Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Revenues									$ 1,441,009	$ 1,220,700	$ 1,228,682
Operating income (loss)	$ 89,272	$ 83,901	$ 90,711	$ 75,126	$ 68,556	$ 82,015	$ 93,893	$ 75,975	339,010	320,439	294,428
Equity in (losses) earnings from real estate ventures									(5,946)	10,250	(44,728)
Identifiable assets of continuing operations	908,591				871,087				908,591	871,087	889,427
Depreciation and amortization									7,218	7,816	9,092
Capital expenditures									9,957	9,400	12,937
Litigation settlement and judgment expense									239	211	337
Current investment securities at fair value	116,436				146,687				116,436	146,687
Long-term investments	44,959				53,073				44,959	53,073
Investment securities at fair value	145,355				178,776				145,355	178,776
Equity-method investments	16,040				20,984				16,040	20,984
Operating Segments | Tobacco
Segment Reporting Information [Line Items]
Revenues									1,425,125	1,202,497	1,204,501
Operating income (loss)									347,044	360,317	319,536
Equity in (losses) earnings from real estate ventures									0	0
Identifiable assets of continuing operations	343,874				302,051				343,874	302,051	357,518
Depreciation and amortization									5,901	6,525	7,877
Capital expenditures									9,872	5,827	4,491
Litigation settlement and judgment expense									239	211	337
Operating Segments | Tobacco | MSA
Segment Reporting Information [Line Items]
Litigation settlement, amount awarded from other party									(2,123)
Litigation settlement and judgment expense										(2,722)	299
Operating Segments | Real Estate
Segment Reporting Information [Line Items]
Revenues									15,884	18,203	24,181
Operating income (loss)									8,016	4,066	(610)
Equity in (losses) earnings from real estate ventures									(5,946)	10,250	(44,728)
Identifiable assets of continuing operations	137,747				128,256				137,747	128,256	103,523
Depreciation and amortization									66	249	337
Capital expenditures									1	3	100
Investments in real estate ventures	121,117				105,062				121,117	105,062	85,400
Corporate and Other
Segment Reporting Information [Line Items]
Revenues									0	0	0
Operating income (loss)									(16,050)	(43,944)	(24,498)
Equity in (losses) earnings from real estate ventures									0	0
Identifiable assets of continuing operations	426,970				440,780				426,970	440,780	428,386
Depreciation and amortization									1,251	1,042	878
Capital expenditures									84	3,570	8,346
Gain (loss) on sale of assets										910	2,283
Cash	213,988				167,383				213,988	167,383	211,729
Current investment securities at fair value	116,436								116,436
Long-term investments	$ 44,959				53,073				$ 44,959	53,073
Investment securities at fair value					$ 146,687					146,687	135,585
Equity-method investments											$ 52,291
Corporate and Other | Spin-off of Douglas Elliman
Segment Reporting Information [Line Items]
Transaction charges										10,468
Accelerated stock compensation										$ 4,317