Annual report [Section 13 and 15(d), not S-K Item 405]

Summary of Significant Accounting Policies - Additional Information (Details)

v3.26.1
Summary of Significant Accounting Policies - Additional Information (Details)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2025
USD ($)
ReportingUnit
Segment
Dec. 31, 2024
USD ($)
Accounting Policies [Line Items]        
Net Income (Loss)     $ 51,305 $ (103,359)
Net Cash Provided by (Used in) Operating Activities     (59,829) (18,453)
Net cash proceeds     (109,500)  
Net proceeds from Placement Agreement     37,300  
Cash Equivalents, at Carrying Value     24,800  
Marketable securities   $ 0 $ 56,969 0
Number of Reportable Segments | Segment     1  
Credit loss expense     $ 0 4,026
Goodwill impairment testing unit | ReportingUnit     1  
Asset Impairment Charges     $ 9,281 4,023
Loss On Decommissioned Satellites     6,200 3,400
Other Assets Write-Offs     2,900  
Impairment charges     200 600
Capitalized launch costs     0 0
Advertising Expense     300 600
Employee benefit plan matching and profit sharing contribution     0 0
Allowance of expected credit loss     0 4,000
Cost of Sales     42,390 70,576
Severance expense     2,200  
Sales and marketing     15,334 22,696
Research and development     36,672 29,237
General and administrative     64,009 49,744
Stock compensation expense     18,702 19,990
Sales Commissions        
Accounting Policies [Line Items]        
Capitalized Contract Cost, Net   700 300 700
Deferred contract costs, current   400 100 400
Amortization of deferred contract costs     300 500
Spire Global        
Accounting Policies [Line Items]        
Asset Impairment Charges     0 0
Pension Plan [Member]        
Accounting Policies [Line Items]        
Employee contribution pension plan     800 $ 800
Severance remained unpaid     600  
Severance [Member]        
Accounting Policies [Line Items]        
Cost of Sales     100  
Sales and marketing     300  
Research and development     600  
General and administrative     1,200  
Payment on obligations     1,600  
Accounts Receivable        
Accounting Policies [Line Items]        
Credit loss expense     200  
Customer Concentration Risk        
Accounting Policies [Line Items]        
Cash and Cash Equivalent, Marketable Securities     $ 65,100  
Customer Concentration Risk | Revenue Benchmark        
Accounting Policies [Line Items]        
Concentration risk percentage     100.00% 100.00%
Customer Concentration Risk | Customer One [Member] | Notes Receivable        
Accounting Policies [Line Items]        
Note Receivable   4,500 $ 4,500 $ 4,500
Interest Receivable   700 $ 700 $ 700
Concentration risk, customer     one one
Customer Concentration Risk | Customer One [Member] | Revenue        
Accounting Policies [Line Items]        
Concentration risk percentage     24.00% 24.00%
Customer Concentration Risk | Customer A | Accounts Receivable        
Accounting Policies [Line Items]        
Concentration risk percentage     34.00%  
Under Accrued [Member]        
Accounting Policies [Line Items]        
Stock compensation expense $ 1,000 $ 500    
Under Accrued [Member] | Maritime Transaction [Member]        
Accounting Policies [Line Items]        
Legal expenses $ 1,800      
Minimum [Member]        
Accounting Policies [Line Items]        
Finite-Lived Intangible Asset, Useful Life     2 years  
Minimum [Member] | Customer Concentration Risk | Accounts Receivable        
Accounting Policies [Line Items]        
Concentration risk percentage     10.00%  
Minimum [Member] | Customer Concentration Risk | Customer One [Member] | Revenue        
Accounting Policies [Line Items]        
Concentration risk percentage     10.00% 10.00%
Minimum [Member] | Geographic Concentration Risk | Vendor        
Accounting Policies [Line Items]        
Concentration risk percentage     10.00% 10.00%
Maximum [Member]        
Accounting Policies [Line Items]        
Cash equivalents terms     3 months  
Finite-Lived Intangible Asset, Useful Life     12 years  
Initial lease term     12 months  
Maximum [Member] | Customer Concentration Risk | Customer A | Accounts Receivable        
Accounting Policies [Line Items]        
Concentration risk percentage     10.00%