Intangible Assets - Summary of Balances of the Company's Intangible Assets (Detail) - USD ($) |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Jan. 29, 2023 |
Jan. 29, 2023 |
Jan. 30, 2022 |
Jan. 31, 2021 |
|
| Finite-Lived Intangible Assets [Line Items] | ||||
| Gross Carrying Amount | $ 85,270,000 | $ 85,270,000 | $ 85,270,000 | |
| Accumulated Amortization | (22,724,000) | (22,724,000) | (13,971,000) | |
| Impairment | (40,585,000) | (40,585,000) | 0 | $ 0 |
| Intangible assets, net | 21,961,000 | $ 21,961,000 | $ 71,299,000 | |
| Remaining Useful Life (Years) | 2 years 10 months 24 days | 10 years 10 months 24 days | ||
| MIRROR brand | ||||
| Finite-Lived Intangible Assets [Line Items] | ||||
| Gross Carrying Amount | 26,500,000 | $ 26,500,000 | $ 26,500,000 | |
| Accumulated Amortization | (3,423,000) | (3,423,000) | (2,098,000) | |
| Impairment | (20,077,000) | |||
| Intangible assets, net | 3,000,000 | $ 3,000,000 | $ 24,402,000 | |
| Remaining Useful Life (Years) | 3 years | 18 years 4 months 24 days | ||
| Customer relationships | ||||
| Finite-Lived Intangible Assets [Line Items] | ||||
| Gross Carrying Amount | 28,000,000 | $ 28,000,000 | $ 28,000,000 | |
| Accumulated Amortization | (7,492,000) | (7,492,000) | (4,592,000) | |
| Impairment | (20,508,000) | |||
| Intangible assets, net | 0 | 0 | $ 23,408,000 | |
| Remaining Useful Life (Years) | 8 years 4 months 24 days | |||
| Technology | ||||
| Finite-Lived Intangible Assets [Line Items] | ||||
| Gross Carrying Amount | 25,500,000 | 25,500,000 | $ 25,500,000 | |
| Accumulated Amortization | (8,956,000) | (8,956,000) | (5,489,000) | |
| Intangible assets, net | 16,544,000 | $ 16,544,000 | $ 20,011,000 | |
| Remaining Useful Life (Years) | 3 years | 5 years 10 months 24 days | ||
| Content | ||||
| Finite-Lived Intangible Assets [Line Items] | ||||
| Gross Carrying Amount | 5,000,000 | $ 5,000,000 | $ 5,000,000 | |
| Accumulated Amortization | (2,583,000) | (2,583,000) | (1,583,000) | |
| Intangible assets, net | 2,417,000 | $ 2,417,000 | $ 3,417,000 | |
| Remaining Useful Life (Years) | 2 years 4 months 24 days | 3 years 4 months 24 days | ||
| Other | ||||
| Finite-Lived Intangible Assets [Line Items] | ||||
| Gross Carrying Amount | 270,000 | $ 270,000 | $ 270,000 | |
| Accumulated Amortization | (270,000) | (270,000) | (209,000) | |
| Intangible assets, net | $ 0 | $ 0 | $ 61,000 | |
| Remaining Useful Life (Years) | 8 months 12 days | |||