Segment And Geographic Information (Schedule Of Information By Reportable Segment) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2024		Dec. 31, 2023		Dec. 31, 2022
Segment Reporting Information [Line Items]
Net operating revenue		$ 575,919		$ 550,206		$ 430,529
Operating expenses		571,603		487,281		366,166
Earnings from equity investment				1,121		3,249
Earnings (loss) before income taxes		(93,412)		(23,832)		6,010
Net earnings (loss) attributable to Century Casinos, Inc. shareholders		(128,170)		(28,198)		7,976
Income tax expense (benefit)		27,673		(5,343)		(7,660)
Depreciation and amortization		49,595		41,043		27,109
Net earnings (loss) attributable to non-controlling interests		7,085		9,709		5,694
Non-cash stock-based compensation		66		3,610		3,335
Impairment - goodwill		43,716
Loss on debt extinguishment				7,299
Earn outs				1,660
Cost recovery income		1,066		3,501		1,938
Segment assets		98,769		171,327
Total assets		1,226,312		1,359,662
Loss on sale of assets						2,154
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net operating revenue		575,919	[1]	550,206		430,529	[1]
Payroll expense		161,967		141,111		98,326
Operating expenses		127,941		117,609		85,574
Gaming tax expense		145,773		144,704		131,068
Other segment items	[2]	41,066		38,268		18,594
Pre-opening and termination expenses		(3,525)
Earnings from equity investment				1,121		3,249
Earnings (loss) before income taxes		(93,412)		(23,832)		6,010
Net earnings (loss) attributable to Century Casinos, Inc. shareholders		(128,170)		(28,198)		7,976
Interest expense (income), net		100,723	[3],[4]	91,811	[5]	64,980	[6]
Income tax expense (benefit)		27,673		(5,343)		(7,660)
Depreciation and amortization		49,595		41,043		27,109
Net earnings (loss) attributable to non-controlling interests		7,085		9,709		5,694
Non-cash stock-based compensation		66		3,610		3,335
(Gain) loss on foreign currency transactions, cost recovery income and other		(2,973)	[7],[8]	(3,688)	[9]	(1,236)
Impairment - goodwill	[10]	43,716
Loss (gain) on disposition of fixed assets		1,457		691		18
Acquisition costs		19		4,412		(3,124)
Pre-opening and termination expenses		3,525
Adjusted EBITDA		102,678		114,047		103,340
Segment assets	[11]	98,769		171,327		101,785
Long-lived assets		1,074,604	[12]	1,114,682		641,033
Total assets		1,226,312		1,359,662		884,967
Capital expenditures		59,235		59,621		19,193
United States Segment [Member]
Segment Reporting Information [Line Items]
Net operating revenue		419,668		380,591		268,582
United States Segment [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net operating revenue		419,668	[1]	380,591		268,582	[1]
Payroll expense		107,354		87,689		51,140
Operating expenses		81,820		69,795		42,558
Gaming tax expense		106,469		98,115		86,408
Other segment items	[2]	30,234		26,802		8,179
Earnings (loss) before income taxes		(41,309)		25,974		32,354
Net earnings (loss) attributable to Century Casinos, Inc. shareholders		(76,422)		18,036		24,759
Interest expense (income), net		47,566	[3],[4]	38,024	[5]	28,531	[6]
Income tax expense (benefit)		28,016		2,654		7,595
Depreciation and amortization		43,254		33,739		19,364
Net earnings (loss) attributable to non-controlling interests		7,097		5,284
(Gain) loss on foreign currency transactions, cost recovery income and other		24	[7],[8]	(84)	[9]	(1)
Impairment - goodwill	[10]	43,716
Loss (gain) on disposition of fixed assets		540		537		49
Adjusted EBITDA		93,791		98,190		80,297
Segment assets	[11]	29,583		48,085		38,667
Long-lived assets		909,768	[12]	947,075		466,403
Total assets		957,028		1,018,926		425,820
Capital expenditures		50,276		55,389		16,000
Canada Segment [Member]
Segment Reporting Information [Line Items]
Net operating revenue		76,317		75,449		71,572
Loss on debt extinguishment				7,300
Earn outs				1,700
Canada Segment [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net operating revenue		76,317	[1]	75,449		71,572	[1]
Payroll expense		23,491		22,609		21,466
Operating expenses		25,145		25,257		24,740
Other segment items	[2]	7,519		7,580		6,970
Earnings (loss) before income taxes		5,343		7,071		11,211
Net earnings (loss) attributable to Century Casinos, Inc. shareholders		3,390		8,626		6,070
Interest expense (income), net		12,544	[3],[4]	11,527	[5]	2,281	[6]
Income tax expense (benefit)		1,010		(4,256)		2,354
Depreciation and amortization		4,368		4,590		4,754
Net earnings (loss) attributable to non-controlling interests		943		2,701		2,787
