Description Of Business And Basis Of Presentation (Narrative) (Details)	1 Months Ended	3 Months Ended		12 Months Ended
	Jun. 30, 2015 USD ($) item	Mar. 31, 2016 USD ($) item	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)	Mar. 20, 2015	Oct. 31, 2014	Nov. 29, 2013	Feb. 21, 2013
Description Of Business And Basis Of Presentation [Line Items]
Number of ship-based casinos		10
Number of ships for which concession agreements will be terminated	8
Consideration to be received in relation to early termination of concession agreements | $	$ 4,000,000
Loss on disposition of fixed assets | $		$ (26,000)	$ (122,000)	$ 600,000
Percentage of CBS owned by CCE [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership percentage		75.00%
Century Bets! Inc. [Member]
Description Of Business And Basis Of Presentation [Line Items]
Owned by noncontrolling interest		25.00%
Casinos Poland Ltd [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership percentage		66.60%
Number of casinos owned and operated		9
LOT Polish Airlines Invesment [Member]
Description Of Business And Basis Of Presentation [Line Items]
Owned by noncontrolling interest		33.30%
Casinos Poland Ltd [Member]
Description Of Business And Basis Of Presentation [Line Items]
Additional ownership acquired								33.30%
Century Casinos Europe GmbH [Member] | Percentage Of CDR Owned by CCE [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership percentage		75.00%
Oceania Cruises [Member]
Description Of Business And Basis Of Presentation [Line Items]
Term of consulting agreement		2 years
Consulting Fee | $		$ 2,000,000
Consulting Fee payable per quarter | $		$ 250,000
TUI Cruises [Member]
Description Of Business And Basis Of Presentation [Line Items]
Number of cruise ships		2
Number of passengers		2,500
Thomson Cruises [Member]
Description Of Business And Basis Of Presentation [Line Items]
Number of passengers		2,067
Taihu International Cruises [Member]
Description Of Business And Basis Of Presentation [Line Items]
Number of passengers		1,200
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%
Century Downs Racetrack And Casino [Member] | Century Casinos Europe GmbH [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership percentage							15.00%
Additional ownership acquired					60.00%		60.00%
Mendoza Central Entretenimientos S. A. [Member] | Century Casinos Europe GmbH [Member]
Description Of Business And Basis Of Presentation [Line Items]
Ownership interest						7.50%