New Valley LLC (Investment in Real Estate Ventures Schedules) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Schedule of Investments [Line Items]
Investments in real estate ventures	$ 131,497	$ 121,117
Total contributions	17,433	25,569	$ 49,463
Total equity in earnings (losses) from real estate ventures	2,202	(5,946)	10,250
New Valley
Schedule of Investments [Line Items]
Investments in real estate ventures	131,497	121,117
Total contributions	17,433	25,569
Total distributions	13,434	8,375
Total equity in earnings (losses) from real estate ventures	2,202	(5,946)	10,250
Total maximum exposure to loss	131,497
New Valley | Condominium and Mixed-Use Development
Schedule of Investments [Line Items]
Investments in real estate ventures	108,334	93,350
Total contributions	17,285	17,221
Total distributions	7,797	2,348
Total equity in earnings (losses) from real estate ventures	$ 1,316	(6,469)	(4,148)
New Valley | Condominium and Mixed-Use Development | Minimum | Investments in real estate ventures
Schedule of Investments [Line Items]
Equity method ownership percentage	4.10%
New Valley | Condominium and Mixed-Use Development | Maximum | Investments in real estate ventures
Schedule of Investments [Line Items]
Equity method ownership percentage	77.80%
New Valley | Apartment Buildings
Schedule of Investments [Line Items]
Investments in real estate ventures	$ 7,791	9,471
Total contributions	148	0
Total distributions	0	550
Total equity in earnings (losses) from real estate ventures	$ (2,268)	(1,879)	18,566
New Valley | Apartment Buildings | Investments in real estate ventures
Schedule of Investments [Line Items]
Equity method ownership percentage	50.00%
New Valley | Apartment Buildings | Minimum | Investments in real estate ventures
Schedule of Investments [Line Items]
Equity method ownership percentage	1.50%
New Valley | Hotels
Schedule of Investments [Line Items]
Investments in real estate ventures	$ 138	2,510
Total contributions	0	206
Total distributions	5,164	0
Total equity in earnings (losses) from real estate ventures	$ 2,792	(853)	(1,927)
New Valley | Hotels | Minimum | Investments in real estate ventures
Schedule of Investments [Line Items]
Equity method ownership percentage	0.40%
New Valley | Hotels | Maximum | Investments in real estate ventures
Schedule of Investments [Line Items]
Equity method ownership percentage	49.00%
New Valley | Commercial
Schedule of Investments [Line Items]
Investments in real estate ventures	$ 15,234	15,347
Total contributions	0	8,070
Total distributions	473	1,018
Total equity in earnings (losses) from real estate ventures	$ 362	1,005	(1,811)
New Valley | Commercial | Minimum | Investments in real estate ventures
Schedule of Investments [Line Items]
Equity method ownership percentage	1.60%
New Valley | Commercial | Maximum | Investments in real estate ventures
Schedule of Investments [Line Items]
Equity method ownership percentage	49.00%
New Valley | Other
Schedule of Investments [Line Items]
Investments in real estate ventures	$ 0	439
Total contributions	0	72
Total distributions	0	4,459
Total equity in earnings (losses) from real estate ventures	$ 0	$ 2,250	$ (430)