(Gain) loss on foreign currency transactions, cost recovery income and other		(2,057)	[7],[8]	(3,195)	[9]	123
Loss (gain) on disposition of fixed assets		(36)		10		27
Adjusted EBITDA		20,162		20,003		18,396
Segment assets	[11]	21,605		76,771		16,781
Long-lived assets		126,335	[12]	137,543		139,304
Total assets		169,368		238,643		162,088
Capital expenditures		3,796		2,330		1,566
Poland Segment [Member]
Segment Reporting Information [Line Items]
Net operating revenue		79,900		94,105		90,169
Poland Segment [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net operating revenue		79,900	[1]	94,105		90,169	[1]
Payroll expense		26,137		24,510		20,607
Operating expenses		12,112		11,092		9,677
Gaming tax expense		39,304		46,589		44,660
Other segment items	[2]	3,309		3,852		3,351
Pre-opening and termination expenses		(3,525)
Earnings (loss) before income taxes		(3,101)		6,704		11,044
Net earnings (loss) attributable to Century Casinos, Inc. shareholders		(1,909)		3,446		5,811
Interest expense (income), net		(41)	[3],[4]	(345)	[5]	(686)	[6]
Income tax expense (benefit)		(237)		1,534		2,326
Depreciation and amortization		1,811		2,482		2,606
Net earnings (loss) attributable to non-controlling interests		(955)		1,724		2,907
(Gain) loss on foreign currency transactions, cost recovery income and other		(584)	[7],[8]	(810)	[9]	(1,153)
Loss (gain) on disposition of fixed assets		953		31		63
Pre-opening and termination expenses		3,525
Adjusted EBITDA		2,563		8,062		11,874
Segment assets	[11]	4,183		11,110		13,344
Long-lived assets		35,575	[12]	26,736		27,134
Total assets		41,988		39,892		42,173
Capital expenditures		5,101		1,816		1,578
Corporate And Other [Member]
Segment Reporting Information [Line Items]
Net operating revenue		34		61		206
Acquisition escrow in restricted cash						100,200
Corporate And Other [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net operating revenue		34	[1]	61		206	[1]
Payroll expense		4,985		6,303		5,113
Operating expenses		8,864		11,465		8,599
Other segment items	[2]	4		34		94
Earnings from equity investment				1,121		3,249
Earnings (loss) before income taxes		(54,345)		(63,581)		(48,599)
Net earnings (loss) attributable to Century Casinos, Inc. shareholders		(53,229)		(58,306)		(28,664)
Interest expense (income), net		40,654	[3],[4]	42,605	[5]	34,854	[6]
Income tax expense (benefit)		(1,116)		(5,275)		(19,935)
Depreciation and amortization		162		232		385
Non-cash stock-based compensation		66		3,610		3,335
(Gain) loss on foreign currency transactions, cost recovery income and other		(356)	[7],[8]	401	[9]	(205)
Loss (gain) on disposition of fixed assets				113		(121)
Acquisition costs		19		4,412		(3,124)
Adjusted EBITDA		(13,838)		(12,208)		(7,227)
Segment assets	[11]	43,398		35,361		32,993
Long-lived assets		2,926	[12]	3,328		8,192
Total assets		57,928		62,201		254,886
Capital expenditures		62		86		49
Corporate And Other [Member] | Macquarie Capital [Member]
Segment Reporting Information [Line Items]
Write off of deferred financing costs						7,300
Smooth Bourbon LLC [Member]
Segment Reporting Information [Line Items]
Equity investment						93,300
VICI PropCo - Master Lease [Member] | Canada Segment [Member]
Segment Reporting Information [Line Items]
Cost recovery income				3,500
Subsidiary Of VICIPropCo - CDR Land Lease [Member] | Canada Segment [Member]
Segment Reporting Information [Line Items]
Cost recovery income		1,100
Land and Building [Member] | Canada Segment [Member]
Segment Reporting Information [Line Items]
Cost recovery income						1,900
Loss on sale of assets						2,200
Nugget Sparks, LLC [Member]
Segment Reporting Information [Line Items]
Net operating revenue		87,500		80,800
Net earnings (loss) attributable to Century Casinos, Inc. shareholders		(61,300)		1,300
Impairment - goodwill		43,700
Acquisition costs				500		2,000
Nugget Sparks, LLC [Member] | United States Segment [Member]
Segment Reporting Information [Line Items]
Long-lived assets				283,600
Total assets				298,800
Rocky Gap Casino Resort [Member]
Segment Reporting Information [Line Items]
Net operating revenue		67,100		31,700
Net earnings (loss) attributable to Century Casinos, Inc. shareholders		$ (14,500)		(2,500)
Acquisition costs				3,900		$ 600
Rocky Gap Casino Resort [Member] | United States Segment [Member]
Segment Reporting Information [Line Items]
Long-lived assets				261,700
Total assets				$ 268,900

