Label	Element	Value
Cumulative Effect of New Accounting Principle in Period of Adoption1	elf_CumulativeEffectofNewAccountingPrincipleinPeriodofAdoption1	$ (54,000)
Retained Earnings [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption1	elf_CumulativeEffectofNewAccountingPrincipleinPeriodofAdoption1	$ (54,000)

Cumulative Effect of New Accounting Principle in Period of Adoption1

No definition available.

Name:	elf_CumulativeEffectofNewAccountingPrincipleinPeriodofAdoption1
Namespace Prefix:	elf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant