New Valley LLC - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Jan. 31, 2023	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Schedule of Investments [Line Items]
Distributions from real estate ventures				$ 4,091	$ 2,986
Distributions from investments in real estate ventures				9,273	3,791
Impairment of long-term investments						$ 490
New Valley
Schedule of Investments [Line Items]
Distributions from real estate ventures				4,091	2,986
Distributions from investments in real estate ventures				9,273	3,791
Impairment of long-term investments		$ 0		1,202
Total maximum exposure to loss		122,172		122,172
Interest costs capitalized		966	$ 1,101	3,094	3,152
New Valley | 353 6th LLC | Joint Venture
Schedule of Investments [Line Items]
Payments to acquire real estate	$ 700
Equity-method ownership percentage	27.00%
Total maximum exposure to loss		$ 721		$ 721
New Valley | Escena
Schedule of Investments [Line Items]
Operating income			$ 0		$ 1,316