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		9 Months Ended
	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	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)	Sep. 27, 2023 USD ($) $ / shares shares
Debt Instrument [Line Items]
Interest expense long term debt							$ 4,825	$ 4,729	$ 14,650	$ 14,012
Class of Warrant or Right, Outstanding \| shares												597,082
Warrant exercise price \| $ / shares												$ 5.44
Long-term debt							4,910		4,910		$ 114,113
Number of Tranches \| Installments						15
Exact Earth Acquisition [Member]
Debt Instrument [Line Items]
Long-term debt							4,910		4,910		$ 5,128
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 to be 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 accrues interest at a floating rate, to be 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
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
Description of credit facility					Subject to certain exceptions, prepayments of principal under the Blue Torch Credit Facility will be subject to early termination fees in the amount of 3.0%, 2.0% and 1.0% of the principal prepaid if prepayment occurs within the first, second, and third years following the closing date, respectively, plus if prepayment would have occurred on or prior to the first anniversary of the closing date, a make-whole amount equal to the amount of interest that would have otherwise been payable through the maturity date of the Blue Torch Credit Facility.
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
Warrant exercise price \| $ / shares					$ 16.88
Blue Torch Warrants [Member]
Debt Instrument [Line Items]
Warrant exercise price \| $ / shares					$ 16.08
Principal Prepayment	$ 10,000
Early termination fee	$ 100
Blue Torch Warrants [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Warrant exercise price \| $ / shares												16.08
Blue Torch Warrants [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Warrant exercise price \| $ / shares												$ 5.44
Warrant [Member] \| Introducing Fee
Debt Instrument [Line Items]
Deferred Finance Costs Gross					$ 600
Line of Credit [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity							$ 5,701		$ 5,701
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							13.1929%		13.1929%
Line of Credit [Member] \| Commitment Fee \| Blue Torch Term Loan Facility [Member]
Debt Instrument [Line Items]
Deferred Finance Costs Gross							$ 2,400		$ 2,400
Line of Credit [Member] \| Agency Fee \| Blue Torch Term Loan Facility [Member]
Debt Instrument [Line Items]
Deferred Finance Costs Gross							250		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			$ 1,800
Line of Credit [Member] \| Blue Torch Warrants [Member]
Debt Instrument [Line Items]
Prepayment premium			$ 10,000	$ 50