Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2020
Mar. 16, 2021
Jun. 30, 2020
Document And Entity Information [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2020    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Entity Registrant Name Wheeler Real Estate Investment Trust, Inc.    
Entity Central Index Key 0001527541    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
ICFR Auditor Attestation Flag false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Interactive Data Current Yes    
Entity Common Stock, Shares Outstanding   9,706,738  
Entity Public Float     $ 12,218,760
Entity File Number 001-35713    
Entity Incorporation, State or Country Code MD    
Entity Tax Identification Number 45-2681082    
City Area Code 757    
Document Annual Report true    
Document Transition Report false    
Entity Address, Address Line One 2529 Virginia Beach Blvd.    
Entity Address, City or Town Virginia Beach    
Entity Address, State or Province VA    
Entity Address, Postal Zip Code 23452    
Local Phone Number 627-9088