v3.26.1
Earnings per share available to SiriusPoint common shareholders - Narrative (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
RSUs        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 3,370 48,727 410,988 26,933