Contingencies (Cautionary Statement About Engle Progeny Cases) (Details) $ in Thousands		1 Months Ended
	Nov. 21, 1996 USD ($)	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)	Oct. 31, 2013 USD ($)	Sep. 30, 2019 case
Loss Contingencies [Line Items]
Amount of litigation settlement awarded to other party | $	$ 145,000,000
Liggett
Loss Contingencies [Line Items]
Amount of litigation settlement awarded to other party | $	$ 790,000
Liggett | Engle Progeny Cases
Loss Contingencies [Line Items]
Amount of litigation settlement awarded to other party | $		$ 4,100	$ 1,400	$ 17,650	$ 110,000
Cases with verdicts						25
Cases with verdicts in favor of plaintiffs						16
Cases with verdicts in favor of defendants						9
Cases with verdicts in favor of plaintiffs and punitive damages awarded						5