Commitments And Contingencies (Narrative) (Details) $ in Thousands, zł in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2020 PLN (zł)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 PLN (zł)	Dec. 31, 2019 USD ($)
Commitments and Contingencies [Line items]
Contingent liability	$ 1,112			$ 1,112				$ 334
General and administrative	12,451		$ 20,963	41,986		$ 37,015
Casinos Poland [Member]
Commitments and Contingencies [Line items]
Income tax audit costs				4,200	zł 14.3
Casinos Poland [Member] | Lot Polish Airlines Invesment [Member]
Commitments and Contingencies [Line items]
General and administrative		$ 700			zł 3.0
Casinos Poland [Member] | Polish Airports Company [Member] | Lot Polish Airlines Invesment [Member]
Commitments and Contingencies [Line items]
Ownership interest		33.30%
Review of All Tax Open Periods [Member]
Commitments and Contingencies [Line items]
Contingent liability	$ 1,100			$ 1,100			zł 4.4