XML 12 R1.htm IDEA: XBRL DOCUMENT v3.25.3
Cover - shares
 9 Months Ended
Sep. 30, 2025
Nov. 12, 2025
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Entity Interactive Data Current Yes  
Amendment Flag false  
Document Period End Date Sep. 30, 2025  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q3  
Entity Information [Line Items]    
Entity Registrant Name Kochav Defense Acquisition Corp.  
Entity Central Index Key 0002053799  
Entity File Number 001-42670  
Entity Tax Identification Number 98-1836086  
Entity Incorporation, State or Country Code E9  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status No  
Entity Shell Company true  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Incorporation, Date of Incorporation Jan. 07, 2025  
Entity Contact Personnel [Line Items]    
Entity Address, Address Line One 575 Fifth Avenue  
Entity Address, Address Line Two 14th Floor  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10017  
Entity Phone Fax Numbers [Line Items]    
City Area Code (646)  
Local Phone Number 257-4214  
Units, each consisting of one Class A ordinary share and one right    
Entity Listings [Line Items]    
Title of 12(b) Security Units, each consisting of one Class A Ordinary Share and one Right  
Trading Symbol KCHVU  
Security Exchange Name NASDAQ  
Class A ordinary shares, par value $0.0001 per share    
Entity Listings [Line Items]    
Title of 12(b) Security Class A Ordinary Shares, par value $0.0001 per share  
Trading Symbol KCHV  
Security Exchange Name NASDAQ  
Rights, each Right entitling the holder to receive one-seventh (1/7) of one Class A Ordinary Share upon the consummation of a Business Combination    
Entity Listings [Line Items]    
Title of 12(b) Security Rights, each Right entitling the holder to receive one-seventh (1/7) of one Class A Ordinary Share upon the consummation of a Business Combination  
Trading Symbol KCHVR  
Security Exchange Name NASDAQ  
Class A Ordinary Shares    
Entity Listings [Line Items]    
Entity Common Stock, Shares Outstanding   25,824,050
Class B Ordinary Shares    
Entity Listings [Line Items]    
Entity Common Stock, Shares Outstanding   8,433,333