v3.25.2
Cover Document
Aug. 04, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date Aug. 04, 2025
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
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
8.00% Resettable Fixed Rate Preference Shares, Series B  
Cover [Abstract]  
Title of each class 8.00% Resettable Fixed Rate Preference Shares, Series B, $0.10 par value, $25.00 liquidation preference per share
Trading Symbol SPNT PB
Name of each exchange on which registered NYSE
Document Information [Line Items]  
Title of each class 8.00% Resettable Fixed Rate Preference Shares, Series B, $0.10 par value, $25.00 liquidation preference per share
Trading Symbol SPNT PB
Name of each exchange on which registered NYSE