Discontinued Operations (Income (Loss) From Discontinued Operations) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Other income (expenses):
Income from discontinued operations	$ 0	$ 10,407
Distribution | Douglas Elliman
Revenues:
Revenues	0	272,776
Expenses:
Cost of sales	0	198,635
Operating, selling, administrative and general expenses	0	59,913
Operating income	0	14,228
Other income (expenses):
Interest expense	0	(30)
Other, net	0	48
Pretax income from discontinued operations	0	14,246
Income tax expense	0	3,839
Income from discontinued operations	$ 0	$ 10,407