| Document and Entity Information Document | Jul. 29, 2021 |
| Document And Entity Information [Abstract] | |
| Entity Central Index Key | 0001289848 |
| Entity Emerging Growth Company | false |
| Written Communications | false |
| Title of 12(b) Security | Common Stock, par value $0.01 per share |
| Entity Incorporation, State or Country Code | DE |
| Document Type | 8-K |
| Document Period End Date | Jul. 29, 2021 |
| Entity Registrant Name | Huron Consulting Group Inc. |
| Entity File Number | 000-50976 |
| Entity Tax Identification Number | 01-0666114 |
| Entity Address, Address Line One | 550 West Van Buren Street |
| Entity Address, City or Town | Chicago |
| Entity Address, State or Province | IL |
| Entity Address, Postal Zip Code | 60607 |
| City Area Code | (312) |
| Local Phone Number | 583-8700 |
| Trading Symbol | HURN |
| Security Exchange Name | NASDAQ |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Amendment Flag | false |
