Acquisition (Narrative) (Details)	0 Months Ended	3 Months Ended		9 Months Ended				0 Months Ended		9 Months Ended	0 Months Ended	3 Months Ended	9 Months Ended
	Apr. 08, 2013 USD ($)	Sep. 30, 2013 USD ($)	Sep. 30, 2012 USD ($)	Sep. 30, 2013 USD ($)	Sep. 30, 2012 USD ($)	Apr. 07, 2013 USD ($)	Dec. 31, 2012 USD ($)	Apr. 08, 2013 Polish Airports [Member] USD ($)	Apr. 08, 2013 Polish Airports [Member] PLN	Sep. 30, 2013 Polish Airports [Member]	Apr. 08, 2013 Casinos Poland Ltd [Member] USD ($)	Sep. 30, 2013 Casinos Poland Ltd [Member] USD ($)	Sep. 30, 2013 Casinos Poland Ltd [Member] USD ($) item	Sep. 30, 2013 Casinos Poland Ltd [Member] PLN item	Apr. 07, 2013 Casinos Poland Ltd [Member]
Additional ownership acquired				33.30%							33.30%
Cash paid						$ 6,780,000					$ 6,800,000
Number of casinos													9	9
Number of slot machines													354	354
Number of gaming tables													69	69
Ownership percentage prior to acquisition															33.30%
Ownership interest in CPL		66.60%		66.60%						33.30%			66.60%	66.60%
Net operating revenue contributed by CPL												22,000,000
Earnings contributed by CPL												400,000
Remaining ownership interest in CPL		0		0			3,346,000
Fair value of initial equity investment	5,214,000						(3,027,000)				5,200,000
Gain on business combination	2,074,000	0	0	2,074,000	0								2,100,000
Assets carried in balance sheet											27,300,000
Cash included in assets carried in balance sheet											2,200,000
Liabilities carried in balance sheet											18,300,000
Percentage of discount or reverse control premium to determine the value of the non-controlling interest								22.50%	22.50%
Number of years of transactions analyzed										5 years
Resulting value of noncontrolling interest								5,200,000	16,500,000
Acquisition costs				200,000
Paid to the Polish IRS resulting from the decision													100,000	125,269
Contingent liability		$ 5,868,000		$ 5,868,000			$ 0							18,300,000