Leases - Additional Information (Detail) - USD ($)
$ in Millions |
1 Months Ended |
12 Months Ended |
Aug. 31, 2019 |
Jan. 31, 2022 |
Jan. 31, 2021 |
Jan. 31, 2020 |
| Lessee Lease Description [Line Items] |
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| Operating lease expense |
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$ 3.5
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$ 3.0
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$ 3.0
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| Weighted-average remaining lease term - operating leases |
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3 years 7 months 6 days
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| Weighted-average discount rate - operating leases |
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3.55%
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| Extended Office Lease [Member] |
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| Lessee Lease Description [Line Items] |
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| Increase to operating lease right-of-use assets |
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$ 4.4
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| Increase to operating lease liabilities |
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$ 4.4
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| Shanghai [Member] | Extended Office Lease [Member] |
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| Lessee Lease Description [Line Items] |
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| Inception date |
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Dec. 01, 2021
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| Expiration date |
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Nov. 30, 2024
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| Lease term |
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3 years
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| Shanghai [Member] | Additional Office Space [Member] |
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| Lessee Lease Description [Line Items] |
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| Expiration date |
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Nov. 30, 2024
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| Lease term |
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40 months
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| Commencement date |
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Aug. 01, 2021
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| Hong Kong [Member] | Extended Office Lease [Member] |
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| Lessee Lease Description [Line Items] |
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| Inception date |
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Dec. 01, 2021
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| Expiration date |
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Nov. 30, 2026
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| Lease term |
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5 years
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| Italy [Member] | Building [Member] |
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| Lessee Lease Description [Line Items] |
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| Leased property construction completion year |
2024
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| Italy [Member] | Additional Office Space [Member] | Building [Member] |
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| Lessee Lease Description [Line Items] |
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| Lease term |
35 years
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| Italy [Member] | Parma Lease [Member] | Building [Member] |
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| Lessee Lease Description [Line Items] |
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| Future undiscounted cash payments |
$ 2.2
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| Future undiscounted cash payments in construction phase |
1.8
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| Future undiscounted cash payments, paid in remainder of lease term |
$ 0.4
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