Document and Entity Information
| Document and Entity Information | Aug. 06, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Aug. 06, 2024 |
| Entity File Number | 001-34167 |
| Entity Registrant Name | ePlus inc. |
| Entity Central Index Key | 0001022408 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 54-1817218 |
| Entity Address, Address Line One | 13595 Dulles Technology Drive |
| Entity Address, City or Town | Herndon |
| Entity Address, State or Province | VA |
| Entity Address, Postal Zip Code | 20171-3413 |
| City Area Code | 703 |
| Local Phone Number | 984-8400 |
| Title of 12(b) Security | Common Stock, $.01 par value |
| Trading Symbol | PLUS |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |