Commitments And Contingencies (Narrative) (Details) $ in Thousands, PLN in Millions	3 Months Ended			75 Months Ended
	Mar. 31, 2017 PLN	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)	Mar. 31, 2017 PLN	Mar. 31, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2013
Commitments and Contingencies [Line items]
Contingent liability						$ 2,228	$ 2,099
Distribution to non-controlling interest		$ 644	$ 0
Lot Polish Airlines Invesment [Member]
Commitments and Contingencies [Line items]
Owned by noncontrolling interest	33.30%			33.30%		33.30%		33.30%
Casinos Poland Ltd [Member]
Commitments and Contingencies [Line items]
Income tax audit costs				PLN 6.4	$ 2,100
Review of Tax Year 2010 [Member]
Commitments and Contingencies [Line items]
Income tax audit costs	PLN 2.9	$ 700
Review of All Tax Open Periods [Member]
Commitments and Contingencies [Line items]
Contingent liability	PLN 8.8			PLN 8.8		$ 2,200