Summary of Significant Accounting Policies (Net Income (Loss) for Purposes of Determining Basic and Diluted EPS) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Accounting Policies [Abstract]
Net income attributed to Vector Group Ltd.	$ 14,953	$ 7,211
Income attributable to 7.5% Variable Interest Senior Convertible Notes	(1,246)	0
Income attributed to participating securities	(2,003)	(1,772)
Income attributed to participating securities	(2,003)	(1,772)
Net income applicable to common shares attributed to Vector Group Ltd.	12,950	5,439
Net income applicable to common shares attributed to Vector Group Ltd.	$ 11,704	$ 5,439

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

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