Document and Entity Information
Document and Entity Information - shares | 9 Months Ended | |
Sep. 30, 2020 | Nov. 02, 2020 | |
Cover [Abstract] | ||
Document Type | 10-Q/A | |
Amendment Flag | false | |
Document Period End Date | Sep. 30, 2020 | |
Document Fiscal Year Focus | 2020 | |
Document Fiscal Period Focus | Q3 | |
Trading Symbol | CYTK | |
Entity Registrant Name | CYTOKINETICS, INCORPORATED | |
Entity Central Index Key | 0001061983 | |
Current Fiscal Year End Date | --12-31 | |
Entity Current Reporting Status | Yes | |
Entity Interactive Data Current | Yes | |
Entity Filer Category | Accelerated Filer | |
Entity Shell Company | false | |
Entity Small Business | true | |
Entity Emerging Growth Company | false | |
Entity File Number | 000-50633 | |
Entity Incorporation, State or Country Code | DE | |
Entity Tax Identification Number | 94-3291317 | |
Entity Address, Address Line One | 280 East Grand Avenue | |
Entity Address, City or Town | South San Francisco | |
Entity Address, State or Province | CA | |
Entity Address, Postal Zip Code | 94080 | |
City Area Code | 650 | |
Local Phone Number | 624-3000 | |
Entity Common Stock, Shares Outstanding | 70,779,023 | |
Title of 12(b) Security | Common Stock, $0.001 par value | |
Security Exchange Name | NASDAQ | |
Document Quarterly Report | true | |
Document Transition Report | false |