{"cik":1745020,"taxonomy":"us-gaap","tag":"Assets","label":"Assets","description":"Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.","entityName":"THESEUS PHARMACEUTICALS, INC.","units":{"USD":[{"end":"2020-12-31","val":8614000,"accn":"0001558370-21-015870","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-15"},{"end":"2020-12-31","val":8614000,"accn":"0001558370-22-003216","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-10","frame":"CY2020Q4I"},{"end":"2021-09-30","val":97619000,"accn":"0001558370-21-015870","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-15","frame":"CY2021Q3I"},{"end":"2021-12-31","val":250929000,"accn":"0001558370-22-003216","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-10"},{"end":"2021-12-31","val":250929000,"accn":"0001558370-22-008425","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"end":"2021-12-31","val":250929000,"accn":"0001558370-22-013178","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-11"},{"end":"2021-12-31","val":250929000,"accn":"0001558370-22-016129","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"end":"2021-12-31","val":250929000,"accn":"0001558370-23-003251","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-09","frame":"CY2021Q4I"},{"end":"2022-03-31","val":247505000,"accn":"0001558370-22-008425","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":238289000,"accn":"0001558370-22-013178","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-11","frame":"CY2022Q2I"},{"end":"2022-09-30","val":230293000,"accn":"0001558370-22-016129","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"},{"end":"2022-12-31","val":222447000,"accn":"0001558370-23-003251","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-09"},{"end":"2022-12-31","val":222447000,"accn":"0001745020-23-000009","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11"},{"end":"2022-12-31","val":222447000,"accn":"0001745020-23-000050","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-10"},{"end":"2022-12-31","val":222447000,"accn":"0001745020-23-000080","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-17","frame":"CY2022Q4I"},{"end":"2023-03-31","val":255620000,"accn":"0001745020-23-000009","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2023Q1I"},{"end":"2023-06-30","val":245071000,"accn":"0001745020-23-000050","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-10","frame":"CY2023Q2I"},{"end":"2023-09-30","val":234627000,"accn":"0001745020-23-000080","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-17","frame":"CY2023Q3I"}]}}