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Related Party Transactions - Selected Results Related to Vendor and Percentages (Detail) - Merchandise Inventory Purchase [Member] - USD ($) $ in Thousands | 12 Months Ended
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Jan. 28, 2017 | Jan. 30, 2016 | Jan. 31, 2015
Related Party Transaction [Line Items] |  |  |
Purchases as a percent of total merchandise purchases | 17.60% | 14.80% | 12.50%
Vendor [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Purchases | $ 44,703 | $ 39,178 | $ 29,114

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- Definition Purchase from related party vendor percentage. + References No definition available. + Details
Name: | kirk_PurchaseFromRelatedPartyVendorPercentage
Namespace Prefix: | kirk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

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- Definition Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. + References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | us-gaap_RelatedPartyTransactionAxis=kirk_MerchandiseInventoryPurchaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=kirk_VendorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |