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Earnings per Share - Additional Information (Details) - shares | 6 Months Ended
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Aug. 04, 2018 | Jul. 29, 2017
Earnings Per Share [Line Items] |  |
Shares of restricted stock outstanding | 30,000 |
Stock Options | Minimum |  |
Earnings Per Share [Line Items] |  |
Share-based compensation arrangement, expiration date | Mar. 19, 2020 |
Stock Options | Maximum |  |
Earnings Per Share [Line Items] |  |
Share-based compensation arrangement, expiration date | Jun. 29, 2028 |
Unvested time-based restricted stock |  |
Earnings Per Share [Line Items] |  |
Dilutive shares | 30,000 | 53,333

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- Definition Date the equity-based award expires, in CCYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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