{"cik":1828161,"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":"FTC Solar, Inc.","units":{"USD":[{"end":"2020-12-31","val":784000,"accn":"0000950170-22-004184","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-21","frame":"CY2020Q4I"},{"end":"2021-12-31","val":0,"accn":"0000950170-22-004184","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-21","frame":"CY2021Q4I"},{"end":"2023-12-31","val":0,"accn":"0000950170-25-047224","fy":2024,"fp":"FY","form":"10-K","filed":"2025-03-31","frame":"CY2023Q4I"},{"end":"2024-12-31","val":9466000,"accn":"0000950170-25-047224","fy":2024,"fp":"FY","form":"10-K","filed":"2025-03-31"},{"end":"2024-12-31","val":9466000,"accn":"0000950170-25-061469","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-01"},{"end":"2024-12-31","val":9466000,"accn":"0000950170-25-102455","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-05"},{"end":"2024-12-31","val":9466000,"accn":"0001193125-25-276228","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-12"},{"end":"2024-12-31","val":9466000,"accn":"0001193125-26-120372","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-24","frame":"CY2024Q4I"},{"end":"2025-03-31","val":10169000,"accn":"0000950170-25-061469","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-01","frame":"CY2025Q1I"},{"end":"2025-06-30","val":10895000,"accn":"0000950170-25-102455","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-05","frame":"CY2025Q2I"},{"end":"2025-09-30","val":16648000,"accn":"0001193125-25-276228","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-12","frame":"CY2025Q3I"},{"end":"2025-12-31","val":9921000,"accn":"0001193125-26-120372","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-24"},{"end":"2025-12-31","val":9921000,"accn":"0001193125-26-205290","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-05"},{"end":"2025-12-31","val":9921000,"accn":"0001193125-26-334042","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-05","frame":"CY2025Q4I"},{"end":"2026-03-31","val":12887000,"accn":"0001193125-26-205290","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-05","frame":"CY2026Q1I"},{"end":"2026-06-30","val":0,"accn":"0001193125-26-334042","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-05","frame":"CY2026Q2I"}]}}