| Cover | May 11, 2022 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | May 11, 2022 |
| Entity Registrant Name | WHEELER REAL ESTATE INVESTMENT TRUST, INC. |
| Entity Incorporation, State or Country Code | MD |
| Entity File Number | 001-35713 |
| Entity Tax Identification Number | 45-2681082 |
| 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 |
| City Area Code | 757 |
| Local Phone Number | 627-9088 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001527541 |
| Amendment Flag | false |
| Common Stock | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common Stock, $0.01 par value per share |
| Trading Symbol | WHLR |
| Security Exchange Name | NASDAQ |
| Series B Preferred Stock | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Series B Convertible Preferred Stock |
| Trading Symbol | WHLRP |
| Security Exchange Name | NASDAQ |
| Series D Preferred Stock | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Series D Cumulative Convertible Preferred Stock |
| Trading Symbol | WHLRD |
| Security Exchange Name | NASDAQ |
| Convertible Subordinated Debt | |
| Document Information [Line Items] | |
| Title of 12(b) Security | 7.00% Senior Subordinated Convertible Notes due 2031 |
| Trading Symbol | WHLRL |
| Security Exchange Name | NASDAQ |
