Description Of Business And Basis Of Presentation (Narrative) (Details) CAD in Millions	3 Months Ended
	Jun. 30, 2017 item	Mar. 31, 2017 CAD mi² item	Mar. 31, 2017 USD ($) mi² item	Mar. 31, 2016 USD ($)	Oct. 31, 2014	Dec. 31, 2013
Description Of Business And Basis Of Presentation [Line Items]
Number of ship-based casinos | item		13	13
Number of cruise ship owners | item		4	4
Distance from CRA and CSA | mi²		30	30
Estimated project costs		CAD 50	$ 37,500,000
Period of Century Mile project		15 months	15 months
Adjusted EBITDA			$ 6,711,000	$ 6,308,000
Correction of Prior Year Balances [Member]
Description Of Business And Basis Of Presentation [Line Items]
Corrections to adjusted EBITDA				700,000
Adjusted EBITDA				6,300,000
Correction of Prior Year Balances [Member] | As Previously Reported [Member]
Description Of Business And Basis Of Presentation [Line Items]
Adjusted EBITDA				$ 5,600,000
Percentage Of CBS Owned By CCE [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership percentage		75.00%	75.00%
Lot Polish Airlines Invesment [Member]
Description Of Business And Basis Of Presentation [Line Items]
Owned by noncontrolling interest		33.30%	33.30%			33.30%
Casinos Poland Ltd [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership percentage		66.60%	66.60%
Number of casinos owned and operated | item		8	8
Century Bets! Inc. [Member]
Description Of Business And Basis Of Presentation [Line Items]
Owned by noncontrolling interest		25.00%	25.00%
Century Casinos Europe GmbH [Member] | Percentage Of Century Downs Racetrack Owned By Century Casinos Europe [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership percentage		75.00%	75.00%
Oceania Cruises [Member]
Description Of Business And Basis Of Presentation [Line Items]
Term of consulting agreement		2 years	2 years
Consulting Fee			$ 2,000,000
Consulting Fee payable per quarter			$ 250,000
TUI Cruises, Mein Schiff 6 [Member] | Scenario, Forecast [Member]
Description Of Business And Basis Of Presentation [Line Items]
Number of passengers | item	2,500
Century Downs Racetrack And Casino [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership percentage		75.00%	75.00%
Owned by noncontrolling interest		25.00%	25.00%
Mendoza Central Entretenimientos S. A. [Member] | Century Casinos Europe GmbH [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership interest		7.50%	7.50%		7.50%