v3.25.4
Summary of Significant Accounting Policies - Contingently Issuable Common Stock (Details)
12 Months Ended
Dec. 31, 2025
d
$ / shares
shares
Dec. 31, 2024
$ / shares
Business Combination, Contingent Consideration [Line Items]    
Common stock, par value (in dollars per share) | $ / shares $ 0.0001 $ 0.0001
Issuance of common stock upon transfer of contingently issuable common stock liability (in shares) 729,570  
Unvested restricted stock units    
Business Combination, Contingent Consideration [Line Items]    
Award vesting period 3 years  
Share-based Payment Arrangement, Tranche Two    
Business Combination, Contingent Consideration [Line Items]    
Number of trading days | d 20  
Number of consecutive trading days | d 30  
Share-based Payment Arrangement, Tranche Two | Maximum    
Business Combination, Contingent Consideration [Line Items]    
Award vesting period 5 years  
Share-based Payment Arrangement, Tranche Two | Minimum    
Business Combination, Contingent Consideration [Line Items]    
Share price (in dollars per share) | $ / shares $ 12.50  
Share-based Payment Arrangement, Tranche Three    
Business Combination, Contingent Consideration [Line Items]    
Award vesting period 5 years  
Number of trading days | d 20  
Number of consecutive trading days | d 30  
Share-based Payment Arrangement, Tranche Three | Minimum    
Business Combination, Contingent Consideration [Line Items]    
Share price (in dollars per share) | $ / shares $ 15.00  
Common Class B | Share-based Payment Arrangement, Tranche One    
Business Combination, Contingent Consideration [Line Items]    
Shares vested (in shares) 1,897,500  
Common Class B | Share-based Payment Arrangement, Tranche Two    
Business Combination, Contingent Consideration [Line Items]    
Shares vested (in shares) 948,750  
Common Class B | Share-based Payment Arrangement, Tranche Three    
Business Combination, Contingent Consideration [Line Items]    
Shares vested (in shares) 948,750  
Stock options    
Business Combination, Contingent Consideration [Line Items]    
Award vesting period 4 years  
Give Evolv LLC    
Business Combination, Contingent Consideration [Line Items]    
Remaining number of founder shares 517,500  
NHIC Sub Inc    
Business Combination, Contingent Consideration [Line Items]    
Shares outstanding (in shares) 4,312,500  
Common stock, par value (in dollars per share) | $ / shares $ 0.0001