Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2024	Mar. 07, 2025	Jun. 28, 2024
Document And Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2024
Document Period End Date	Dec. 31, 2024
Document Transition Report	false
Entity File Number	0-22900
Entity Registrant Name	CENTURY CASINOS, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	84-1271317
Entity Address, Address Line One	455 E. Pikes Peak Ave
Entity Address, Address Line Two	Suite 210
Entity Address, City or Town	Colorado Springs
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80903
City Area Code	719
Local Phone Number	527-8300
Title of 12(b) Security	Common Stock, $0.01 Per Share Par Value
Trading Symbol	CNTY
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction [Flag]	false
Entity Shell Company	false
Entity Public Float			$ 72,459,211
Entity Common Stock, Shares Outstanding		30,682,603
Documents Incorporated By Reference	Part III incorporates by reference the registrant’s definitive Proxy Statement for its 2025 Annual Meeting of Stockholders to be filed with the Securities and Exchange Commission within 120 days after December 31, 2024.
Entity Central Index Key	0000911147
Auditor Name	GRANT THORNTON LLP
Auditor Location	San Francisco, California
Auditor Firm ID	248