New Valley LLC (Investments in Real Estate, net Narrative) (Details) - New Valley $ in Thousands	1 Months Ended		12 Months Ended
	Apr. 30, 2022 USD ($)	Apr. 30, 2021 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Apr. 30, 2009 a room hole_golf_course lot	Mar. 31, 2008 a
Escena
Schedule of Investments [Line Items]
Area of real estate property | a							450
Number of real estate properties | lot						615
Number of holes in golf course | hole_golf_course						18
Area of land | a						7
Number of units in real estate property | room						450
Operating income			$ 0	$ 1,316	$ 63
Sale of project	$ 15,300
Manhattan, NY
Schedule of Investments [Line Items]
Sale of project		$ 6,750