NEW VALLEY LLC - Investment in Real Estate Ventures (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Schedule of Investments [Line Items]
Investments in real estate ventures	$ 116,849		$ 116,849		$ 131,497
Contributions to real estate ventures			5,220	$ 5,281
Equity in (losses) earnings from real estate ventures	(1,213)	$ 2,954	(11,934)	1,061
New Valley
Schedule of Investments [Line Items]
Investments in real estate ventures	116,849		116,849		131,497
Contributions to real estate ventures			5,220	5,281
Distributions from real estate ventures			10,358	8,062
Equity in (losses) earnings from real estate ventures	(1,213)	2,954	(11,934)	1,061
Total maximum exposure to loss	116,849		116,849
New Valley | Condominium and Mixed-Use Development
Schedule of Investments [Line Items]
Investments in real estate ventures	93,976		93,976		108,334
Contributions to real estate ventures			3,649	5,166
Distributions from real estate ventures			10,029	7,883
Equity in (losses) earnings from real estate ventures	(441)	3,516	(10,401)	4,163
Total maximum exposure to loss	93,976		93,976
New Valley | Apartment Buildings
Schedule of Investments [Line Items]
Investments in real estate ventures	6,285		6,285		7,791
Contributions to real estate ventures			249	115
Equity in (losses) earnings from real estate ventures	(541)	(410)	(1,756)	(1,609)
Total maximum exposure to loss	6,285		6,285
New Valley | Hotels
Schedule of Investments [Line Items]
Investments in real estate ventures	5		5		138
Contributions to real estate ventures			57	0
Equity in (losses) earnings from real estate ventures	(26)	(171)	(189)	(2,094)
Total maximum exposure to loss	5		5
New Valley | Commercial
Schedule of Investments [Line Items]
Investments in real estate ventures	16,583		16,583		$ 15,234
Contributions to real estate ventures			1,265	0
Distributions from real estate ventures			329	179
Equity in (losses) earnings from real estate ventures	(205)	$ 19	412	$ 601
Total maximum exposure to loss	$ 16,583		$ 16,583
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	1.50%		1.50%
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%