[1] Net operating revenue for the Corporate and Other segment primarily relates to the Company’s cruise ship operations, which ceased in April 2023. (2)Other segment items include cost of goods sold and marketing expenses.

[2] Other segment items include cost of goods sold and marketing expenses.

[3] Interest expense in the United States and Canada segments primarily relates to the Master Lease. Interest expense in the Corporate and Other segment primarily relates to the Goldman Credit Agreement.

[4] Other segment items include cost of goods sold and marketing expenses. (2)Interest expense in the United States and Canada segments primarily relates to the Master Lease. Interest expense in the Corporate and Other segment primarily relates to the Goldman Credit Agreement. (3)Incl

[5] Interest expense in the United States and Canada segments primarily relates to the Master Lease. Expense related to the CDR land lease was recorded as interest expense in the Canada segment. Interest expense in the Corporate and Other segment primarily relates to the Goldman Credit Agreement. The CDR land lease ended on September 6, 2023 in conjunction with the Canada Real Estate Sale. Expense of $7.3 million in Canada relates to the debt extinguishment of the CDR land lease.

[6] Other segment items include cost of goods sold and marketing expenses.(3)Interest expense in the United States segment primarily relates to the Master Lease. Expense in the Canada segment primarily relates to the CDR land lease. Interest expense in the Corporate and Other segment primarily relates to the Goldman Credit Agreement. Expense of $7.3 million related to the write-off of deferred financing costs in connection with the prepayment of the Macquarie Term Loan is included in interest expense (income), net in the Corporate and Other segment.

[7] Included in the Canada segment is $1.1 million cost recovery income for CDR.

[8] Interest expense in the Corporate and Other segment primarily relates to the Goldman Credit Agreement.(3)Included in the Canada segment is $1.1 million cost recovery income for CDR.

[9] Included in the Canada segment is $1.7 million related to the earn out from the sale of casino operations in Calgary in 2020 and $3.5 million cost recovery income for CDR.

[10] Related to the impairment of goodwill at the Nugget.

[11] Related to the impairment of goodwill at the Nugget.(5)Segment assets are cash and cash equivalents.

[12] Long-lived assets are calculated as total assets less total current assets, deferred income taxes and note receivable, net of current portion and unamortized discount.