Annual report pursuant to Section 13 and 15(d)

Cover Page

Cover Page - USD ($)
12 Months Ended
Dec. 31, 2021
Mar. 29, 2022
Jun. 30, 2021
Document Information [Line Items]      
Document Type 10-K    
Document Quarterly Report true    
Document Period End Date Dec. 31, 2021    
Document Transition Report false    
Entity File Number 001-39113    
Entity Registrant Name BLACKSKY TECHNOLOGY INC    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 47-1949578    
Entity Address, Address Line One 13241 Woodland Park Road    
Entity Address, Address Line Two Suite 300    
Entity Address, City or Town Herndon    
Entity Address, State or Province VA    
Entity Address, Postal Zip Code 20171    
City Area Code 571    
Local Phone Number 267-1571    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Emerging Growth Company true    
Entity Small Business true    
Entity Shell Company false    
Entity Public Float     $ 315,933,750
Entity Common Stock, Shares Outstanding   120,487,582  
Entity Central Index Key 0001753539    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Ex Transition Period false    
Class A Common Stock      
Document Information [Line Items]      
Title of 12(b) Security Class A common stock, par value $0.0001 per share    
Trading Symbol BKSY    
Security Exchange Name NYSE    
Common Stock warrants      
Document Information [Line Items]      
Title of 12(b) Security Warrants, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50    
Trading Symbol BKSY.W    
Security Exchange Name NYSE