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LEASES - Maturities of undiscounted cash flows of lease commitments (Details)
$ in Thousands
Apr. 30, 2020
USD ($)
LEASES  
Remainder of 2020 $ 2,233
2021 3,767
2022 2,689
2023 1,729
2024 and thereafter 2,778
Total 13,196
Less: Imputed interest (553)
Present value of operating lease liabilities $ 12,643