Supplemental Financial Statement Information - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands		Apr. 30, 2024	Jan. 31, 2024
Business Acquisition [Line Items]
Income tax liability related to BAPA		$ 265,254	$ 258,675
Accrued expenses		21,015	11,499
ESPP employee contributions		6,912	2,827
Acquisition related liabilities		3,766	3,608
Income taxes payable		3,380	2,212
Customer refunds payable		3,335	3,019
Indirect taxes payable		2,701	3,928
Operating lease liabilities, current		$ 371	$ 410
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]		Total accrued expenses and other current liabilities	Total accrued expenses and other current liabilities
Total accrued expenses and other current liabilities	[1]	$ 306,734	$ 286,178
Oxeye Security Limited
Business Acquisition [Line Items]
Acquisition related liabilities		100
Opstrace Inc.
Business Acquisition [Line Items]
Acquisition related liabilities		$ 3,700

[1] (1) As of April 30, 2024 and January 31, 2024, the condensed consolidated balance sheet includes assets of the consolidated variable interest entity, GitLab Information Technology (Hubei) Co., LTD (“JiHu”), of $46.7 million and $47.6 million, respectively, and liabilities of $6.1 million and $6.1 million, respectively. The assets of JiHu can be used only to settle obligations of JiHu and creditors of JiHu do not have recourse against the general credit of the Company. Refer to “Note 11. Joint Venture and Equity Method Investment” for further discussion.