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Commitments and Contingencies - Future Minimum Lease Payments Under Non-cancelable Operating Leases (Details)
$ in Thousands
Jul. 31, 2021
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2022 (remaining six months) $ 5,213
2023 6,458
2024 4,961
2025 1,848
2026 and thereafter 3,654
Total $ 22,134