Spire Global, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Additional Information (Detail)

Long-Term Debt - Additional Information (Detail) $ in Thousands		1 Months Ended	3 Months Ended		6 Months Ended
	Jun. 13, 2022 USD ($)	Nov. 30, 2021 Installments	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Debt Instrument [Line Items]
Interest expense long term debt			$ 4,721	$ 2,788	$ 9,283	$ 5,828
Long-term debt			119,790		119,790		$ 98,475
Number of Tranches \| Installments		15
Exact Earth Acquisition [Member]
Debt Instrument [Line Items]
Long-term debt			5,126		5,126		$ 4,857
Blue Torch Term Loan Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 120,000
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 occurs 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.
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]
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%
Line of Credit [Member] \| Blue Torch Term Loan Facility [Member] \| SOFR
Debt Instrument [Line Items]
Long term debt interest rate			13.5032%		13.5032%
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			$ 1,800		$ 1,800