Long-Term Debt (Narrative) (Details)	12 Months Ended		0 Months Ended					0 Months Ended	12 Months Ended				12 Months Ended		12 Months Ended			1 Months Ended			12 Months Ended			12 Months Ended						0 Months Ended	12 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Apr. 08, 2013 Casinos Poland Ltd [Member]	Dec. 31, 2014 Casinos Poland Ltd [Member] USD ($) loan item	Dec. 31, 2014 Casinos Poland Ltd [Member] PLN	Apr. 07, 2013 Casinos Poland Ltd [Member]	Dec. 31, 2014 Century Downs Racetrack And Casino [Member] USD ($)	May 23, 2012 BMO Credit Agreement [Member] CAD	Dec. 31, 2014 BMO Credit Agreement [Member] USD ($)	Dec. 31, 2013 BMO Credit Agreement [Member] USD ($)	Dec. 31, 2014 BMO Credit Agreement [Member] CAD	Aug. 15, 2014 BMO Credit Agreement [Member] CAD	Dec. 31, 2014 BMO Credit Agreement [Member] Century Casinos [Member] CAD	Dec. 31, 2014 CPL Loan Agreements [Member]	Dec. 31, 2014 CDR Financing Obligation [Member]	Dec. 31, 2014 CDR Financing Obligation [Member] Rosebridge [Member] USD ($) acre	Dec. 31, 2014 CDR Financing Obligation [Member] Rosebridge [Member] CAD acre	Nov. 30, 2013 First Loan With mBank [Member]	Dec. 31, 2014 First Loan With mBank [Member] Casinos Poland Ltd [Member] USD ($)	Dec. 31, 2014 First Loan With mBank [Member] Casinos Poland Ltd [Member] PLN	Dec. 31, 2014 Second Loan With mBank [Member]	Dec. 31, 2014 Second Loan With mBank [Member] Casinos Poland Ltd [Member] USD ($)	Dec. 31, 2014 Second Loan With mBank [Member] Casinos Poland Ltd [Member] PLN	Dec. 31, 2014 Line Of Credit With BPH Bank [Member] Casinos Poland Ltd [Member] USD ($)	Dec. 31, 2014 Line Of Credit With BPH Bank [Member] Casinos Poland Ltd [Member] CAD	Dec. 31, 2014 Line Of Credit With BPH Bank [Member] Casinos Poland Ltd [Member] PLN	Dec. 31, 2014 Minimum [Member] BMO Credit Agreement [Member] USD ($)	Dec. 31, 2014 Maximum [Member] BMO Credit Agreement [Member] USD ($)	Dec. 31, 2014 Maximum [Member] BMO Credit Agreement [Member] CAD	Nov. 28, 2014 Century Downs Racetrack And Casino [Member] USD ($)	Dec. 31, 2014 Century Downs Racetrack And Casino [Member]	Dec. 31, 2014 Century Downs Racetrack And Casino [Member] Rosebridge [Member] acre
Debt Instrument [Line Items]
Acres of land sold																71.99	71.99															71.99
Acres of land leased back																51.99	51.99															51.99
Weighted average interest rate on borrowings	7.95%													5.26%
Current interest rate									3.50%
Stated interest rate									3.50%
Implicit interest rate of financing obligation															10.00%	10.00%	10.00%
Maximum borrowing capacity								28,000,000				39,100,000
Term of credit agreement								5 years
Required minimum equity balance under debt covenant													28,000,000
Required maximum capital expenditure limit under debt covenant													2,000,000
Ownership interest				66.60%	66.60%																										15.00%
Additional ownership acquired			33.30%
Line of credit facility amount outstanding									16,400,000		19,000,000													1,500,000		5,300,000
Line of credit facility amount available for borrowing									13,000,000		15,100,000													1,600,000	5,700,000
Ownership percentage				33.30%	33.30%	33.30%
Standby fees, percentage																											0.50	0.75
Quarterly standby fees																												100,000	100,000
Line of credit facility amount that cannot be reborrowed once repaid									24,000,000
Amortization of deferred financing costs	76,000	82,000							100,000	100,000
Committed term sheet	11,000,000
Number of credit agreements				2	2
Number of capital lease agreements				11	11
Debt instrument term																		3 years			3 years
Interest rate percentage points above WIBOR																		1.75%			1.70%			1.85%	1.85%	1.85%
Long-term Debt	38,249,000	34,059,000		5,060,000			16,806,000		16,383,000	9,277,000
Amount outstanding				5,100,000	17,900,000														2,600,000	9,200,000		800,000	3,000,000
Required liquidity ratio under debt covenant																			0.6	0.6		0.6	0.6
Actual liquidity ratio																			0.5	0.5		0.5	0.5
Capital lease agreements				100,000	400,000
Deposits or bank guarantees for payment of casino jackpots and gaming tax obligations under gaming law				3,600,000
Bank guarantee issued for payment of casino jackpots and gaming tax obligations				1,000,000	3,600,000
Deposits maintained for payment of casino jackpots and gaming tax obligations				300,000
Loan proceeds to CDR	0	1,390,000																												1,400,000
Interest rate on loan to CDR																															10.00%
Outstanding financing obligation																$ 16,800,000	19,500,000