner [Member]
Moncks Corner [Member]
Devine Street (1)
Devine Street [Member]
Devine Street [Member]
Lessor, Lease, Description [Line Items]
Lessor, Lease, Description [Line Items]
Total ground leases
Operating Lease, Cost
Expiration Year
Long Term Ground Leases Expiration Period
Long term ground leases expiration period.
Ground leases variable percentage rent
Variable Lease, Cost
Equity [Abstract]
Schedule of changes in carrying value of Series D Preferred
Temporary Equity [Table Text Block]
Schedule of potentially dilutive shares
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Schedule of summary of preferred stock dividends
Dividends Declared [Table Text Block]
Schedule of shares issued under 2016 Long-Term Incentive Plan
Share-based Payment Arrangement, Cost by Plan [Table Text Block]
Held-for-sale, Not Discontinued Operations
Disposal Group, Held-for-sale, Not Discontinued Operations [Member]
Assets
Disposal Group, Including Discontinued Operation, Assets [Abstract]
Investment properties, net
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment
Rents and other tenant receivables, net
Disposal Group, Including Discontinued Operation, Other Assets, Current
Deferred costs and other assets, net
Disposal Group, Including Discontinued Operation, Other Assets
Assets held for sale
Liabilities
Disposal Group, Including Discontinued Operation, Liabilities [Abstract]
Loans payable
Accounts payable
Disposal Group, Including Discontinued Operation, Accounts Payable
Total liabilities associated with assets held for sale
Disposal Group, Including Discontinued Operation, Liabilities
Schedule of Stock by Class [Table]
Schedule of Stock by Class [Table]
2016 Long-Term Incentive Plan
2016 Share Incentive Plan [Domain]
2016 Share Incentive Plan [Domain]
Class of Stock [Line Items]
Class of Stock [Line Items]
Shares Issued (in shares)
Market Value
Shares Issued, Value, Share-based Payment Arrangement, before Forfeiture
Equity [Table]
Equity [Table]
Equity.
Sale of Stock [Axis]
Sale of Stock [Axis]
Sale of Stock [Domain]
Sale of Stock [Domain]
Equity Distribution Agreement
Private Placement [Member]
Series B Convertible Preferred Stock
Series B Convertible Preferred Stock [Member]
Series B Convertible Preferred Stock [Member]
Redeemable Preferred Stock
Redeemable Preferred Stock [Member]
Series D Preferred Stock
Series D Cumulative Convertible Preferred Stock [Member]
Series D Cumulative Convertible Preferred Stock [Member]
2015 Long-Term Incentive Plan
2015 Share Incentive Plan [Member]
2015 Share Incentive Plan [Member]
Equity [Line Items]
Equity [Line Items]
Equity.
Preferred stock, liquidation price per share (in dollars per share)
Preferred Stock, Liquidation Preference Per Share
Preferred stock, dividend rate (as a percent)
Preferred Stock, Dividend Rate, Percentage
Conversion price percentage
Conversion Price Percentage
Conversion Price Percentage
Preferred stock shares issued (in shares)
Convertible preferred stock, terms of conversion
Convertible Preferred Stock, Terms of Conversion
Preferred stock adjusted conversion (in usd per share)
Preferred Stock Adjusted Conversion Price Per Share
Preferred stock adjusted conversion price per share.
Preferred stock, redemption price (in usd per share)
Preferred Stock, Redemption Price Per Share
Preferred stock, initial liquidation preference (in usd per share)
Preferred Stock, Initial Liquidation Preference Per Share
Preferred Stock, Initial Liquidation Preference Per Share
Preferred stock, dividend over initial rate (as a percent)
Preferred Stock, Dividend Over Initial Rate, Percentage
Preferred Stock, Dividend Over Initial Rate, Percentage
Convertible preferred stock conversion price (in usd per share)
Convertible Preferred Stock Conversion Price
Convertible preferred stock conversion price.
