Current Expected Credit Losses (Rollforward) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2020 USD ($)
New Valley LLC
Financing Receivable, Allowance for Credit Loss [Roll Forward]
January 1, 2020	$ 3,100
Current Period Provision	9,008
Write-offs	0
Recoveries	0
September 30, 2020	12,108
Real estate broker agent receivables
Financing Receivable, Allowance for Credit Loss [Roll Forward]
January 1, 2020	6,132
Current Period Provision	1,724
Write-offs	141
Recoveries	0
September 30, 2020	$ 7,715