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, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Accounting Policies [Abstract]
Net income attributed to Vector Group Ltd.	$ 17,818	$ 26,811	$ 25,029	$ 22,584
Income attributed to participating securities	(1,692)	(1,501)	(3,464)	(2,984)
Income attributed to participating securities	(1,692)	(1,501)	(3,464)	(2,984)
Net income applicable to common shares attributed to Vector Group Ltd.	16,126	25,310	21,565	19,600
Net income applicable to common shares attributed to Vector Group Ltd.	$ 16,126	$ 25,310	$ 21,565	$ 19,600

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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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Amount of earnings (loss) distributed and earnings (loss) allocated to participating securities for the basic earnings (loss) per share or per unit calculation under the two-class method.

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