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Operating Leases - Schedule of Future Minimum Payments Related to Operating Leases (Details)
$ in Thousands
Jan. 31, 2019
USD ($)
Leases [Abstract]  
2020 $ 7,609
2021 7,837
2022 7,888
2023 7,514
2024 7,174
Thereafter 18,635
Total future minimum payments $ 56,657