New Valley LLC - Investment in Real Estate Ventures (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($) venture	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) venture	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Schedule of Investments [Line Items]
Investments in real estate ventures	$ 108,864,000		$ 108,864,000		$ 105,062,000
Contributions to real estate ventures			10,456,000	$ 9,902,000
Return of capital			3,641,000	11,163,000
Equity in (losses) earnings from real estate ventures	(460,000)	$ 16,610,000	(2,337,000)	18,199,000
Identifiable assets	994,604,000		994,604,000		871,087,000
Recourse liabilities	$ 1,825,516,000		$ 1,825,516,000		1,712,640,000
Minimum
Schedule of Investments [Line Items]
Range of ownership	6.13%		6.13%
Maximum
Schedule of Investments [Line Items]
Range of ownership	37.70%		37.70%
VIE | New Valley | New Valley LLC
Schedule of Investments [Line Items]
Investments in real estate ventures	$ 108,864,000		$ 108,864,000		105,062,000
Contributions to real estate ventures			10,456,000	9,902,000
Distributions from real estate ventures			6,367,000	34,718,000
Distributions of earnings			2,726,000	23,555,000
Return of capital			3,641,000	11,163,000
Equity in (losses) earnings from real estate ventures	(460,000)	16,610,000	(2,337,000)	18,199,000
Total maximum exposure to loss	$ 108,864,000		$ 108,864,000
Number of real estate ventures | venture	1		1
Identifiable assets	$ 0		$ 0		0
Interest costs capitalized	1,028,000	592,000	2,051,000	1,022,000
VIE | New Valley | New Valley LLC | Recourse
Schedule of Investments [Line Items]
Recourse liabilities	0		0		0
VIE | New Valley | New Valley LLC | Condominium and Mixed Use Development:
Schedule of Investments [Line Items]
Investments in real estate ventures	80,206,000		80,206,000		80,139,000
Contributions to real estate ventures			2,180,000	7,057,000
Distributions from real estate ventures			1,032,000	16,932,000
Equity in (losses) earnings from real estate ventures	(1,434,000)	6,348,000	(3,132,000)	4,802,000
Total maximum exposure to loss	80,206,000		80,206,000
VIE | New Valley | New Valley LLC | Condominium and Mixed Use Development: | New York City SMSA
Schedule of Investments [Line Items]
Investments in real estate ventures	20,147,000		20,147,000		22,654,000
Contributions to real estate ventures			498,000	396,000
Distributions from real estate ventures			1,032,000	3,338,000
Equity in (losses) earnings from real estate ventures	(955,000)	(967,000)	(2,171,000)	(2,472,000)
Total maximum exposure to loss	$ 20,147,000		$ 20,147,000
VIE | New Valley | New Valley LLC | Condominium and Mixed Use Development: | New York City SMSA | Minimum
Schedule of Investments [Line Items]
Range of ownership	4.20%		4.20%
VIE | New Valley | New Valley LLC | Condominium and Mixed Use Development: | New York City SMSA | Maximum
Schedule of Investments [Line Items]
Range of ownership	37.00%		37.00%
VIE | New Valley | New Valley LLC | Condominium and Mixed Use Development: | All other U.S. areas
Schedule of Investments [Line Items]
Investments in real estate ventures	$ 60,059,000		$ 60,059,000		57,485,000
Contributions to real estate ventures			1,682,000	6,661,000
Distributions from real estate ventures			0	13,594,000
Equity in (losses) earnings from real estate ventures	(479,000)	7,315,000	(961,000)	7,274,000
Total maximum exposure to loss	$ 60,059,000		$ 60,059,000
VIE | New Valley | New Valley LLC | Condominium and Mixed Use Development: | All other U.S. areas | Minimum
Schedule of Investments [Line Items]
Range of ownership	12.50%		12.50%
VIE | New Valley | New Valley LLC | Condominium and Mixed Use Development: | All other U.S. areas | Maximum
Schedule of Investments [Line Items]
Range of ownership	89.10%		89.10%
VIE | New Valley | New Valley LLC | Apartment Buildings:
Schedule of Investments [Line Items]
Investments in real estate ventures	$ 10,576,000		$ 10,576,000		11,900,000
Distributions from real estate ventures			400,000	17,567,000
Equity in (losses) earnings from real estate ventures	(615,000)	12,959,000	(924,000)	17,567,000
Total maximum exposure to loss	$ 10,576,000		$ 10,576,000
VIE | New Valley | New Valley LLC | Apartment Buildings: | All other U.S. areas
