Joint Venture and Deconsolidation of Majority Owned Subsidiary - Schedule of Inter-Company Eliminations (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2022		Apr. 30, 2021	Jan. 31, 2022
Noncontrolling Interest [Line Items]
Revenue	$ 87,407		$ 49,930
Cost of revenue	9,848		6,425
Gross profit	77,559		43,505
Sales and marketing	66,710		38,854
Research and development	31,830		21,340
General and administrative	21,892		9,339
Total operating expenses	120,432		69,533
Loss from operations	(42,873)		(26,028)
Interest income	526		54
Other income (expense), net	18,448		(1,052)
Net loss	(26,613)		(28,282)
Net loss attributable to noncontrolling interest	(514)		(345)
Cash and cash equivalents	887,489	[1]	272,229	$ 884,672
Property and equipment, net	4,347	[1]		3,271
Total assets	1,098,953	[1]		1,091,438
Total liabilities(1)	280,751	[1]		292,169
Variable Interest Entity, Primary Beneficiary
Noncontrolling Interest [Line Items]
Revenue	1,093		0
Cost of revenue	300		87
Gross profit	793		(87)
Sales and marketing	1,387		145
Research and development	928		328
General and administrative	754		634
Total operating expenses	3,069		1,107
Loss from operations	(2,276)		(1,194)
Interest income	67		0
Other income (expense), net	674		(48)
Net loss before income taxes	(1,535)		(1,242)
Net loss	(1,535)		(1,242)
Net loss attributable to noncontrolling interest	(514)		$ (345)
Cash and cash equivalents	42,455			14,198
Property and equipment, net	739			769
Other assets	2,154			2,765
Total assets	45,348			17,732
Total liabilities(1)	6,839			$ 3,663
Loans payable	$ 2,900

[1] (1) As of April 30, 2022 and January 31, 2022, the condensed consolidated balance sheet includes assets of the consolidated variable interest entity, GitLab Information Technology (Hubei) Co., LTD (“JiHu”), of $45.3 million and $17.7 million, respectively, and liabilities of $6.8 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 11. Joint Venture and Deconsolidation of Majority Owned Subsidiary” for further discussion.