Consolidated Statements of Convertible Preferred Stock and Stockholders’ Equity (Deficit) - USD ($) $ in Thousands		Total		Common Stock	Common Stock Class A Common Stock	Common Stock Class A Common Stock Conversion To Dual Class Common Stock Structure	Common Stock Class A Common Stock Conversion Of Class B To Class A	Common Stock Class A Common Stock Conversion Of Stock By Selling Stockholder Upon Initial Public Offering	Common Stock Class B Common Stock	Common Stock Class B Common Stock Conversion To Dual Class Common Stock Structure	Common Stock Class B Common Stock Conversion Of Class B To Class A	Common Stock Class B Common Stock Conversion Of Stock By Selling Stockholder Upon Initial Public Offering	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive (Loss) Income	Noncontrolling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' Equity, beginning balance		$ (50,457)		$ 0	$ 0				$ 0				$ 24,882	$ (75,264)	$ (75)	$ 0
Convertible Preferred Stock, beginning balance (in shares) at Jan. 31, 2019		65,546,000
Convertible Preferred Stock, beginning balance at Jan. 31, 2019		$ 156,969
Increase (Decrease) in Temporary Equity [Roll Forward]
Series E financing, less issuance costs of $326 (in shares)		14,413,000
Series E financing, less issuance costs of $326		$ 268,177
Convertible Preferred Stock, ending balance (in shares) at Jan. 31, 2020		79,959,000
Convertible Preferred Stock, ending balance at Jan. 31, 2020		$ 425,146
Stockholders' Equity, beginning balance (in shares) at Jan. 31, 2019				48,483,000	0				0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of stock (in shares)						(48,483,000)	1,151,000			48,483,000	(1,151,000)
Issuance of common stock related to vested exercised stock options (in shares)		2,141,000							1,475,000
Issuance of common stock related to vested exercised stock options		$ 743											743
Issuance of common stock related to early exercised stock options, net of repurchases (in shares)									531,000
Vesting of early exercised stock options		671											671
Stock-based compensation expense		40,872											40,872
Foreign currency translation adjustments		4,165													4,165
Net loss		(130,741)												(130,741)
Stockholders' Equity, ending balance (in shares) at Jan. 31, 2020				0	1,151,000				49,338,000
Stockholders' Equity, ending balance at Jan. 31, 2020		(134,747)		$ 0	$ 0				$ 0				67,168	(206,005)	4,090	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' Equity, beginning balance		$ (134,747)		$ 0	$ 0				$ 0				67,168	(206,005)	4,090	0
Issuance of common stock upon conversion of preferred stock (in shares)		(408,000)
Issuance of common stock upon conversion of preferred stock		$ (242)
Convertible Preferred Stock, ending balance (in shares) at Jan. 31, 2021		79,551,000
Convertible Preferred Stock, ending balance at Jan. 31, 2021		$ 424,904
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchase of common stock (in shares)									(20,000)
Repurchase of common stock		(820)											(820)
Conversion of stock (in shares)									408,000
Conversion of stock		$ 242											242
Issuance of common stock related to vested exercised stock options (in shares)		2,862,000							1,876,000
Issuance of common stock related to vested exercised stock options		$ 5,618											5,618
Issuance of common stock related to early exercised stock options, net of repurchases (in shares)									866,000
Vesting of early exercised stock options		2,838											2,838
Stock-based compensation expense		111,846											111,846
Foreign currency translation adjustments		(24,005)													(24,005)
Net loss		(192,194)												(192,194)
Stockholders' Equity, ending balance (in shares) at Jan. 31, 2021				0	1,151,000				52,468,000
Stockholders' Equity, ending balance at Jan. 31, 2021		(231,222)		$ 0	$ 0				$ 0				186,892	(398,199)	(19,915)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' Equity, beginning balance		$ (231,222)		$ 0	$ 0				$ 0				186,892	(398,199)	(19,915)	0
Conversion of convertible preferred stock to Class B common stock upon initial public offering (in shares)		(79,551,000)
Conversion of convertible preferred stock to Class B common stock upon initial public offering		$ (424,904)
Convertible Preferred Stock, ending balance (in shares) at Jan. 31, 2022		0
Convertible Preferred Stock, ending balance at Jan. 31, 2022	[1]	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchase of common stock (in shares)									(13,000)
Repurchase of common stock		(590)											(590)
Conversion of stock (in shares)							14,550,000	2,500,000	79,551,000		(14,550,000)	(2,500,000)
Conversion of stock		$ 424,904											424,904
Issuance of common stock related to vested exercised stock options (in shares)		4,789,000							4,118,000
Issuance of common stock related to vested exercised stock options		$ 19,408											19,408
Issuance of common stock related to early exercised stock options, net of repurchases (in shares)									574,000
Issuance of common stock upon initial public offering, net of underwriting discounts and other offering costs (in shares)					8,940,000
Issuance of common stock upon initial public offering, net of underwriting discounts and other offering costs		649,845											649,845
Issuance of common stock in connections with business combination, net (in shares)									26,000
Issuance of common stock in connection with business combination, net		959											959
Contingent stock consideration in connection with business combination		1,754											1,754
Vesting of early exercised stock options		7,212											7,212
Warrant exercised (in shares)									73,000
Warrant exercised		86											86
Stock-based compensation expense		30,009											30,009
Foreign currency translation adjustments		28,014													27,639	375
Capital contributions from noncontrolling interest holders		26,450														26,450
Net loss		(157,560)												(155,138)		(2,422)
Stockholders' Equity, ending balance (in shares) at Jan. 31, 2022				0	27,141,000				119,747,000
Stockholders' Equity, ending balance at Jan. 31, 2022		799,269	[1]	$ 0	$ 0				$ 0				1,320,479	(553,337)	7,724	24,403
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' Equity, beginning balance		$ 799,269	[1]	$ 0	$ 0				$ 0				$ 1,320,479	$ (553,337)	$ 7,724	$ 24,403

[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.