{"cik":1590750,"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":"Viridian Therapeutics, Inc./DE","units":{"USD":[{"end":"2017-03-31","val":4167000,"accn":"0001193125-17-166522","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-11","frame":"CY2017Q1I"},{"end":"2017-06-30","val":3667000,"accn":"0001193125-17-256035","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-11","frame":"CY2017Q2I"},{"end":"2017-09-30","val":3167000,"accn":"0001590750-17-000010","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-09","frame":"CY2017Q3I"},{"end":"2017-12-31","val":10000000,"accn":"0001590750-18-000006","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-15","frame":"CY2017Q4I"},{"end":"2018-03-31","val":10000000,"accn":"0001590750-18-000012","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-09","frame":"CY2018Q1I"},{"end":"2018-06-30","val":10000000,"accn":"0001590750-18-000018","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-08","frame":"CY2018Q2I"},{"end":"2018-09-30","val":10000000,"accn":"0001590750-18-000027","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-07","frame":"CY2018Q3I"},{"end":"2018-12-31","val":10000000,"accn":"0001590750-19-000013","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-14","frame":"CY2018Q4I"},{"end":"2019-03-31","val":10000000,"accn":"0001590750-19-000032","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":9667000,"accn":"0001590750-19-000042","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2019Q2I"},{"end":"2019-09-30","val":8667000,"accn":"0001590750-19-000059","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-08","frame":"CY2019Q3I"},{"end":"2019-12-31","val":7667000,"accn":"0001590750-20-000021","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-13","frame":"CY2019Q4I"},{"end":"2021-12-31","val":0,"accn":"0001590750-22-000009","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-15"},{"end":"2021-12-31","val":0,"accn":"0001590750-22-000012","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":0,"accn":"0001590750-23-000002","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-09","frame":"CY2021Q4I"},{"end":"2022-06-30","val":4585000,"accn":"0001590750-22-000009","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-15","frame":"CY2022Q2I"},{"end":"2022-09-30","val":4613000,"accn":"0001590750-22-000012","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":4645000,"accn":"0001590750-23-000002","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-09"},{"end":"2022-12-31","val":4645000,"accn":"0001590750-23-000003","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-10"},{"end":"2022-12-31","val":4645000,"accn":"0001590750-23-000008","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-08"},{"end":"2022-12-31","val":4645000,"accn":"0001590750-23-000013","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-13"},{"end":"2022-12-31","val":4645000,"accn":"0001590750-24-000007","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-27","frame":"CY2022Q4I"},{"end":"2023-03-31","val":4677000,"accn":"0001590750-23-000003","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-10","frame":"CY2023Q1I"},{"end":"2023-06-30","val":4709000,"accn":"0001590750-23-000008","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-08","frame":"CY2023Q2I"},{"end":"2023-09-30","val":20000000,"accn":"0001590750-23-000013","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-13","frame":"CY2023Q3I"},{"end":"2023-12-31","val":20205000,"accn":"0001590750-24-000007","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-27"},{"end":"2023-12-31","val":20205000,"accn":"0001590750-24-000012","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-05-08","frame":"CY2023Q4I"},{"end":"2024-03-31","val":20328000,"accn":"0001590750-24-000012","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-05-08","frame":"CY2024Q1I"}]}}