The amount of future minimum lease payments receivable under non-cancellable operating leases. Minimum lease payments are payments over the lease term that the lessee is or can be required to make, excluding contingent rent, costs for services and taxes to be paid by, and reimbursed to, the lessor, together with: (a) for a lessee, any amounts guaranteed by the lessee or by a party related to the lessee; or (b) for a lessor, any residual value guaranteed to the lessor by: (i) the lessee; (ii) a party related to the lessee; or (iii) a third party unrelated to the lessor that is financially capable of discharging the obligations under the guarantee.

No definition available.

Name:	NAKD_MinimumLeasePaymentsReceivableUnderNoncancellableOperatingLease1
Namespace Prefix:	NAKD_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Other Financial Commitments - Disclosure of Finance Lease and Operating Lease by Lessor (Details) - NZD ($) $ in Thousands	Jan. 31, 2020	Jan. 31, 2019
Statement Line Items [Line Items]
Total minimum lease payments		$ 934
Within One Year [member]
Statement Line Items [Line Items]
Total minimum lease payments		441
Between One Year and Five Years [Member]
Statement Line Items [Line Items]
Total minimum lease payments		493
Greater than 5 Years [Member]
Statement Line Items [Line Items]
Total minimum lease payments