Document and Entity Information	3 Months Ended	6 Months Ended
	Aug. 03, 2013	Aug. 03, 2013	Aug. 30, 2013
Document And Entity Information
Document Period End Date	Aug. 03, 2013
Entity Registrant Name		Christopher & Banks Corporation
Entity Central Index Key		0000883943
Current Fiscal Year End Date		--02-01
Entity Filer Category		Accelerated Filer
Document Type		10-Q
Document Fiscal Year Focus		2013
Document Fiscal Period Focus		Q2
Amendment Flag		false
Entity Well-known Seasoned Issuer		No
Entity Voluntary Filers		No
Entity Current Reporting Status		Yes
Entity Common Stock, Shares Outstanding			36,406,479