Number of business days to increase dividend rate after failure to pay any dividend
Preferred Stock, Number of Business Days To Increase Dividend Rate After Payment Default
Preferred Stock, Number of Business Days To Increase Dividend Rate After Payment Default
Preferred stock, liquidation preference per share per annum (in usd per share)
Preferred Stock, Liquidation Preference Per Share Per Annum
Preferred Stock, Liquidation Preference Per Share Per Annum
Number of quarters Series D Preferred in arrears before Board of Directors increase
Preferred Stock, Minimum Consecutive Quarterly Periods for Dividends in Arrears
Preferred Stock, Minimum Consecutive Quarterly Periods for Dividends in Arrears
Increase in number of directors after triggering event
Preferred Stock, Increase in Number or Holders of Shares
Preferred Stock, Increase in Number or Holders of Shares
Percentage of Series D Preferred required to request election of new directors
Preferred Stock, Percentage of Holders of Shares Outstanding
Preferred Stock, Percentage of Holders of Shares Outstanding
Preferred stock, per share amounts of preferred dividends in arrears (in usd per share)
Preferred Stock, Per Share Amounts of Preferred Dividends in Arrears
Arrears
Preferred Stock, Amount of Preferred Dividends in Arrears
Maximum number of shares authorized under Share Incentive Plan (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized
Shares available for issuance under Share Incentive Plan (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Shares issued in period (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period
Property, Plant and Equipment [Table]
Property, Plant and Equipment [Table]
New Lease
New Lease [Member]
New Lease [Member]
Renewed Lease
Renewed Lease [Member]
Renewed Lease [Member]
Balance Sheet Location [Axis]
Balance Sheet Location [Axis]
Balance Sheet Location [Domain]
Balance Sheet Location [Domain]
Rent and other tenant receivables
Rent and other tenant receivables [Member]
Rent and other tenant receivables [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life
Property, Plant and Equipment, Useful Life
Maturity of highly liquid investments
Maturity Of Highly Liquid Investments
Maturity of highly liquid investments.
Insurance coverage amount
Insurance Coverage Amount
Insurance coverage amount.
Past due rent charge term
Past Due Rent Term
Past due rent term.
Allowance for uncollectible accounts
Accounts Receivable, Allowance for Credit Loss
Credit losses on operating lease receivables
Provision for Loan, Lease, and Other Losses
Tenant recoveries realized from previous charge-offs
Allowance for Loan and Lease Loss, Recovery of Bad Debts
Number of underlying asset classes
Lessor, Operating Lease, Number Of Underlying Asset Classes
Lessor, Operating Lease, Number Of Underlying Asset Classes
Recoveries related to tenant receivables
Deferred Rent Receivables, Net
Property management fee, percent fee
Property Management Fee, Percent Fee
Minimum percentage of taxable income to be distributed to stockholders (as percent)
Minimum Percentage Of Distribution Of Taxable Income To Stockholders
Minimum percentage of distribution of taxable income to stockholders.
Provision for federal income taxes
Current Federal Tax Expense (Benefit)
Term of disqualification to be taxed as a REIT due to loss of REIT status
Term Of Disqualification To Be Taxed As Reit Due To Losses Of Reit Status
Term of disqualification to be taxed as a REIT due to losses of REIT status.
Asset management fee, percent fee
Asset Management Fee, Percent Fee
Asset Management Fee, Percent Fee
Commission fee, percent fee
Commission Fee, Percent Fee
Commission Fee, Percent Fee
Legal settlement costs
Legal Fees
Other expenses accrued and unpaid
Other Accrued Liabilities
ROU assets
Number of undeveloped land parcels
UndevelopedLandParcels
The number of undeveloped land parcels held by the Trust.
Related Party Transactions
Related Party Transactions Disclosure [Text Block]
KeyBank Line of Credit
KeyBank Maturing December 2019 [Member]
KeyBank Maturing December 2019
Rivergate
Rivergate [Member]
Rivergate [Member]
Columbia Fire Station
Columbia Fire Station [Member]
Columbia Fire Station [Member]
Shoppes at TJ Maxx
Shoppes At Tj Maxx [Member]
Shoppes at TJ Maxx.
Lumber River
Lumber river [Member]
Lumber river [Member]
JANAF Bravo
JANAF Bravo [Member]
JANAF Bravo [Member]
Walnut Hill Plaza
Walnut Hill Plaza [Member]
Walnut hill plaza.
Twin City Commons
Twin City Commons [Member]
Twin city commons.
