{"cik":1841387,"taxonomy":"us-gaap","tag":"LongTermDebt","label":"Long-term Debt","description":"Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","entityName":"CANDEL THERAPEUTICS, INC.","units":{"USD":[{"end":"2020-12-31","val":483000,"accn":"0001564590-21-047259","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-09-08"},{"end":"2020-12-31","val":483000,"accn":"0000950170-21-004274","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-12"},{"end":"2020-12-31","val":483000,"accn":"0000950170-22-004857","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-29","frame":"CY2020Q4I"},{"end":"2021-06-30","val":521000,"accn":"0001564590-21-047259","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-09-08","frame":"CY2021Q2I"},{"end":"2021-09-30","val":541000,"accn":"0000950170-21-004274","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-12","frame":"CY2021Q3I"},{"end":"2021-12-31","val":560000,"accn":"0000950170-22-004857","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-29","frame":"CY2021Q4I"}]}}