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v3.19.1

Summary of Significant Accounting Policies - Revenue Recognition and Cost of Sales (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Feb. 02, 2019 | Feb. 03, 2018 | Jan. 28, 2017
Cost of Sales |  |  |
Distribution center costs | $ 17.6 | $ 17.4 | $ 17.2

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- Definition Represents the amount of distribution center costs. + References No definition available. + Details
Name: | ctrn_DistributionCenterCosts
Namespace Prefix: | ctrn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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