Schedule of Investments [Line Items]
Range of ownership	50.00%		50.00%
Investments in real estate ventures	$ 10,576,000		$ 10,576,000		11,900,000
Distributions from real estate ventures			400,000	17,567,000
Equity in (losses) earnings from real estate ventures	(615,000)	12,959,000	(924,000)	17,567,000
Total maximum exposure to loss	10,576,000		10,576,000
VIE | New Valley | New Valley LLC | Hotels:
Schedule of Investments [Line Items]
Investments in real estate ventures	2,315,000		2,315,000		3,157,000
Contributions to real estate ventures			206,000	1,246,000
Equity in (losses) earnings from real estate ventures	(290,000)	(409,000)	(1,047,000)	(1,377,000)
Total maximum exposure to loss	2,315,000		2,315,000
VIE | New Valley | New Valley LLC | Hotels: | New York City SMSA
Schedule of Investments [Line Items]
Investments in real estate ventures	1,098,000		1,098,000		1,635,000
Contributions to real estate ventures			206,000	1,246,000
Equity in (losses) earnings from real estate ventures	(248,000)	(386,000)	(742,000)	(848,000)
Total maximum exposure to loss	$ 1,098,000		$ 1,098,000
VIE | New Valley | New Valley LLC | Hotels: | New York City SMSA | Minimum
Schedule of Investments [Line Items]
Range of ownership	0.40%		0.40%
VIE | New Valley | New Valley LLC | Hotels: | New York City SMSA | Maximum
Schedule of Investments [Line Items]
Range of ownership	12.30%		12.30%
VIE | New Valley | New Valley LLC | Hotels: | International
Schedule of Investments [Line Items]
Range of ownership	49.00%		49.00%
Investments in real estate ventures	$ 1,217,000		$ 1,217,000		1,522,000
Equity in (losses) earnings from real estate ventures	(42,000)	(23,000)	(305,000)	(529,000)
Total maximum exposure to loss	1,217,000		1,217,000
VIE | New Valley | New Valley LLC | Commercial:
Schedule of Investments [Line Items]
Investments in real estate ventures	15,400,000		15,400,000		7,290,000
Contributions to real estate ventures			8,070,000	0
Distributions from real estate ventures			476,000	219,000
Equity in (losses) earnings from real estate ventures	144,000	(2,533,000)	516,000	(2,318,000)
Total maximum exposure to loss	$ 15,400,000		$ 15,400,000
VIE | New Valley | New Valley LLC | Commercial: | New York City SMSA
Schedule of Investments [Line Items]
Range of ownership	49.00%		49.00%
Investments in real estate ventures	$ 7,912,000		$ 7,912,000		0
Contributions to real estate ventures			8,070,000	0
Equity in (losses) earnings from real estate ventures	(158,000)	(2,713,000)	(158,000)	(2,591,000)
Total maximum exposure to loss	$ 7,912,000		$ 7,912,000
VIE | New Valley | New Valley LLC | Commercial: | All other U.S. areas
Schedule of Investments [Line Items]
Range of ownership	1.60%		1.60%
Investments in real estate ventures	$ 7,488,000		$ 7,488,000		7,290,000
Distributions from real estate ventures			476,000	219,000
Equity in (losses) earnings from real estate ventures	302,000	180,000	674,000	273,000
Total maximum exposure to loss	7,488,000		7,488,000
VIE | New Valley | New Valley LLC | Other:
Schedule of Investments [Line Items]
Investments in real estate ventures	367,000		367,000		$ 2,576,000
Contributions to real estate ventures			0	1,599,000
Distributions from real estate ventures			4,459,000	0
Equity in (losses) earnings from real estate ventures	1,735,000	$ 245,000	2,250,000	$ (475,000)
Total maximum exposure to loss	$ 367,000		$ 367,000
VIE | New Valley | New Valley LLC | Other: | Minimum
Schedule of Investments [Line Items]
Range of ownership	15.00%		15.00%
VIE | New Valley | New Valley LLC | Other: | Maximum
Schedule of Investments [Line Items]
Range of ownership	49.00%		49.00%
Variable Interest Entity, Not Primary Beneficiary | New Valley | Equity Method Investee | Nash Square Upstream JV LLC
Schedule of Investments [Line Items]
Range of ownership	75.00%		75.00%
Investments in real estate ventures	$ 410,000		$ 410,000
Total maximum exposure to loss	$ 410,000		$ 410,000
Variable Interest Entity, Not Primary Beneficiary | New Valley | Equity Method Investee | BH NV Aventura LLC
Schedule of Investments [Line Items]
Range of ownership	25.00%		25.00%
Investments in real estate ventures	$ 1,000,000		$ 1,000,000
Total maximum exposure to loss	$ 1,000,000		$ 1,000,000