New Valley LLC (Investments in Real Estate, net) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Schedule of Investments [Line Items]
Real estate investment, net	$ 15,802		$ 15,631
New Valley LLC
Schedule of Investments [Line Items]
Real estate investment, net	15,802		15,631
New Valley LLC \| Escena
Schedule of Investments [Line Items]
Land and land improvements	8,911		8,911
Building and building improvements	1,926		1,926
Other	1,663		1,672
Investments in real estate, gross	12,500		12,509
Less accumulated depreciation	(2,830)		(2,774)
Real estate investment, net	9,670		9,735
Operating losses	370	$ 357
New Valley LLC \| Townhome A
Schedule of Investments [Line Items]
Real estate investment, net	6,132		$ 5,896
New Valley LLC \| Sagaponack
Schedule of Investments [Line Items]
Real estate investment, net	$ 6,132

Aggregate of the carrying amounts as of the balance sheet date of investments in building and building improvements.

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Amount before accumulated deprecation and depletion of real estate held for productive use and additions or improvements to real estate held for productive use, examples include, but are not limited to, walkways, driveways, fences, and parking lots. Excludes land held for sale.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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The net cost of operation of other real estate (including provisions for real estate losses, rental income, and gains and losses on sales of real estate).

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The cumulative amount of depreciation for real estate property held for investment purposes.

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Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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Amount of real estate owned for income production and capital accretion potential, not otherwise specified in the existing taxonomy. Such real estate excludes that which is occupied or used in the business, for entertainment purposes, or held in inventory for specific purposes.

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