Spire Global, Inc. Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Long-Term Debt - Additional Information (Detail)

Long-Term Debt - Additional Information (Detail) $ / shares in Units, $ in Thousands							1 Months Ended	3 Months Ended
	Mar. 12, 2025 USD ($)	Aug. 27, 2024 USD ($)	Apr. 08, 2024 USD ($)	Feb. 08, 2024 USD ($)	Oct. 02, 2023 USD ($)	Jun. 13, 2022 USD ($) $ / shares shares	Nov. 30, 2021 Installments	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)	Sep. 27, 2023 USD ($) $ / shares shares
Debt Instrument [Line Items]
Interest expense long term debt								$ 5,727	$ 5,053
Increase Margin PIK Intrest	0.025
Extension fee								1,000
Paid-in-Kind Interest	$ 2,500
Class of Warrant or Right, Outstanding \| shares											597,082
Pre-Funded Warrant exercise price \| $ / shares											$ 5.44
Long-term debt								0		$ 4,618
Number of Tranches \| Installments							15
Exact Earth Acquisition [Member]
Debt Instrument [Line Items]
Long-term debt								4,626		$ 4,618
Blue Torch Term Loan Facility [Member]
Debt Instrument [Line Items]
Company's Total Liquidity								35,000
Minimum liquidity			$ 20,000					30,000
Incremental Change in LIquidity								$ 5,000
Decrease in liquidity				$ 10,000
Line of Credit Facility, Maximum Borrowing Capacity						$ 120,000
Line of Credit Facility, Description								The $120,000 term loan was available and drawn at closing, of which $19,735 was placed in an escrow account by Blue Torch with such amount released upon the Company achieving certain metrics related to annualized recurring revenue and a total annualized recurring revenue leverage ratio. These metrics were achieved and the $19,735 was released from the escrow account and delivered to the Company in February 2023. The term loan accrued interest at a floating rate based, at the Company’s election, on either a reference rate or a 3-month Term Secured Overnight Financing Rate (“SOFR”) (subject to a 1.0% floor), plus an interest rate margin of 7.0% for reference rate borrowings and 8.0% for 3-month Term SOFR borrowings, plus an incremental Term SOFR margin of 0.26161%.
Warrant to urgent capital llc [Member]
Debt Instrument [Line Items]
Class of Warrant or Right, Outstanding \| shares											597,082
Pre-Funded Warrant exercise price \| $ / shares											$ 5.44
Credit Agreement With Fp Credit Partners Lp \| Blue Torch Term Loan Facility [Member]
Debt Instrument [Line Items]
Proceeds term loan						$ 70,000
Common Stock Warrant [Member] \| Blue Torch Term Loan Facility [Member]
Debt Instrument [Line Items]
Class of Warrant or Right, Outstanding \| shares						437,024
Common Stock Warrant [Member] \| Warrant to urgent capital llc [Member]
Debt Instrument [Line Items]
Class of Warrant or Right, Outstanding \| shares						24,834
Pre-Funded Warrant exercise price \| $ / shares						$ 16.08
Blue Torch Warrants [Member]
Debt Instrument [Line Items]
Pre-Funded Warrant exercise price \| $ / shares						$ 16.08
Principal Prepayment		$ 10,000
Early termination fee		$ 100
Blue Torch Warrants [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Pre-Funded Warrant exercise price \| $ / shares											16.08
Blue Torch Warrants [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Pre-Funded Warrant exercise price \| $ / shares											$ 5.44
Warrant [Member] \| Introducing Fee
Debt Instrument [Line Items]
Deferred Finance Costs Gross						$ 600
Line of Credit [Member] \| Blue Torch Term Loan Facility [Member]
Debt Instrument [Line Items]
Long term debt interest rate											1.50%
Outstanding principal balance of the term loans					$ 2,500
Line of Credit [Member] \| Blue Torch Term Loan Facility [Member] \| SOFR
Debt Instrument [Line Items]
Long term debt interest rate								15.0604%
Line of Credit [Member] \| Commitment Fee \| Blue Torch Term Loan Facility [Member]
Debt Instrument [Line Items]
Deferred Finance Costs Gross								$ 2,400
Line of Credit [Member] \| Agency Fee \| Blue Torch Term Loan Facility [Member]
Debt Instrument [Line Items]
Deferred Finance Costs Gross								250
Line of Credit [Member] \| Exit Fee \| Blue Torch Term Loan Facility [Member]
Debt Instrument [Line Items]
Deferred Finance Costs Gross			$ 200					$ 1,800			$ 1,800
Line of Credit [Member] \| Blue Torch Warrants [Member]
Debt Instrument [Line Items]
Prepayment premium				$ 10,000	$ 50