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Leases - Additional Information (Detail) - Partnership - USD ($) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 02, 2020 | Feb. 02, 2020 | Feb. 03, 2019 | Jan. 28, 2018
Accounting For Leases [Line Items] |  |  |  |
Lease expiration date | Jul. 31, 2017 |  |  |
Rent expense |  | $ 1,765,000 | $ 1,689,000 | $ 1,629,000
Extension period | 1 year |  |  |
Operating lease term extended expiry date | Jul. 31, 2018 |  |  |
Amendment |  |  |  |
Accounting For Leases [Line Items] |  |  |  |
Operating lease term extended expiry date | Jul. 31, 2020 |  |  |
Renewal options period | 1 year | 1 year |  |

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- Definition Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717 + Details
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- Definition Accounting For Leases [Line Items] + References No definition available. + Details
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- Definition The date upon which a lease or a group of leases is set to expire. + References No definition available. + Details
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- Definition Lease Extension Period + References No definition available. + Details
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- Definition Operating Lease Agreement Extended Expiry Date + References No definition available. + Details
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- Details
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- Details
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