New Valley LLC - Investment in Real Estate Ventures (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Schedule of Investments [Line Items]
Investments in real estate ventures	$ 121,417		$ 121,417		$ 121,117
Contributions to real estate ventures			5,281	$ 10,456
Equity in earnings (losses) from real estate ventures	2,954	$ (460)	1,061	(2,337)
New Valley
Schedule of Investments [Line Items]
Investments in real estate ventures	121,417		121,417		121,117
Contributions to real estate ventures			5,281	10,456
Distributions from real estate ventures			8,062	6,367
Equity in earnings (losses) from real estate ventures	2,954	(460)	1,061	(2,337)
Total maximum exposure to loss	121,417		121,417
New Valley | Condominium and Mixed Use Development
Schedule of Investments [Line Items]
Investments in real estate ventures	96,816		96,816		93,350
Contributions to real estate ventures			5,166	2,180
Distributions from real estate ventures			7,883	1,032
Equity in earnings (losses) from real estate ventures	3,516	(1,434)	4,163	(3,132)
Total maximum exposure to loss	96,816		96,816
New Valley | Apartment Buildings
Schedule of Investments [Line Items]
Investments in real estate ventures	8,417		8,417		9,910
Contributions to real estate ventures			115	0
Distributions from real estate ventures			0	400
Equity in earnings (losses) from real estate ventures	(410)	(615)	(1,609)	(924)
Total maximum exposure to loss	8,417		8,417
New Valley | Hotels
Schedule of Investments [Line Items]
Investments in real estate ventures	415		415		2,510
Contributions to real estate ventures			0	206
Equity in earnings (losses) from real estate ventures	(171)	(290)	(2,094)	(1,047)
Total maximum exposure to loss	415		415
New Valley | Commercial
Schedule of Investments [Line Items]
Investments in real estate ventures	15,769		15,769		$ 15,347
Contributions to real estate ventures			0	8,070
Distributions from real estate ventures			179	476
Equity in earnings (losses) from real estate ventures	19	144	601	516
Total maximum exposure to loss	15,769		15,769
New Valley | Other
Schedule of Investments [Line Items]
Distributions from real estate ventures			0	4,459
Equity in earnings (losses) from real estate ventures	$ 0	$ 1,735	$ 0	$ 2,250
New Valley | Minimum | Investments In Real Estate Ventures | Condominium and Mixed Use Development
Schedule of Investments [Line Items]
Range of ownership	4.10%		4.10%
New Valley | Minimum | Investments In Real Estate Ventures | Apartment Buildings
Schedule of Investments [Line Items]
Range of ownership	15.00%		15.00%
New Valley | Minimum | Investments In Real Estate Ventures | Hotels
Schedule of Investments [Line Items]
Range of ownership	0.40%		0.40%
New Valley | Minimum | Investments In Real Estate Ventures | Commercial
Schedule of Investments [Line Items]
Range of ownership	1.60%		1.60%
New Valley | Maximum | Investments In Real Estate Ventures | Condominium and Mixed Use Development
Schedule of Investments [Line Items]
Range of ownership	77.80%		77.80%
New Valley | Maximum | Investments In Real Estate Ventures | Apartment Buildings
Schedule of Investments [Line Items]
Range of ownership	50.00%		50.00%
New Valley | Maximum | Investments In Real Estate Ventures | Hotels
Schedule of Investments [Line Items]
Range of ownership	49.00%		49.00%
New Valley | Maximum | Investments In Real Estate Ventures | Commercial
Schedule of Investments [Line Items]
Range of ownership	49.00%		49.00%