Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Revenues									$ 1,220,700	$ 1,228,682	$ 1,119,603
Operating income (loss)	$ 68,556	$ 82,015	$ 93,893	$ 75,975	$ 74,011	$ 84,130	$ 71,803	$ 64,484	320,439	294,428	234,615
Equity in earnings (losses) from real estate ventures									10,250	(44,728)	(27,760)
Identifiable assets of continuing operations	871,087				889,427				871,087	889,427	1,016,482
Depreciation and amortization									7,816	9,092	9,213
Capital expenditures									9,400	12,937	4,496
Litigation settlement and judgment expense									211	337	990
Current investment securities at fair value	146,687				135,585				146,687	135,585
Long-term investments	53,073				52,291				53,073	52,291
Investment securities at fair value	178,776				169,566				178,776	169,566
Equity-method investments	20,984				18,310				20,984	18,310
Operating Segments | Tobacco
Segment Reporting Information [Line Items]
Revenues									1,202,497	1,204,501	1,114,840
Operating income (loss)									360,317	319,536	261,630
Equity in earnings (losses) from real estate ventures									0	0	0
Identifiable assets of continuing operations	302,051				357,518				302,051	357,518	336,566
Depreciation and amortization									6,525	7,877	7,824
Capital expenditures									5,827	4,491	4,173
Litigation settlement and judgment expense									211	337	990
Operating Segments | Tobacco | Health Care Cost Recovery Actions
Segment Reporting Information [Line Items]
Litigation settlement, amount awarded from other party									(2,722)
Litigation settlement and judgment expense										299
Operating Segments | Real Estate
Segment Reporting Information [Line Items]
Revenues									18,203	24,181	4,763
Operating income (loss)									4,066	(610)	550
Equity in earnings (losses) from real estate ventures									10,250	(44,728)	(27,760)
Identifiable assets of continuing operations	128,256				103,523				128,256	103,523	177,943
Depreciation and amortization									249	337	395
Capital expenditures									3	100	197
Investments in real estate ventures	105,062				85,400				105,062	85,400	131,556
Corporate and Other
Segment Reporting Information [Line Items]
Revenues									0	0	0
Operating income (loss)									(43,944)	(24,498)	(27,565)
Equity in earnings (losses) from real estate ventures									0	0	0
Identifiable assets of continuing operations	440,780				428,386				440,780	428,386	501,973
Depreciation and amortization									1,042	878	994
Capital expenditures									3,570	8,346	126
Gain on sale of assets									(910)	(2,283)
Cash	167,383				211,729				167,383	211,729	272,459
Current investment securities at fair value	146,687								146,687
Long-term investments	$ 53,073				52,291				53,073	52,291
Investment securities at fair value					$ 135,585					$ 135,585	129,641
Equity-method investments											$ 61,723
Corporate and Other | Spin-off of Douglas Elliman
Segment Reporting Information [Line Items]
Transaction charges									10,468
Accelerated stock compensation									$ 4,317