Cover - USD ($)	12 Months Ended
	Dec. 31, 2025	Apr. 14, 2026	Jun. 30, 2025
Document Information [Line Items]
Document Type	10-K/A
Amendment Flag	true
Document Annual Report	true
Document Period End Date	Dec. 31, 2025
Entity File Number	001-39113
Registrant Name	BLACKSKY TECHNOLOGY INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	83-1833760
Entity Address, Postal Zip Code	20171
Entity Address, City or Town	Herndon
Entity Address, State or Province	VA
Entity Address, Address Line One	2411 Dulles Corner Park
Entity Address, Address Line Two	Suite 300
City Area Code	703
Local Phone Number	935-1930
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 698,196,072
Entity Common Stock, Shares Outstanding		37,109,026
Central Index Key	0001753539
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	FY
Document Transition Report	false
Document Financial Statement Error Correction [Flag]	false
Amendment Description	EXPLANATORY NOTE BlackSky Technology Inc. (“we,” “us,” “our,” the “Company”) is filing this Amendment No. 1 on Form 10-K/A (“Amendment No. 1”) to amend our Annual Report on Form 10-K for the fiscal year ended December 31, 2025 (the “Original Filing”), filed with the U.S. Securities and Exchange Commission (“SEC”), to include the information required by Items 10 through 14 of Part III of Form 10-K. This information was previously omitted from the Original Filing in reliance on General Instruction G(3) to Form 10-K. Pursuant to Rule 12b-15 under the Securities Exchange Act of 1934, as amended, this Amendment No. 1 also contains new certifications by our principal executive officer and principal financial officer as required by Section 302 of the Sarbanes-Oxley Act of 2002. Accordingly, Item 15 of Part IV is amended to include the currently dated certifications as exhibits. Except as expressly noted in this Amendment No. 1, this Amendment No. 1 does not reflect events that may have occurred subsequent to the filing date of the Original Filing or modify or otherwise update any other disclosures contained in the Original Filing, including, without limitation, the financial statements. Accordingly, this Amendment No. 1 should be read in conjunction with the Original Filing.
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
Warrant
Document Information [Line Items]
Title of 12(b) Security	Warrants, exercisable for shares of Class A common stock at an exercise price of $92.00 per share
Trading Symbol	BKSY.W
Security Exchange Name	NYSE