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LEASES - Maturities of undiscounted cash flows of lease commitments (Details)
$ in Thousands
Jan. 31, 2020
USD ($)
LEASES  
Remainder of 2020 $ 3,351
2021 3,592
2022 2,576
2023 1,731
2024 and thereafter 2,880
Total 14,130
Less: Imputed interest (567)
Present value of operating lease liabilities $ 13,563