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Stock-Based Compensation - Summary of Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 31, 2020 | Feb. 01, 2019 | Feb. 02, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Share-based compensation | $ 8,690 | $ 6,161 | $ 3,951
Restricted Stock Units (RSUs) |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Share-based compensation | 5,591 | 4,407 | 3,212
Share-based Payment Arrangement, Option |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Share-based compensation | 748 | 748 | 651
Performance Shares |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Share-based compensation | $ 2,352 | $ 1,006 | $ 88

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