XML 42 R28.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Organization and Business (Details) - item | 12 Months Ended
--- | ---
Feb. 03, 2018 | Jan. 28, 2017 | Jan. 30, 2016
Organization and Business |  |  |
Number of stores operated | 549 |  |
Number of states in which company operates | 31 |  |
Length of fiscal year | 371 days | 364 days | 364 days

X
- Definition Represents the length of fiscal years of the reporting entity. + References No definition available. + Details
Name: | ctrn_LengthOfFiscalYear
Namespace Prefix: | ctrn_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of states the entity operates in as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the number of stores. + References No definition available. + Details
Name: | us-gaap_NumberOfStores
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration