Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Statement of Comprehensive Income [Abstract]
Net loss	$ (58,564)	$ (9,119)	$ (429,536)
Foreign currency translation adjustments	15,082	(11,934)	(3,937)
Net change in unrealized gains on available-for-sale securities	933	371	5,000
Comprehensive loss including noncontrolling interest	(42,549)	(20,682)	(428,473)
Net loss attributable to noncontrolling interest	(2,608)	(2,793)	(3,859)
Foreign currency translation adjustments attributable to noncontrolling interest	630	(657)	(2,162)
Comprehensive loss attributable to noncontrolling interest	(1,978)	(3,450)	(6,021)
Comprehensive loss attributable to GitLab	$ (40,571)	$ (17,232)	$ (422,452)