v3.26.1
Concentration of Risks - Investment Concentration Risk (Details) - Investment Concentration Risk - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Concentration Risk [Line Items]    
Fair value $ 1,077,488 $ 1,041,454
Insurance Solutions    
Concentration Risk [Line Items]    
Fair value 956,808 915,556
Insurance Solutions consolidated VIEs    
Concentration Risk [Line Items]    
Fair value 120,680 125,898
United States | Insurance Solutions    
Concentration Risk [Line Items]    
Fair value $ 688,545 $ 643,438
United States | Insurance Solutions | Geographic Area    
Concentration Risk [Line Items]    
% of total 72.00% 70.00%
United States | Insurance Solutions consolidated VIEs    
Concentration Risk [Line Items]    
Fair value $ 111,781 $ 120,144
United States | Insurance Solutions consolidated VIEs | Geographic Area    
Concentration Risk [Line Items]    
% of total 93.00% 95.00%
Cayman Islands | Insurance Solutions    
Concentration Risk [Line Items]    
Fair value $ 207,034  
Cayman Islands | Insurance Solutions | Geographic Area    
Concentration Risk [Line Items]    
% of total 22.00%  
Canada | Insurance Solutions    
Concentration Risk [Line Items]    
Fair value   $ 6,579
Canada | Insurance Solutions | Geographic Area    
Concentration Risk [Line Items]    
% of total   1.00%
Canada | Insurance Solutions consolidated VIEs    
Concentration Risk [Line Items]    
Fair value   $ 1,075
Canada | Insurance Solutions consolidated VIEs | Geographic Area    
Concentration Risk [Line Items]    
% of total   1.00%
Other | Insurance Solutions    
Concentration Risk [Line Items]    
Fair value $ 61,229 $ 265,539
Other | Insurance Solutions | Geographic Area    
Concentration Risk [Line Items]    
% of total 6.00% 29.00%
Other | Insurance Solutions consolidated VIEs    
Concentration Risk [Line Items]    
Fair value $ 8,899 $ 4,679
Other | Insurance Solutions consolidated VIEs | Geographic Area    
Concentration Risk [Line Items]    
% of total 7.00% 4.00%