v3.26.1
Cover Document
Mar. 23, 2026
Mar. 17, 2026
Cover [Abstract]    
Document Type 8-K  
Document Period End Date Mar. 23, 2026 Mar. 17, 2026
Entity Registrant Name SIRIUSPOINT LTD.  
Entity Incorporation, State or Country Code D0  
Entity Tax Identification Number 98-1599372  
Entity Address, Street Address Point Building  
Entity Address, Street Address 2 3 Waterloo Lane  
Entity Address, City Pembroke  
Entity Address, Postal Zip Code HM 08  
Entity Address, Country BM  
City Area Code 441  
Local Phone Number 542-3300  
Written Communications false  
Soliciting Material false  
Pre-commencement Tender Offer false  
Pre-commencement Issuer Tender Offer false  
Entity Emerging Growth Company false  
Entity Central Index Key 0001576018  
Amendment Flag false  
Entity File Number 001-36052  
Document Information [Line Items]    
Document Period End Date Mar. 23, 2026 Mar. 17, 2026
City Area Code 441  
Common Stock    
Cover [Abstract]    
Title of each class Common Shares, $0.10 par value  
Trading Symbol SPNT  
Name of each exchange on which registered NYSE  
Document Information [Line Items]    
Title of each class Common Shares, $0.10 par value  
Trading Symbol SPNT  
Name of each exchange on which registered NYSE