Contingencies (Cautionary Statement About Engle Progeny Cases) (Details) - Engle Progeny Cases $ in Thousands		1 Months Ended
	Nov. 21, 1996 USD ($)	Dec. 31, 2016 USD ($)	Oct. 31, 2013 USD ($)	Sep. 30, 2020 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	$ 23,150	$ 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