Revenue, Deferred Revenue and Remaining Performance Obligations - Revenue from Contracts by Type and Region (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Jan. 31, 2020 |
Jan. 31, 2019 |
Jan. 31, 2018 |
|
| Disaggregation of Revenue [Line Items] | |||
| Revenue | $ 481,413 | $ 249,824 | $ 118,752 |
| Percentage of Revenue | 100.00% | 100.00% | 100.00% |
| United States | |||
| Disaggregation of Revenue [Line Items] | |||
| Revenue | $ 356,513 | $ 192,057 | $ 99,209 |
| Percentage of Revenue | 74.00% | 77.00% | 84.00% |
| Europe, Middle East, and Africa | |||
| Disaggregation of Revenue [Line Items] | |||
| Revenue | $ 67,428 | $ 29,721 | $ 8,924 |
| Percentage of Revenue | 14.00% | 12.00% | 8.00% |
| Asia Pacific | |||
| Disaggregation of Revenue [Line Items] | |||
| Revenue | $ 37,672 | $ 17,213 | $ 7,966 |
| Percentage of Revenue | 8.00% | 7.00% | 6.00% |
| Other | |||
| Disaggregation of Revenue [Line Items] | |||
| Revenue | $ 19,800 | $ 10,833 | $ 2,653 |
| Percentage of Revenue | 4.00% | 4.00% | 2.00% |
| Channel Partners | |||
| Disaggregation of Revenue [Line Items] | |||
| Revenue | $ 331,279 | $ 172,141 | $ 81,308 |
| Percentage of Revenue | 69.00% | 69.00% | 68.00% |
| Direct Customers | |||
| Disaggregation of Revenue [Line Items] | |||
| Revenue | $ 150,134 | $ 77,683 | $ 37,444 |
| Percentage of Revenue | 31.00% | 31.00% | 32.00% |