| Cover | Mar. 14, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Mar. 14, 2021 |
| Current Fiscal Year End Date | --12-31 |
| Entity File Number | 001-37348 |
| Entity Registrant Name | CORBUS PHARMACEUTICALS HOLDINGS, INC. |
| Entity Central Index Key | 0001595097 |
| Entity Tax Identification Number | 46-4348039 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 500 River Ridge Drive |
| Entity Address, City or Town | Norwood |
| Entity Address, State or Province | MA |
| Entity Address, Postal Zip Code | 02062 |
| City Area Code | (617) |
| Local Phone Number | 963-0100 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.0001 per share |
| Trading Symbol | CRBP |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Entity Information, Former Legal or Registered Name | Not Applicable |
