Long-Term Debt (Narrative) (Details) CAD in Thousands, PLN in Millions	12 Months Ended
	Dec. 31, 2016 PLN item	Dec. 31, 2016 CAD	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2016 CAD item	Dec. 31, 2016 USD ($) item	Dec. 31, 2015 CAD	Dec. 31, 2015 USD ($)	Aug. 15, 2014 CAD	May 23, 2012 CAD
Debt Instrument [Line Items]
Amortization of deferred financing costs | $			$ 129,000	$ 105,000	$ 76,000
Amount outstanding | $							$ 56,021,000		$ 36,781,000
total debt | $							55,609,000		$ 36,520,000
Casinos Poland Ltd [Member]
Debt Instrument [Line Items]
Debt instrument maturity date	Oct. 31, 2019	Oct. 31, 2019	Oct. 31, 2019
Deposits or bank guarantees for payment of casino jackpots and gaming tax obligations under gaming law	PLN 3.6						900,000
Bank guarantee issued for payment of casino jackpots and gaming tax obligations | $							900,000
Deposits maintained for payment of casino jackpots and gaming tax obligations	PLN 1.2						$ 300,000
Century Downs Racetrack And Casino [Member]
Debt Instrument [Line Items]
Number of capital lease agreements | item	6					6	6
Capital lease agreements						CAD 700	$ 500,000
Century Casino St. Albert [Member]
Debt Instrument [Line Items]
Capital lease agreements						CAD 100	$ 100,000
Century Resorts Alberta [Member]
Debt Instrument [Line Items]
Number of capital lease agreements | item	2					2	2
Capital lease agreements						CAD 400	$ 300,000
BMO Credit Agreement [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity						69,200				CAD 39,100	CAD 28,000
Line of credit facility						54,400	40,500,000
Line of credit facility amount available for borrowing						5,400	4,000,000
Line of credit facility amount that cannot be reborrowed once repaid						63,900
Amortization of deferred financing costs | $			$ 100,000	$ 100,000	$ 100,000
Deferred financing costs | $							300,000
BMO Credit Agreement [Member] | Interest Rate Swap Liability [Member]
Debt Instrument [Line Items]
Notional Value						9,200	6,900,000
Debt instrument maturity date	Aug. 15, 2019	Aug. 15, 2019	Aug. 15, 2019
BMO Credit Agreement [Member] | Interest Rate Swap Second Agreement [Member]
Debt Instrument [Line Items]
Notional Value						9,200	6,900,000
Debt instrument maturity date	Aug. 01, 2019	Aug. 01, 2019	Aug. 01, 2019
BMO Credit Agreement [Member] | Century Casinos [Member]
Debt Instrument [Line Items]
Required minimum equity balance under debt covenant						50,000
Required maximum capital expenditure limit under debt covenant		CAD 4,000
Required maximum capital expenditure limit under debt covenant for 2016		CAD 6,300
CPL Loan Agreements [Member] | Casinos Poland Ltd [Member]
Debt Instrument [Line Items]
Amount outstanding						0		CAD 0
total debt	PLN 0.9						200,000
CDR Financing Obligation [Member] | Rosebridge [Member]
Debt Instrument [Line Items]
Outstanding financing obligation						19,500	14,500,000
First Loan With mBank [Member]
Debt Instrument [Line Items]
Expiration date	Sep. 01, 2014	Sep. 01, 2014	Sep. 01, 2014
Interest rate percentage points above WIBOR	1.70%	1.70%	1.70%
First Loan With mBank [Member] | Casinos Poland Ltd [Member]
Debt Instrument [Line Items]
Line of credit facility	PLN 0.9						$ 200,000
Line of credit facility amount available for borrowing						CAD 0
Debt ratio	80					80	80
Debt instrument maturity date	Sep. 01, 2017	Sep. 01, 2017	Sep. 01, 2017
Actual liquidity ratio	0.50					0.50	0.50
