v3.26.1
SEGMENT INFORMATION - Schedule of Financial Information for the Company's Operations Before Taxes (Details) - USD ($)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Segment Reporting [Line Items]          
Total Revenues $ 283,449,000 $ 271,366,000 $ 497,782,000 $ 524,769,000  
Operating expenses:          
Sales and marketing 19,731,000 20,069,000 37,468,000 39,808,000  
General and administrative 17,795,000 26,177,000 38,946,000 53,502,000  
Technology 5,591,000 5,766,000 10,829,000 11,301,000  
Depreciation and amortization 1,989,000 2,219,000 3,988,000 4,119,000  
Antitrust litigation settlement expense 0 0 2,041,000 0  
Restructuring 146,000 298,000 193,000 298,000  
Operating loss (3,425,000) (5,532,000) (20,936,000) (10,881,000)  
Interest expense (2,000) (1,545,000) (5,000) (3,075,000)  
Interest income 719,000 1,259,000 1,609,000 2,620,000  
Equity in (losses) earnings from equity-method investments (9,000) 199,000 379,000 201,000  
Change in fair value of the derivative embedded within convertible debt 0 (16,969,000) 0 (17,715,000) $ (28,482,000)
Investment and other losses (17,000) (37,000) (57,000) (59,000)  
Loss before provision for income taxes (2,734,000) (22,625,000) (19,010,000) (28,909,000)  
Income tax expense 0 0 0 0  
Net loss (2,734,000) (22,625,000) (19,010,000) (28,909,000)  
Net (income) loss attributed to non-controlling interest 0 (48,000) 0 251,000  
Net loss attributed to Douglas Elliman Inc. (2,734,000) (22,673,000) (19,010,000) (28,658,000)  
Identifiable assets 444,297,000   444,297,000   444,409,000
Capital expenditures     943,000   $ 3,353,000
Real estate agent commissions          
Operating expenses:          
Costs related to sales 224,259,000 204,594,000 391,650,000 391,119,000  
Operations and support          
Operating expenses:          
Costs related to sales 17,771,000 17,775,000 34,011,000 35,503,000  
One Reportable Segment          
Segment Reporting [Line Items]          
Total Revenues 283,449,000 271,366,000 497,782,000 524,769,000  
Operating expenses:          
Sales and marketing 19,731,000 20,069,000 37,468,000 39,808,000  
General and administrative 17,795,000 26,177,000 38,946,000 53,502,000  
Technology 5,591,000 5,766,000 10,829,000 11,301,000  
Depreciation and amortization 1,989,000 2,219,000 3,988,000 4,119,000  
Antitrust litigation settlement expense 0 0 2,041,000 0  
Restructuring 146,000 298,000 193,000 298,000  
Gain on disposal of business (408,000) 0 (408,000) 0  
Operating loss (3,425,000) (5,532,000) (20,936,000) (10,881,000)  
Interest expense (2,000) (1,545,000) (5,000) (3,075,000)  
Interest income 719,000 1,259,000 1,609,000 2,620,000  
Equity in (losses) earnings from equity-method investments (9,000) 199,000 379,000 201,000  
Change in fair value of the derivative embedded within convertible debt 0 (16,969,000) 0 (17,715,000)  
Investment and other losses (17,000) (37,000) (57,000) (59,000)  
Loss before provision for income taxes (2,734,000) (22,625,000) (19,010,000) (28,909,000)  
Income tax expense 0 0 0 0  
Net loss (2,734,000) (22,625,000) (19,010,000) (28,909,000)  
Net (income) loss attributed to non-controlling interest 0 (48,000) 0 251,000  
Net loss attributed to Douglas Elliman Inc. (2,734,000) (22,673,000) (19,010,000) (28,658,000)  
One Reportable Segment | Real estate agent commissions          
Operating expenses:          
Costs related to sales 224,259,000 204,594,000 391,650,000 391,119,000  
One Reportable Segment | Operations and support          
Operating expenses:          
Costs related to sales $ 17,771,000 $ 17,775,000 $ 34,011,000 $ 35,503,000