Leases (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Nov. 01, 2019	Nov. 01, 2019	Feb. 02, 2019	Feb. 01, 2019	Nov. 02, 2018	Feb. 02, 2018
Lease Expenses [Line Items]
Operating Leases, Future Minimum Payments Due	$ 48,543	$ 48,543		$ 39,319
Other Operating Activities, Cash Flow Statement		7,783
Operating Lease, Right-of-Use Asset	31,380	$ 31,380	$ 27,494	$ 0	$ 0	$ 0
Operating Lease, Liability, Current	700
Operating Lease, Liability, Noncurrent	$ 11,300

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717

Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 3)
-URI http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697

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