| Disaggregation of Revenue [Table Text Block] |
| | | Three Months Ended July 31, | | | Six Months Ended July 31, | |
| | | 2026 | | | 2025 | | | 2026 | | | 2025 | |
| SaaS and subscription services: | | | | | | | | | | | | | | | | |
| Enterprise | | $ | 85,312 | | | $ | 86,320 | | | $ | 166,755 | | | $ | 171,004 | |
| Consumer | | | 6,646 | | | | 8,975 | | | | 13,733 | | | | 17,946 | |
| Professional services and other | | | 6,290 | | | | 5,890 | | | | 12,258 | | | | 11,383 | |
| Total net revenues | | $ | 98,248 | | | $ | 101,185 | | | $ | 192,746 | | | $ | 200,333 | |
| | | Three Months Ended July 31, | | | Six Months Ended July 31, | |
| | | 2026 | | | 2025 | | | 2026 | | | 2025 | |
| United States | | $ | 73,773 | | | $ | 76,764 | | | $ | 144,469 | | | $ | 152,160 | |
| Europe, Middle East and Africa | | | 14,847 | | | | 14,837 | | | | 29,245 | | | | 28,890 | |
| Other Americas | | | 4,603 | | | | 4,333 | | | | 9,050 | | | | 8,457 | |
| Asia-Pacific | | | 5,025 | | | | 5,251 | | | | 9,982 | | | | 10,826 | |
| Total net revenues | | $ | 98,248 | | | $ | 101,185 | | | $ | 192,746 | | | $ | 200,333 | |
|
| Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] |
| Deferred revenue as of January 31, 2026 | | $ | 258,448 | |
| Billings deferred | | | 125,876 | |
| Recognition of deferred revenue attributable to: | | | | |
| Prior year deferred revenue | | | (159,915 | ) |
| Current year deferred revenue | | | (32,830 | ) |
| Deferred revenue as of July 31, 2026 | | $ | 191,579 | |
|
| Capitalized Contract Cost [Table Text Block] |
| Deferred contract acquisition costs as of January 31, 2026 | | $ | 38,495 | |
| Contract acquisition costs | | | 9,843 | |
| Recognition of contract acquisition costs | | | (13,416 | ) |
| Deferred contract acquisition costs as of July 31, 2026 | | $ | 34,922 | |
|