Commitments And Contingencies (Narrative) (Details) $ in Thousands, zł in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2020 PLN (zł)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 PLN (zł)	Dec. 31, 2019 USD ($)
Commitments and Contingencies [Line items]
Contingent liability	$ 1,156			$ 1,156				$ 334
General and administrative	31,374		$ 19,426	73,359		$ 56,438
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	$ 1,200			$ 1,200			zł 4.5