v3.26.1
SEGMENT INFORMATION - Schedule of Financial Information for the Company's Operations Before Taxes (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Segment Reporting Information [Line Items]      
Total revenues $ 214,333,000 $ 253,403,000  
Operating expenses:      
Sales and marketing 17,737,000 19,739,000  
General and administrative 23,192,000 27,325,000  
Technology 5,238,000 5,535,000  
Depreciation and amortization 1,999,000 1,900,000  
Restructuring 47,000 0  
Operating loss (17,511,000) (5,349,000)  
Interest expense (3,000) (1,530,000)  
Interest income 890,000 1,361,000  
Equity in earnings from equity-method investments 388,000 2,000  
Change in fair value of the derivative embedded within convertible debt 0 (746,000)  
Investment and other losses (40,000) (22,000)  
Loss before provision for income taxes (16,276,000) (6,284,000)  
Income tax expense 0 0  
Net loss (16,276,000) (6,284,000)  
Net loss attributed to non-controlling interest 0    
Net loss attributed to Douglas Elliman Inc. (16,276,000) (5,985,000)  
Identifiable assets 435,214,000   $ 444,409,000
Capital expenditures 259,000   $ 3,353,000
Real estate agent commissions      
Operating expenses:      
Costs related to sales 167,391,000 186,525,000  
Operations and support      
Operating expenses:      
Costs related to sales 16,240,000 17,728,000  
One Reportable Segment      
Segment Reporting Information [Line Items]      
Total revenues 214,333,000 253,403,000  
Operating expenses:      
Sales and marketing 17,737,000 19,739,000  
General and administrative 23,192,000 27,325,000  
Technology 5,238,000 5,535,000  
Depreciation and amortization 1,999,000 1,900,000  
Restructuring 47,000 0  
Operating loss (17,511,000) (5,349,000)  
Interest expense (3,000) (1,530,000)  
Interest income 890,000 1,361,000  
Equity in earnings from equity-method investments 388,000 2,000  
Change in fair value of the derivative embedded within convertible debt 0 (746,000)  
Investment and other losses (40,000) (22,000)  
Loss before provision for income taxes (16,276,000) (6,284,000)  
Income tax expense 0 0  
Net loss (16,276,000) (6,284,000)  
Net loss attributed to non-controlling interest 0 299,000  
Net loss attributed to Douglas Elliman Inc. (16,276,000) (5,985,000)  
One Reportable Segment | Real estate agent commissions      
Operating expenses:      
Costs related to sales 167,391,000 186,525,000  
One Reportable Segment | Operations and support      
Operating expenses:      
Costs related to sales $ 16,240,000 $ 17,728,000