{"cik":1860160,"taxonomy":"us-gaap","tag":"AllocatedShareBasedCompensationExpense","label":"Share-based Payment Arrangement, Expense","description":"Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.","entityName":"Firefly Aerospace Inc.","units":{"USD":[{"start":"2023-01-01","end":"2023-12-31","val":1612000,"accn":"0001193125-26-116309","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-20","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":1841000,"accn":"0001193125-26-116309","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-20","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":431000,"accn":"0001860160-26-000009","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-04","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-12-31","val":17840000,"accn":"0001193125-26-116309","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-20","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":12512000,"accn":"0001860160-26-000009","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-04","frame":"CY2026Q1"}]}}