Condensed Consolidated Statements Of Earnings - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Operating revenue:
Operating revenue	$ 39,648	$ 39,901	$ 80,270	$ 78,742
Less: Promotional allowances		(2,571)		(5,013)
Net operating revenue	39,648	37,330	80,270	73,729
Operating costs and expenses:
Gaming	16,435	16,056	34,176	31,702
Hotel	180	154	354	297
Food and beverage	3,924	3,099	7,560	6,065
General and administrative	15,942	12,362	29,607	23,429
Depreciation and amortization	2,170	2,018	4,323	4,103
Total operating costs and expenses	38,651	33,689	76,020	65,596
Loss from equity investment	(1)		(1)
Earnings from operations	996	3,641	4,249	8,133
Non-operating income (expense):
Interest income	14	27	33	48
Interest expense	(1,089)	(915)	(2,120)	(1,837)
Gain on foreign currency transactions, cost recovery income and other	190	281	249	485
Non-operating (expense) income, net	(885)	(607)	(1,838)	(1,304)
Earnings before income taxes	111	3,034	2,411	6,829
Income tax expense	(14)	(864)	(993)	(1,859)
Net earnings	97	2,170	1,418	4,970
Net loss (earnings) attributable to non-controlling interests	220	(368)	(174)	(1,008)
Net earnings attributable to Century Casinos, Inc. shareholders	$ 317	$ 1,802	$ 1,244	$ 3,962
Earnings per share attributable to Century Casinos, Inc. shareholders:
Basic	$ 0.01	$ 0.07	$ 0.04	$ 0.16
Diluted	$ 0.01	$ 0.07	$ 0.04	$ 0.16
Weighted average shares outstanding - basic	29,376	24,466	29,369	24,460
Weighted average shares outstanding - diluted	29,974	24,962	29,984	24,911
Gaming [Member]
Operating revenue:
Operating revenue	$ 32,605	$ 33,412	$ 66,612	$ 65,900
Net operating revenue	32,605	33,412	66,612	65,900
Hotel [Member]
Operating revenue:
Operating revenue	505	494	959	932
Net operating revenue	505	494	959	932
Food And Beverage [Member]
Operating revenue:
Operating revenue	3,781	3,413	7,340	6,754
Net operating revenue	3,781	3,413	7,340	6,754
Other [Member]
Operating revenue:
Operating revenue	2,757	2,582	5,359	5,156
Net operating revenue	$ 2,757	$ 2,582	$ 5,359	$ 5,156