New Market
New Market [Member]
New Market [Member]
Shoppes at Eagle Harbor
Benefit Street [Member]
Benefit Street [Member]
New Market
Deutsche Bank [Member]
Deutsche Bank [Member]
Tampa Festival
Tampa Festival [Member]
Tampa festival.
JANAF
Forrest Gallery Shopping Center [Member]
Forrest gallery shopping center.
Riversedge North
Riversedge North [Member]
Riversedge north.
Forrest Gallery
South Carolina Food Lions Note [Member]
South carolina food lions note.
Cypress Shopping Center
Cypress Shopping Center [Member]
Cypress Shopping Center [Member]
Port Crossing
Port Crossing Shopping Center [Member]
Port Crossing Shopping Center [Member]
Freeway Junction
Freeway Junction [Member]
Freeway Junction [Member]
Harrodsburg Marketplace
Harrodsburg Marketplace [Member]
Harrodsburg Marketplace [Member]
Bryan Station
Bryan Station [Member]
Bryan Station [Member]
Crockett Square
Crockett Square [Member]
Crockett Square [Member]
Pierpont Centre
Pierpont Centre [Member]
Pierpont Centre [Member]
Alex City Marketplace
Alex City Marketplace [Member]
Alex City Marketplace [Member]
Butler Square
Butler Square [Member]
Butler Square [Member]
Brook Run Shopping Center
Brook Run Shopping Center [Member]
Brook Run Shopping Center [Member]
Beaver Ruin Village I and II
Beaver Village I and II [Member]
Beaver Village I and II [Member]
Sunshine Shopping Plaza
Sunshine Plaza [Member]
Sunshine Plaza [Member]
Barnett Portfolio
Barnett Portfolio [Member]
Barnett Portfolio [Member]
Fort Howard Shopping Center
Ft. Howard Square [Member]
Ft. Howard Square [Member]
Conyers Crossing
Conyers Crossing [Member]
Conyers Crossing [Member]
Grove Park Shopping Center
Grove Park Shopping Center [Member]
Grove Park Shopping Center [Member]
Parkway Plaza
Parkway Plaza Shopping Center [Member]
Parkway Plaza Shopping Center
Winslow Plaza
Winslow Plaza Shopping Center [Member]
Winslow plaza shopping center.
JANAF BJ's
JANAF BJ's [Member]
JANAF BJ's [Member]
Chesapeake Square
Chesapeake Square [Member]
Chesapeake Square [Member]
Berkley/Sangaree/Tri-County
Sagaree/Tri-County Associates/Berkley [Member]
Sagaree/Tri-County Associates/Berkley
Riverbridge
Riverbridge [Member]
Riverbridge [Member]
Franklin
Franklin [Member]
Franklin [Member]
Litchfield Market Village
Litchfield Market Village [Member]
Litchfield Market Village
Debt instrument, payment terms
Debt Instrument, Payment Terms
Total Principal Balance
Secured debt, gross of unamortized debt issuance cost
Secured debt, gross of unamortized debt issuance cost
Unamortized debt issuance cost
Debt Issuance Costs, Net
Total Loans Payable, including Assets Held for Sale
Long-term Debt
Less loans payable on assets held for sale, net loan amortization costs
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent, Net of Deferred Finance Costs
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent, Net of Deferred Finance Costs
Schedule of details of deferred costs, net of amortization and other assets
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
Schedule of future amortization of lease origination costs, financing costs and in place leases
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Statement of Cash Flows [Abstract]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net (Loss) Income
Adjustments to reconcile consolidated net loss to net cash provided by operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation
Depreciation
Amortization
Amortization
Loan cost amortization
Other Noncash Income (Expense)
Above (below) market lease amortization, net
Amortization of above and below Market Leases
Straight-line expense
Straight Line Rent Adjustments
Share-based compensation
Share-based Payment Arrangement, Noncash Expense
Loss (gain) on disposal of properties
Gain (Loss) on Sale of Properties
Impairment of assets held for sale
Disposal Group, Including Discontinued Operation, Impairment of Real Estate
Disposal Group, Including Discontinued Operation, Impairment of Real Estate
Net changes in assets and liabilities:
Increase (Decrease) in Operating Capital [Abstract]
Rent and other tenant receivables, net
Increase (Decrease) in Leasing Receivables
Unbilled rent
Increase (Decrease) in Other Receivables
Deferred costs and other assets, net
Increase (Decrease) in Other Operating Assets
Accounts payable, accrued expenses and other liabilities
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Net operating cash flows used in discontinued operations
Cash Provided by (Used in) Operating Activities, Discontinued Operations
