XML 7 R1.htm IDEA: XBRL DOCUMENT v3.26.1
Document and Entity Information
Apr. 02, 2026
Document Information [Line Items]  
Document Type 8-K
Document Period End Date Apr. 02, 2026
Entity Registrant Name Firefly Aerospace Inc.
Entity Incorporation State Country Code DE
Entity File Number 001-42789
Entity Tax Identification Number 81-5194980
Entity Address Address Line 1 2203 Scottsdale Drive
Entity Address City Or Town Leander
Entity Address State Or Province TX
Entity Address Postal Zip Code 78641
City Area Code 512
Local Phone Number 893-5570
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common stock, par value $0.0001 per share
Trading Symbol FLY
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Entity Ex Transition Period false
Entity Central Index Key 0001860160
Amendment Flag false
Former Address [Member]  
Document Information [Line Items]  
Entity Address Address Line 1 1320 Arrow Point Drive
Entity Address Address Line 2 #109
Entity Address City Or Town Cedar Park
Entity Address State Or Province TX
Entity Address Postal Zip Code 78613