Document and Entity Information	6 Months Ended
	Jun. 30, 2012	Jul. 27, 2012
Document and Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q2
Entity Registrant Name	CENTURY CASINOS INC /CO/
Entity Central Index Key	0000911147
Current Fiscal Year End Date	--06-30
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		24,233,174