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]
Capital expenditures
Payments to Acquire Property, Plant, and Equipment
Cash received from disposal of properties
Proceeds from Sale of Other Real Estate
Cash received from disposal of properties-discontinued operations
Proceeds from Sale of Property Held-for-sale
Net cash 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]
Payments for deferred financing costs
Payments of Financing Costs
Loan proceeds
Proceeds from Lines of Credit
Loan principal payments
Repayments of Secured Debt
Net cash used in financing activities
Net Cash Provided by (Used in) Financing Activities
INCREASE 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 Disclosures:
Supplemental Cash Flow Elements [Abstract]
Non-Cash Transactions:
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Accretion of preferred stock discounts
Other Cash Transactions:
Supplemental Cash Flow Information [Abstract]
Cash paid for interest
Interest Paid, Excluding Capitalized Interest, Operating Activities
Cash, cash equivalents, and restricted cash
Lease Commitments
Lessee, Operating Leases [Text Block]
For the remaining nine months ended December 31, 2020
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year
December 31, 2021
Lessee, Operating Lease, Liability, Payments, Due Year Two
December 31, 2022
Lessee, Operating Lease, Liability, Payments, Due Year Three
December 31, 2023
Lessee, Operating Lease, Liability, Payments, Due Year Four
December 31, 2024
Lessee, Operating Lease, Liability, Payments, Due Year Five
December 31, 2025
Lessee, Operating Lease, Liability, Payments, Due Year Six
Lessee, Operating Lease, Liability, Payments, Due Year Six
Thereafter
Lessee, Operating Lease, Liability, Payments, Due After Year Six
Lessee, Operating Lease, Liability, Payments, Due After Year Six
Total minimum lease payments
Lessee, Operating Lease, Liability, Payments, Due
Discount
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Operating lease options to extend
Lessor, Operating Lease, Option to Extend, Amount
Lessor, Operating Lease, Option to Extend, Amount
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Number of real estate properties
Number of Real Estate Properties
Number of office buildings
Number Of Office Buildings
Number of office buildings.
Subsequent Event [Table]
Subsequent Event [Table]
Unusual or Infrequent Item, or Both [Axis]
Unusual or Infrequent Item, or Both [Axis]
Unusual or Infrequent Item, or Both [Domain]
Unusual or Infrequent Item, or Both [Domain]
COVID-19
COVID-19 [Member]
COVID-19 [Member]
Subsequent Event [Line Items]
Subsequent Event [Line Items]
Unsecured debt
Unsecured Debt
Number of deferred loans
Number of deferred loans
Number of deferred loans
Forbearance of principal and interest payments, value
Forbearance of principal and interest payments, value
Forbearance of principal and interest payments, value
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]
Common units
Operating Partnership Common Units [Member]
Operating partnership common units.
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Outstanding units (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Potential dilutive shares (in shares)
Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares
Deferred Costs
Other Assets Disclosure [Text Block]
Percentage Of Ownership Interests In Operating Partnership
Percentage Of Ownership Interests In Operating Partnership
Percentage of ownership interests in operating partnership.
Related Party Transaction, Expenses from Transactions with Related Party
Related Party Transaction, Expenses from Transactions with Related Party
Dividends Payable [Table]
Dividends Payable [Table]
Series B Preferred
Dividends Payable [Line Items]
Dividends Payable [Line Items]
Per Share (in usd per share)
Preferred Stock, Dividends Per Share, Declared
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Depreciation expense
Impairment of assets held for sale
Asset Impairment Charges
Write-off of demolished property
Income Statement [Abstract]
REVENUE:
Revenues [Abstract]
Rental revenues
Operating Lease, Lease Income
Other revenues
Revenue from Contract with Customer, Excluding Assessed Tax
Total Revenue
Revenues
OPERATING EXPENSES:
Operating Expenses [Abstract]
Property operations
Property Operating Costs
The aggregate costs of operating a property, including expenses associated with the grounds, landscaping, insurance, management and utilities.