Line Of Credit With BPH Bank [Member] | Casinos Poland Ltd [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity | PLN	PLN 13.0
Line of credit amount that can only be used to secure bank guarantees | PLN	PLN 2.0
Line of credit facility | $							$ 0
Expiration date	Feb. 11, 2018	Feb. 11, 2018	Feb. 11, 2018
Line of credit facility amount available for borrowing	PLN 11.0						2,600,000
Interest rate percentage points above WIBOR	1.85%	1.85%	1.85%
Capital Leases [Member]
Debt Instrument [Line Items]
Amount outstanding | $							791,000
Credit Facility A [Member] | BMO Credit Agreement [Member]
Debt Instrument [Line Items]
Term of credit agreement	5 years	5 years	5 years
Line of credit facility						CAD 1,100
Expiration date	Aug. 01, 2019	Aug. 01, 2019	Aug. 01, 2019
Line of credit facility amount available for borrowing						CAD 1,100	$ 800,000
Credit Facility B [Member] | BMO Credit Agreement [Member]
Debt Instrument [Line Items]
Term of credit agreement	5 years	5 years	5 years
Additional ownership acquired	33.30%					33.30%	33.30%
Line of credit facility						CAD 24,100
Expiration date	Aug. 01, 2019	Aug. 01, 2019	Aug. 01, 2019
Line of credit facility amount available for borrowing						0
Credit Facility C [Member] | BMO Credit Agreement [Member]
Debt Instrument [Line Items]
Term of credit agreement	5 years	5 years	5 years
Line of credit facility						11,000
Expiration date	Aug. 01, 2019	Aug. 01, 2019	Aug. 01, 2019
Line of credit facility amount available for borrowing						4,300	$ 3,200,000
Credit Facility D [Member] | BMO Credit Agreement [Member]
Debt Instrument [Line Items]
Term of credit agreement	5 years	5 years	5 years
Line of credit facility						30,000
Expiration date	Sep. 01, 2021	Sep. 01, 2021	Sep. 01, 2021
Line of credit facility amount available for borrowing						0
Credit Facility E [Member]
Debt Instrument [Line Items]
Expiration date	Aug. 01, 2019	Aug. 01, 2019	Aug. 01, 2019
Credit Facility E [Member] | Treasury Risk Management Facility [Member]
Debt Instrument [Line Items]
Term of credit agreement	5 years	5 years	5 years
Credit Facility E [Member] | Treasury Risk Management Facility [Member] | Interest Rate Swap Liability [Member]
Debt Instrument [Line Items]
Line of credit facility						CAD 3,000	$ 2,200,000
Minimum [Member] | Interest Rate Swap Liability [Member]
Debt Instrument [Line Items]
CDOR exchange rate	3.89					3.89	3.89
Minimum [Member] | BMO Credit Agreement [Member]
Debt Instrument [Line Items]
Fixed Charge Coverage Ratio	1.20					1.20	1.20
Standby fees, percentage	0.50%	0.50%	0.50%
Minimum [Member] | BMO Credit Agreement [Member] | Interest Rate Swap Liability [Member]
Debt Instrument [Line Items]
CDOR exchange rate	3.89					3.89	3.89
Maximum [Member] | Interest Rate Swap Liability [Member]
Debt Instrument [Line Items]
CDOR exchange rate	3.92					3.92	3.92
Maximum [Member] | BMO Credit Agreement [Member]
Debt Instrument [Line Items]
EBITDA	0.33	0.33	0.33
Standby fees, percentage	0.75%	0.75%	0.75%
Quarterly standby fees		CAD 100	$ 100,000
Maximum [Member] | BMO Credit Agreement [Member] | Interest Rate Swap Liability [Member]
Debt Instrument [Line Items]
CDOR exchange rate	3.92					3.92	3.92
Century Downs Racetrack And Casino [Member]
Debt Instrument [Line Items]
Ownership percentage	75.00%					75.00%	75.00%
Century Downs Racetrack And Casino [Member] | BMO Credit Agreement [Member]
Debt Instrument [Line Items]
Ownership interest	75.00%					75.00%	75.00%