| Cover Page | Aug. 12, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Aug. 12, 2021 |
| Entity Registrant Name | Cidara Therapeutics, Inc. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-36912 |
| Entity Tax Identification Number | 46-1537286 |
| Entity Address, Address Line One | 6310 Nancy Ridge Drive, |
| Entity Address, Address Line Two | Suite 101 |
| Entity Address, City or Town | San Diego, |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 92121 |
| City Area Code | 858 |
| Local Phone Number | 752-6170 |
| 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 | CDTX |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001610618 |
| Amendment Flag | false |
