Summary of Significant Accounting Policies (Net Income (Loss) for Purposes of Determining Basic and Diluted EPS) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Accounting Policies [Abstract]
Net income attributed to Vector Group Ltd.	$ 39,307	$ 17,818	$ 54,260	$ 25,029
Income attributable to 7.5% Variable Interest Senior Convertible Notes	0	0	(1,246)	0
Income attributed to participating securities	(2,027)	(1,692)	(4,029)	(3,464)
Income attributed to participating securities	(2,027)	(1,692)	(4,029)	(3,464)
Net income applicable to common shares attributed to Vector Group Ltd.	37,280	16,126	50,231	21,565
Net income applicable to common shares attributed to Vector Group Ltd.	$ 37,280	$ 16,126	$ 48,985	$ 21,565