{"cik":1659352,"taxonomy":"us-gaap","tag":"EarningsPerShareBasic","label":"Earnings Per Share, Basic","description":"The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.","entityName":"Codiak BioSciences, Inc.","units":{"USD/shares":[{"start":"2021-01-01","end":"2021-09-30","val":-2.49,"accn":"0000950170-22-021879","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2021-07-01","end":"2021-09-30","val":-0.97,"accn":"0000950170-22-021879","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2021Q3"},{"start":"2022-01-01","end":"2022-09-30","val":-1.46,"accn":"0000950170-22-021879","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"start":"2022-07-01","end":"2022-09-30","val":-0.77,"accn":"0000950170-22-021879","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3"}]}}