Commitments And Contingencies (Narrative) (Details) $ in Thousands, PLN in Millions	9 Months Ended			21 Months Ended
	Sep. 30, 2017 PLN	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 PLN	Sep. 30, 2017 USD ($)	Sep. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2013
Commitments and Contingencies [Line items]
Contingent liability						$ 1,713	$ 2,099
Distribution to non-controlling interest		$ 2,043	$ 1,896
Lot Polish Airlines Invesment [Member]
Commitments and Contingencies [Line items]
Owned by noncontrolling interest	33.30%			33.30%		33.30%		33.30%
Awarded arbitration	PLN 1.2	300
Casinos Poland Ltd [Member]
Commitments and Contingencies [Line items]
Income tax audit costs				PLN 9.4	$ 2,900
Review of Tax Year 2010 [Member]
Commitments and Contingencies [Line items]
Income tax audit costs	3.0	800
Review of Tax Years 2012 and 2013 [Member]
Commitments and Contingencies [Line items]
Income tax audit costs	4.8	$ 1,300
Review of All Tax Open Periods [Member]
Commitments and Contingencies [Line items]
Contingent liability	PLN 6.3			PLN 6.3		$ 1,700