| Document and Entity Information Document | Feb. 04, 2022 |
| Entity Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | May 31, 2022 |
| Entity Registrant Name | DOUGLAS ELLIMAN INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-41054 |
| Entity Tax Identification Number | 87-2176850 |
| Entity Address, Address Line One | 4400 Biscayne Boulevard |
| Entity Address, City or Town | Miami |
| Entity Address, State or Province | FL |
| Entity Address, Postal Zip Code | 33137 |
| City Area Code | 305 |
| Local Phone Number | 579-8000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common stock, par value $0.01 per share |
| Trading Symbol | DOUG |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001878897 |
| Amendment Flag | false |
