Cover Page |
Jul. 31, 2025 |
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| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Jul. 31, 2025 |
| Entity Registrant Name | Corcept Therapeutics Incorporated |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 000-50679 |
| Entity Tax Identification Number | 77-0487658 |
| Entity Address, Address Line One | 101 Redwood Shores Parkway |
| Entity Address, City or Town | Redwood City |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94065 |
| City Area Code | 650 |
| Local Phone Number | 327-3270 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.001 par value |
| Trading Symbol | CORT |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001088856 |
| Amendment Flag | false |
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