Revenue, Accounts Receivable, Deferred Revenue and Remaining Performance Obligations - Schedule of Revenue by Major Customers by Reporting Segments (Details)	12 Months Ended
Jan. 31, 2020
Revenue Benchmark \| Customer Concentration Risk \| Customer A
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	11.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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