Joint Venture and Majority Owned Subsidiary - Narrative (Details) $ in Thousands	1 Months Ended		12 Months Ended
	Apr. 30, 2021 USD ($)	Feb. 28, 2021 USD ($) investor	Jan. 31, 2022 USD ($)		Jan. 31, 2021 USD ($)	Jan. 31, 2020 USD ($)	Jul. 31, 2018 USD ($)
Noncontrolling Interest [Line Items]
Number of investors | investor		2
Investment duration (in years)		50 years
Intangible assets, net			$ 6,285	[1]	$ 797
Contributions received from noncontrolling interests	$ 4,200		$ 26,450		$ 0	$ 0
JiHu
Noncontrolling Interest [Line Items]
Ownership percentage		72.25%
Ownership percentage by noncontrolling owners		27.75%
Meltano Inc.
Noncontrolling Interest [Line Items]
Ownership percentage by noncontrolling owners	12.00%
Variable Interest Entity, Primary Beneficiary
Noncontrolling Interest [Line Items]
Net assets		$ 80,000
Subsidiaries | Meltano Inc.
Noncontrolling Interest [Line Items]
Intangible assets, net							$ 400

[1] (1) As of January 31, 2022, the consolidated balance sheet includes assets and liabilities of the consolidated variable interest entity, GitLab Information Technology (Hubei) Co., LTD (“JiHu”), of $17.7 million and $3.7 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 10. Joint Venture and Majority Owned Subsidiary” for further discussion.