v3.25.2
Investments - Geographic composition of investments based on fair value (Details)
6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Investments    
Total 100.00% 100.00%
U.S.    
Investments    
Total 99.00% 98.90%
Non-U.S.    
Investments    
Total 1.00% 1.10%