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Income Taxes - Operating Loss Carryforwards (Details) - USD ($) $ in Thousands | Jan. 31, 2021 | Feb. 02, 2020
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Operating Loss Carryforwards [Line Items] |  |
Total loss carryforwards, indefinite | $ 74,830 |
Total loss carryforwards | 87,881 | $ 190,307
2021 |  |
Operating Loss Carryforwards [Line Items] |  |
Total loss carryforwards, subject to expiration | 36 |
2025 |  |
Operating Loss Carryforwards [Line Items] |  |
Total loss carryforwards, subject to expiration | 75 |
2028 |  |
Operating Loss Carryforwards [Line Items] |  |
Total loss carryforwards, subject to expiration | 10 |
2030 |  |
Operating Loss Carryforwards [Line Items] |  |
Total loss carryforwards, subject to expiration | 444 |
2032 |  |
Operating Loss Carryforwards [Line Items] |  |
Total loss carryforwards, subject to expiration | 881 |
Thereafter |  |
Operating Loss Carryforwards [Line Items] |  |
Total loss carryforwards, subject to expiration | $ 11,605 |

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