v3.26.1
Cover - shares
 3 Months Ended
Mar. 31, 2026
May 06, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
Document Transition Report false  
Entity File Number 001-41591  
Entity Registrant Name SKYWARD SPECIALTY INSURANCE GROUP, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 14-1957288  
Entity Address, Address Line One 800 Gessner Road  
Entity Address, Address Line Two Suite 600  
Entity Address, City or Town Houston  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 77024-4284  
City Area Code 713  
Local Phone Number 935-4800  
Title of 12(b) Security Common stock, par value $0.01  
Trading Symbol SKWD  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   40,543,065
Entity Central Index Key 0001519449  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1