v3.26.1
Investments - Schedule of Financial Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Investments    
Financial Assets $ 1,104,024 $ 1,101,269
Fair value    
Investments    
Financial Assets 415,031 433,379
Amortized cost    
Investments    
Financial Assets 212,411 192,950
Fair value option    
Investments    
Financial Assets 476,582 474,940
Asset Management    
Investments    
Financial Assets 20,219 23,781
Collateralized asset 29,100 34,800
Asset Management | Fair value    
Investments    
Financial Assets 6,928 10,494
Asset Management | Amortized cost    
Investments    
Financial Assets 13,291 13,287
Asset Management | Fair value option    
Investments    
Financial Assets 0  
Insurance Solutions    
Investments    
Financial Assets 953,083 956,808
Insurance Solutions | Consolidated Balance Including Variable Interest Entity    
Investments    
Financial Assets 1,083,805 1,077,488
Insurance Solutions | Fair value    
Investments    
Financial Assets 406,987 421,936
Insurance Solutions | Fair value | Consolidated Balance Including Variable Interest Entity    
Investments    
Financial Assets 408,103 422,885
Insurance Solutions | Amortized cost    
Investments    
Financial Assets 199,120 179,663
Insurance Solutions | Amortized cost | Consolidated Balance Including Variable Interest Entity    
Investments    
Financial Assets 199,120 179,663
Insurance Solutions | Fair value option    
Investments    
Financial Assets 346,976 355,209
Insurance Solutions | Fair value option | Consolidated Balance Including Variable Interest Entity    
Investments    
Financial Assets 476,582 474,940
Corporate loans | Asset Management    
Investments    
Financial Assets 13,291 13,287
Corporate loans | Asset Management | Amortized cost    
Investments    
Financial Assets 13,291 13,287
Corporate loans | Insurance Solutions    
Investments    
Financial Assets 126,175 124,067
Corporate loans | Insurance Solutions | Fair value    
Investments    
Financial Assets 0  
Corporate loans | Insurance Solutions | Fair value option    
Investments    
Financial Assets 126,175 124,067
Equity securities | Asset Management    
Investments    
Financial Assets 6,857 10,409
Equity securities | Asset Management | Fair value    
Investments    
Financial Assets 6,857 10,409
Equity securities | Insurance Solutions    
Investments    
Financial Assets 4,465 15,053
Equity securities | Insurance Solutions | Variable Interest Entity, Primary Beneficiary    
Investments    
Financial Assets 1,116 949
Equity securities | Insurance Solutions | Fair value    
Investments    
Financial Assets 4,465 15,053
Equity securities | Insurance Solutions | Fair value | Variable Interest Entity, Primary Beneficiary    
Investments    
Financial Assets 1,116 949
Equity securities | Insurance Solutions | Fair value option | Variable Interest Entity, Primary Beneficiary    
Investments    
Financial Assets 0  
Derivatives | Asset Management    
Investments    
Financial Assets   13
Derivatives | Asset Management | Fair value    
Investments    
Financial Assets   13
Derivatives | Asset Management | Amortized cost    
Investments    
Financial Assets   0
Other invested assets | Asset Management    
Investments    
Financial Assets 71 72
Other invested assets | Asset Management | Fair value    
Investments    
Financial Assets 71 72
Other invested assets | Asset Management | Amortized cost    
Investments    
Financial Assets 0 0
Other invested assets | Asset Management | Fair value option    
Investments    
Financial Assets 0 0
Other invested assets | Insurance Solutions    
Investments    
Financial Assets 30,463 23,084
Other invested assets | Insurance Solutions | Fair value    
Investments    
Financial Assets 13,874 4,878
Other invested assets | Insurance Solutions | Amortized cost    
Investments    
Financial Assets 15,444 17,097
Other invested assets | Insurance Solutions | Fair value option    
Investments    
Financial Assets 1,145 1,109
U.S. government and agency | Insurance Solutions    
Investments    
Financial Assets 9,833 10,348
U.S. government and agency | Insurance Solutions | Fair value    
Investments    
Financial Assets 9,833 10,348
U.S. state, territories and municipalities | Insurance Solutions    
Investments    
Financial Assets 5,200 5,354
U.S. state, territories and municipalities | Insurance Solutions | Fair value    
Investments    
Financial Assets 3,313 3,440
U.S. state, territories and municipalities | Insurance Solutions | Fair value option    
Investments    
Financial Assets 1,887 1,914
Other government and agency | Insurance Solutions    
Investments    
Financial Assets 2,507 2,475
Other government and agency | Insurance Solutions | Fair value option    
Investments    
Financial Assets 2,507 2,475
Corporate | Insurance Solutions    
Investments    
Financial Assets 271,121 271,188
Corporate | Insurance Solutions | Variable Interest Entity, Primary Beneficiary    
Investments    
Financial Assets 129,606 119,731
Corporate | Insurance Solutions | Fair value    
Investments    
Financial Assets 169,892 166,693
Corporate | Insurance Solutions | Fair value | Variable Interest Entity, Primary Beneficiary    
Investments    
Financial Assets 0  
Corporate | Insurance Solutions | Fair value option    
Investments    
Financial Assets 101,229 104,495
Corporate | Insurance Solutions | Fair value option | Variable Interest Entity, Primary Beneficiary    
Investments    
Financial Assets 129,606 119,731
Asset and mortgage-backed securities | Insurance Solutions    
Investments    
Financial Assets 319,643 342,673
Asset and mortgage-backed securities | Insurance Solutions | Fair value    
Investments    
Financial Assets 205,610 221,524
Asset and mortgage-backed securities | Insurance Solutions | Fair value option    
Investments    
Financial Assets 114,033 121,149
Mortgage loans | Insurance Solutions    
Investments    
Financial Assets 183,676 162,566
Mortgage loans | Insurance Solutions | Amortized cost    
Investments    
Financial Assets $ 183,676 $ 162,566