Joint Venture - Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2025 |
|
| Noncontrolling Interest [Line Items] | ||
| Total stock-based compensation expense (gain) | $ 50,061 | $ 55,827 |
| GitLab Information Technology (Hubei) Co., LTD ("JiHu") | ||
| Noncontrolling Interest [Line Items] | ||
| Total stock-based compensation expense (gain) | 900 | $ (200) |
| Compensation expense not yet recognized | $ 2,000 | |
| Period for recognition (in years) | 2 years 1 month 6 days | |
| GitLab Information Technology (Hubei) Co., LTD ("JiHu") | ||
| Noncontrolling Interest [Line Items] | ||
| Ownership percentage | 54.00% | 54.00% |