Increase the pricing for loans as a percent.

No definition available.

Name:	ctrn_DebtInstrumentIncreasePricingForLoansPercent
Namespace Prefix:	ctrn_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of financial covenants under the debt agreement.

+ References

No definition available.

+ Details

Name:	ctrn_DebtInstrumentNumberOfCovenants
Namespace Prefix:	ctrn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the amount of expected borrowings subsequent to the payment of cash dividends within a specified period, under the terms of the line of credit facility covenants.

+ References

No definition available.

+ Details

Name:	ctrn_LineOfCreditFacilityAccordionBorrowingCapacity
Namespace Prefix:	ctrn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the maximum borrowing capacity under the credit facility when the accordion option is exercised, without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

No definition available.

+ Details

Name:	ctrn_LineOfCreditFacilityAccordionExpansionMaximumBorrowingCapacity
Namespace Prefix:	ctrn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1

+ Details

Name:	us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

Name:	us-gaap_LongTermDebtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_FederalFundsEffectiveSwapRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_EurodollarMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=ctrn_ScenarioOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=ctrn_FederalFundsEffectiveSwapRateOrEurodollarMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=ctrn_ScenarioTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=ctrn_ScenarioThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Revolving Credit Facility (Details) $ in Thousands		1 Months Ended
Revolving Credit Facility (Details) $ in Thousands	Oct. 27, 2011 USD ($)	May 31, 2023 USD ($) agreement	Oct. 28, 2023 USD ($)
Line of Credit
Revolving Line of Credit
Term of credit facility	5 years
Maximum borrowing capacity	$ 50,000	$ 75,000
Borrowing capacity, accordion feature		25,000
Maximum borrowing capacity including accordion expansion		$ 100,000
Number of covenants \| agreement		1
Unused commitment fee (as a percent)		0.20%
Debt outstanding			$ 0
Line of Credit \| Secured Overnight Financing Rate
Revolving Line of Credit
Increase pricing for loans (as a percent)		0.10%
Line of Credit \| Federal Fund Rate
Revolving Line of Credit
Margin added to variable rate (as a percent)		0.50%
Line of Credit \| Eurodollar Rate
Revolving Line of Credit
Increase pricing for loans (as a percent)		1.00%
Letter of Credit
Revolving Line of Credit
Debt outstanding			$ 600
First interest rate \| Line of Credit \| Eurodollar Rate
Revolving Line of Credit
Margin added to variable rate (as a percent)		1.25%
First interest rate \| Line of Credit \| Federal Funds or Eurodollar Rate
Revolving Line of Credit
Margin added to variable rate (as a percent)		0.25%
Second interest rate \| Line of Credit \| Eurodollar Rate
Revolving Line of Credit
Margin added to variable rate (as a percent)		1.50%
Second interest rate \| Line of Credit \| Federal Funds or Eurodollar Rate
Revolving Line of Credit
Margin added to variable rate (as a percent)		0.50%
Third interest rate \| Line of Credit \| Eurodollar Rate
Revolving Line of Credit
Margin added to variable rate (as a percent)		1.75%
Third interest rate \| Line of Credit \| Federal Funds or Eurodollar Rate
Revolving Line of Credit
Margin added to variable rate (as a percent)		0.75%