v3.26.1
Document And Entity Information - shares
 6 Months Ended
Jun. 30, 2026
Aug. 11, 2026
Document Information [Line Items]    
Entity Central Index Key 0002105838  
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Fiscal Year Focus 2026  
Document Transition Report false  
Entity File Number 001-43186  
Entity Registrant Name SUMA Acquisition Corporation  
Entity Incorporation, State or Country Code E9  
Entity Tax Identification Number 98-1906937  
Entity Address, Address Line One 6543 Las  
Entity Address, Address Line Two Vegas Blvd S  
Entity Address, City or Town Las Vegas  
Entity Address, State or Province NV  
Entity Address, Postal Zip Code 89119  
City Area Code (647)  
Local Phone Number 622-9173  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company true  
Amendment Flag false  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --12-31  
Units, each consisting of one Class A Ordinary Share and one Right    
Document Information [Line Items]    
Title of 12(b) Security Units, each consisting of one Class A Ordinary Share and one Right  
Trading Symbol SUMAU  
Security Exchange Name NASDAQ  
Class A Ordinary Shares, par value $0.0001 per share    
Document Information [Line Items]    
Title of 12(b) Security Class A Ordinary Shares, par value $0.0001 per share  
Trading Symbol SUMA  
Security Exchange Name NASDAQ  
Rights, each entitling the holder to receive one-fifth (1/5) of one Class A Ordinary Share    
Document Information [Line Items]    
Title of 12(b) Security Rights, each entitling the holder to receive one-fifth (1/5) of one Class A Ordinary Share  
Trading Symbol SUMAR  
Security Exchange Name NASDAQ  
Class A Ordinary Shares    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   17,696,250
Class B Ordinary Shares    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   5,750,000