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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
	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

X

- 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

X

- 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

X

- 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

X

- Details

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

X

- Details

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