Non-REIT management and leasing services
Cost of Other Property Operating Expense
Depreciation and amortization
Depreciation, Depletion and Amortization, Nonproduction
Corporate general & administrative
General and Administrative Expense
Total Operating Expenses
Costs and Expenses
(Loss) gain on disposal of properties
Operating Income
Operating Income (Loss)
Interest income
Interest Income, Operating
Interest expense
Interest Expense
Other expense
Other Nonoperating Expense
Net (Loss) Income Before Income Taxes
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
Income tax expense
Income Tax Expense (Benefit)
Less: Net (loss) income income attributable to noncontrolling interests
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest
Net (Loss) Income Attributable to Wheeler REIT
Net Income (Loss) Attributable to Parent
Preferred Stock dividends - undeclared
Temporary Equity, Dividends, Adjustment
Net Loss Attributable to Wheeler REIT Common Shareholders
Net Income (Loss) Available to Common Stockholders, Basic
Basic and Diluted (in dollars per share)
Earnings Per Share, Basic and Diluted
Weighted-average number of shares:
Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract]
Basic and Diluted (in shares)
Weighted Average Number of Shares Outstanding, Basic and Diluted
For the remaining nine months ended December 31, 2020
Lessor, Operating Lease, Payments to be Received, Remainder of Fiscal Year
December 31, 2021
Lessor, Operating Lease, Payments to be Received, Two Years
December 31, 2022
Lessor, Operating Lease, Payments to be Received, Three Years
December 31, 2023
Lessor, Operating Lease, Payments to be Received, Four Years
December 31, 2024
Lessor, Operating Lease, Payments to be Received, Five Years
December 31, 2025
Lessor, Operating Lease, Payments to be Received, Six Years
Lessor, Operating Lease, Payments to be Received, Six Years
Thereafter
Lessor, Operating Lease, Payments to be Received, Thereafter
Total minimum rents
Lessor, Operating Lease, Payments to be Received
Schedule of future minimum rentals to be received under noncancelable tenant operating leases
Lessor, Operating Lease, Payments to be Received, Maturity [Table Text Block]
Tenant Relationships, net
Tenant Relationships [Member]
Tenant relationships.
Lease Origination Costs, net
Lease Origination Costs [Member]
Lease origination costs.
Legal & Marketing Costs, net
For the remaining nine months ending December 31, 2020
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year
December 31, 2021
Finite-Lived Intangible Assets, Amortization Expense, Year Two
December 31, 2022
Finite-Lived Intangible Assets, Amortization Expense, Year Three
December 31, 2023
Finite-Lived Intangible Assets, Amortization Expense, Year Four
December 31, 2024
Finite-Lived Intangible Assets, Amortization Expense, Year Five
December 31, 2025
Finite-Lived Intangible Assets, Amortization Expense, Year Six
Finite-Lived Intangible Assets, Amortization Expense, Year Six
Thereafter
Finite-Lived Intangible Assets, Amortization Expense Year Six Thereafter
Total
Finite-Lived Intangible Assets, Net
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Table]
Product and Service [Axis]
Product and Service [Axis]
Product and Service [Domain]
Product and Service [Domain]
Tenant reimbursements - variable lease revenue
Tenant Reimbursements [Member]
Tenant Reimbursements
Percentage rent - variable lease revenue
Percentage Rent [Member]
Percentage Rent
Lease termination fees
Lease Termination Fees [Member]
Lease Termination Fees
Other
Service, Other [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Operating Lease, Lease Income, Lease Payments
Operating Lease, Lease Income, Lease Payments
Variable lease revenue
Variable Lease, Income
Non-lease revenues
Total
Revenues, Gross
Revenues, Gross
Credit losses on operating lease receivables
Equity and Mezzanine Equity
Stockholders' Equity Note Disclosure [Text Block]
Temporary Equity, by Class of Stock [Table]
Temporary Equity, by Class of Stock [Table]
Temporary Equity [Line Items]
Temporary Equity [Line Items]
Increase (Decrease) in Temporary Equity [Roll Forward]
Increase (Decrease) in Temporary Equity [Roll Forward]
Series D Preferred, Beginning Balance
Accretion of Preferred Stock discount
Temporary Equity, Accretion to Redemption Value
Undeclared dividends
Temporary Equity, Accretion of Dividends
Series D Preferred, Ending Balance