Nature of operations	6 Months Ended
	Sep. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Nature of operations	Nature of operationse.l.f. Beauty, Inc. (“e.l.f. Beauty,” and together with its subsidiaries, the “Company” or “we”) was formed as a Delaware corporation on December 20, 2013. e.l.f. Beauty is organized as a holding company and operates through its subsidiaries, e.l.f. Cosmetics, Inc. and W3LL PEOPLE, Inc. The Company’s brands are e.l.f Cosmetics, W3LL PEOPLE and Keys Soulcare. e.l.f. Cosmetics makes the best of beauty accessible to every eye, lip and face by offering high-quality, prestige-inspired cosmetics and skincare products at an extraordinary value, 100% vegan and cruelty-free. W3LL PEOPLE is a clean beauty pioneer, raising the standard for high-performance, plant-powered, cruelty-free cosmetics since 2008. Keys Soulcare is a lifestyle beauty brand created with artist, producer, actress and New York Times best-selling author Alicia Keys. With an inclusive point of view, an authentic voice and a line of skin-loving, dermatologist-developed, cruelty-free products, Keys Soulcare aims to bring new meaning to beauty by honoring ritual in our daily life and practicing intention in every action.