Stock-Based Compensation - Stock-Based Compensation (Details) (Parenthetical)	3 Months Ended	9 Months Ended
Oct. 30, 2021	Oct. 30, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Percentage of targets level shares achievement by performance based on target shares granted	90.00%	90.00%

Share based compensation arrangement by share based payment award equity instruments other than options percentage of targets level achievement of performance based granted share.

No definition available.

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Namespace Prefix:	kirk_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration