Leases - Balance Sheet Components (Details) - USD ($) $ in Thousands |
Apr. 30, 2019 |
Jan. 31, 2019 |
|---|---|---|
| Operating Leases: | ||
| Operating lease right-of-use assets | $ 12,378 | $ 0 |
| Operating lease liabilities (current) | 3,575 | 0 |
| Operating lease liabilities, non-current | 9,827 | $ 0 |
| Finance Lease: | ||
| Property and equipment, net | 42,392 | |
| Other accrued liabilities | 2,133 | |
| Other liabilities, non-current | $ 62,755 |