Debt and Other Financing - Narrative (Details) $ / shares in Units, $ in Thousands		1 Months Ended	9 Months Ended
	Nov. 08, 2023 USD ($)	Jul. 31, 2025 USD ($) $ / shares	Sep. 30, 2025 USD ($) tradingDay	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)	Apr. 11, 2024 USD ($)
Debt Instrument [Line Items]
Repayments of Debt			$ 83,377	$ 10,000
Debt Instrument, Convertible, Threshold Trading Days \| tradingDay			26
Debt Instrument, Convertible, Threshold Consecutive Trading Days \| tradingDay			30
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger			130.00%
Debt Instrument, Convertible, Threshold Overall Trading Days, During Period \| tradingDay			20
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed			100.00%
Satellite Procurement Vendor Financing Amount	$ 27,000
Debt Instrument, Term	3 years
Debt, Long-Term and Short-Term, Combined Amount			$ 202,063
Long-term debt, fair value					$ 120,300
Related Party
Debt Instrument [Line Items]
Repayments of Debt		$ 100,200
Loans Payable \| Satellite Procurement Vendor Financing
Debt Instrument [Line Items]
Interest rate			12.60%
Debt, Long-Term and Short-Term, Combined Amount			$ 12,800
Loans Payable \| Commercial Bank Line
Debt Instrument [Line Items]
Interest rate			10.98%
Loans Payable \| Convertible Notes
Debt Instrument [Line Items]
Interest rate			8.73%
Loans Payable \| Minimum \| Satellite Procurement Vendor Financing
Debt Instrument [Line Items]
Interest rate			7.77%
Loans Payable \| Minimum \| Affiliated Entity
Debt Instrument [Line Items]
Interest rate			12.23%
Loans Payable \| Maximum \| Satellite Procurement Vendor Financing
Debt Instrument [Line Items]
Interest rate			11.62%
Loans Payable \| Maximum \| Affiliated Entity
Debt Instrument [Line Items]
Interest rate			12.57%
Line of Credit \| Stifel Bank \| Revolving Credit Facility
Debt Instrument [Line Items]
Repayments of Debt		$ 10,000
Line of credit facility, maximum borrowing capacity						$ 20,000
Convertible Debt \| Convertible Notes
Debt Instrument [Line Items]
Debt Instrument, Convertible, Conversion Price \| $ / shares		$ 36.78
Interest rate		8.25%
Debt Instrument, Convertible, Conversion Ratio		0.0271909
Debt instrument, face amount		$ 185,000

BlackSky Technology Inc. 10-Q