v3.26.1
Cover Document
Mar. 16, 2026
Cover [Abstract]  
Document Type 8-K
Document Period End Date Mar. 16, 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. 16, 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