Goodwill and Other Intangible Assets (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 70,815,000	$ 70,791,000
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	19,260,000	19,135,000
Less: accumulated amortization on amortizable intangibles	(15,668,000)	(13,478,000)
Finite-lived intangible assets, net	3,592,000	5,657,000
Unfavorable leases	4,022,000	4,022,000
Less: Accumulated amortization on amortizable intangibles	2,204,000	1,591,000
Unfavorable leases, net	1,818,000	2,431,000
Amortization expense	1,462,000	5,080,000
Amortization of unfavorable lease	(613,000)	(783,000)
Amortization expense, 2017	932,000
Amortization expense, 2018	833,000
Amortization income, 2019	(166,000)
Amortization income, 2020	(22,000)
Amortization expense, 2021	82,000
Amortization income, thereafter	(7,000)
Total goodwill and other intangible assets, net	261,918,000	263,959,000
Intangible asset associated with benefit under the MSA
Indefinite-lived Intangible Assets [Line Items]
Indefinite life intangibles	107,511,000	107,511,000
Trademark - Douglas Elliman
Indefinite-lived Intangible Assets [Line Items]
Indefinite life intangibles	80,000,000	80,000,000
Impairment of intangibles	0
Favorable leases
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	13,444,000	13,444,000
Amortization expense	$ 2,075,000	3,730,000
Favorable leases | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Lives	1 year
Favorable leases | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Lives	10 years
Other intangibles
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	$ 5,816,000	5,691,000
Amortization expense		208,000
Other intangibles | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Lives	1 year
Other intangibles | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Lives	5 years
Unfavorable leases | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Lives	1 year
Unfavorable leases | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Lives	10 years
Backlog and listing inventory intangible assets
Finite-Lived Intangible Assets [Line Items]
Amortization expense		$ 1,925,000