Commitments, Contingencies And Other Matters (Narrative) (Details) $ in Thousands, zł in Millions	1 Months Ended		3 Months Ended		12 Months Ended			96 Months Ended
	May 31, 2018 PLN (zł)	May 31, 2018 USD ($)	Sep. 30, 2018 PLN (zł)	Sep. 30, 2018 USD ($)	Dec. 31, 2018 USD ($) item	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2018 PLN (zł)	Dec. 31, 2018 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2013
Commitments and Contingencies [Line items]
Contingent liability						$ 1,833				$ 829
Rental expenses					$ 7,200	4,600	$ 3,900
Distribution to non-controlling interest					642	2,043	1,897
Lot Polish Airlines Invesment [Member]
Commitments and Contingencies [Line items]
Awarded arbitration			zł 1.2	$ 300
Polish Airports Company [Member]
Commitments and Contingencies [Line items]
Owned by noncontrolling interest								33.30%		33.30%	33.30%
Polish Airports Company [Member] | Lot Polish Airlines Invesment [Member]
Commitments and Contingencies [Line items]
Owned by noncontrolling interest								33.30%		33.30%
Casinos Poland [Member]
Commitments and Contingencies [Line items]
Income tax audit costs	zł 4.9	$ 1,300						zł 14.3	$ 4,200
Century Downs Racetrack And Casino [Member]
Commitments and Contingencies [Line items]
Distribution to non-controlling interest					$ 600	600	1,600
Review of Tax Year 2010 [Member]
Commitments and Contingencies [Line items]
Contingent liability								zł 3.1		$ 800
401K Plan [Member]
Commitments and Contingencies [Line items]
Vesting period for plan					6 years
Contributed to plan					$ 100	100	100
RSP And RPP Plans [Member]
Commitments and Contingencies [Line items]
Vesting period for plan					2 years
Number of registered retirement plans in Canada | item					2
Contributed to plan					$ 200	$ 200	$ 200