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Balance Sheet Components - Schedule of Operating Lease Right-of-Use Assets, Net (Details) - USD ($)
$ in Thousands
Oct. 31, 2020
Jan. 31, 2020
Balance Sheet Related Disclosures [Abstract]    
Operating lease right-of-use assets $ 270,554 $ 233,255
Less: accumulated amortization (65,545) (35,449)
Operating lease right-of-use assets, net $ 205,009 $ 197,806