Goodwill And Intangible Assets (Changes In Carrying Amount - Indefinited-Lived) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($)
Indefinite-lived Intangible Assets [Line Items]
Balance at beginning of the period	$ 42,501
Balance at end of the period	30,404
Trademarks [Member]
Indefinite-lived Intangible Assets [Line Items]
Balance at beginning of the period	1,719
Currency translation	(135)
Balance at end of the period	1,584
Casino Licenses [Member]
Indefinite-lived Intangible Assets [Line Items]
Balance at beginning of the period	40,782
Impairment	(10,960)
Currency translation	(1,002)
Balance at end of the period	28,820
Century Casinos [Member] | Trademarks [Member] | Corporate And Other [Member]
Indefinite-lived Intangible Assets [Line Items]
Balance at beginning of the period	108
Balance at end of the period	108
Poland [Member] | Casinos Poland [Member] | Trademarks [Member]
Indefinite-lived Intangible Assets [Line Items]
Balance at beginning of the period	1,611
Currency translation	(135)
Balance at end of the period	1,476
United States [Member] | Casino Licenses [Member]
Indefinite-lived Intangible Assets [Line Items]
Balance at beginning of the period	28,922
Impairment	(10,960)
Currency translation
Balance at end of the period	17,962
Canada [Member] | Casino Licenses [Member]
Indefinite-lived Intangible Assets [Line Items]
Balance at beginning of the period	11,860
Impairment
Currency translation	(1,002)
Balance at end of the period	$ 10,858