Discontinued Operations - Income (Loss) from Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Other income (expenses):
Net income from discontinued operations	$ 0	$ 18,857	$ 0	$ 57,588
Net loss from discontinued operations attributed to non-controlling interest	0	120	0	120
Net income attributed to Douglas Elliman Inc.	0	18,977	0	57,708
Distribution | Douglas Elliman
Revenues:
Real estate	0	354,161	0	1,018,912
Expenses:
Cost of sales	0	259,646	0	744,800
Operating, selling, administrative and general expenses	0	69,000	0	191,186
Operating income	0	25,515	0	82,926
Other income (expenses):
Interest expense	0	(61)	0	(134)
Equity in earnings from real estate ventures	0	(175)	0	(100)
Other, net	0	481	0	(2,506)
Pretax income from discontinued operations	0	25,760	0	80,186
Income tax expense	0	6,903	0	22,598
Net income from discontinued operations	0	18,857	0	57,588
Net loss from discontinued operations attributed to non-controlling interest	0	120	0	120
Net income attributed to Douglas Elliman Inc.	$ 0	$ 18,977	$ 0	$ 57,708