v3.26.1
Fair value measurements - Schedule of Fair Value of Assets and Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Financial liabilities    
Ceded reinsurance - embedded derivative $ 31,900 $ 29,700
Fair value    
Financial assets    
Total financial assets — Asset Management 891,613 908,800
Financial liabilities    
Total Liabilities   31,038
Asset Management | Fair value    
Financial assets    
Equity securities 6,857 10,409
Derivatives 0 13
Other invested assets 71 72
Total financial assets — Asset Management 6,928 10,494
Insurance Solutions    
Financial assets    
Debt securities 391,431 405,621
Derivatives 0 481
Financial liabilities    
Interest rate swaps 3,477 1,388
Insurance Solutions | Fair value    
Financial assets    
Equity securities 4,465 15,053
Derivatives 0 481
Corporate loans 126,175 124,067
Total financial assets — Asset Management 753,963 777,145
Financial liabilities    
Ceded reinsurance - embedded derivative 31,949 29,650
Interest rate swaps 3,477 1,388
Total Liabilities 35,426 31,038
Insurance Solutions | Variable Interest Entity, Primary Beneficiary | Fair value    
Financial assets    
Equity securities 1,116 949
Corporate loans 129,606 119,731
Insurance Solutions | Consolidated Balance Including Variable Interest Entity | Fair value    
Financial assets    
Total financial assets — Asset Management 884,685 897,825
Insurance Solutions | U.S. government and agency    
Financial assets    
Debt securities 9,833 10,348
Insurance Solutions | U.S. government and agency | Fair value    
Financial assets    
Debt securities 9,833 10,348
Insurance Solutions | U.S. state, territories and municipalities    
Financial assets    
Debt securities 3,313 3,440
Insurance Solutions | U.S. state, territories and municipalities | Fair value    
Financial assets    
Debt securities 5,200 5,354
Insurance Solutions | Other government and agency | Fair value    
Financial assets    
Debt securities 2,507 2,475
Insurance Solutions | Corporate    
Financial assets    
Debt securities 169,892 166,693
Insurance Solutions | Corporate | Fair value    
Financial assets    
Debt securities 271,121 271,188
Insurance Solutions | Asset and mortgage-backed securities    
Financial assets    
Debt securities 205,610 221,524
Insurance Solutions | Asset and mortgage-backed securities | Fair value    
Financial assets    
Debt securities 319,643 342,673
Insurance Solutions | Other invested assets    
Financial assets    
Debt securities 2,783 3,616
Insurance Solutions | Other invested assets | Fair value    
Financial assets    
Other invested assets 15,019 5,987
Level 1 | Fair value    
Financial assets    
Total financial assets — Asset Management 758 11,478
Level 1 | Asset Management | Fair value    
Financial assets    
Equity securities 620 3,834
Total financial assets — Asset Management 620 3,834
Level 1 | Insurance Solutions | Fair value    
Financial assets    
Equity securities 138 7,644
Total financial assets — Asset Management 138 7,644
Level 1 | Insurance Solutions | Variable Interest Entity, Primary Beneficiary | Fair value    
Financial assets    
Corporate loans 0  
Level 1 | Insurance Solutions | Consolidated Balance Including Variable Interest Entity | Fair value    
Financial assets    
Total financial assets — Asset Management 138 7,644
Level 1 | Insurance Solutions | U.S. government and agency | Fair value    
Financial assets    
Debt securities 0  
Level 2 | Fair value    
Financial assets    
Total financial assets — Asset Management 587,790 612,830
Financial liabilities    
Total Liabilities   31,038
Level 2 | Asset Management | Fair value    
Financial assets    
Equity securities 0 91
Total financial assets — Asset Management 0 91
Level 2 | Insurance Solutions | Fair value    
Financial assets    
Equity securities 2,226 2,246
Derivatives 0 481
Corporate loans 17,639 7,499
Total financial assets — Asset Management 587,790 612,258
Financial liabilities    
Ceded reinsurance - embedded derivative 31,949 29,650
Interest rate swaps 3,477 1,388
Total Liabilities 35,426 31,038
Level 2 | Insurance Solutions | Variable Interest Entity, Primary Beneficiary | Fair value    
Financial assets    
Corporate loans 0  
Level 2 | Insurance Solutions | Consolidated Balance Including Variable Interest Entity | Fair value    
Financial assets    
Total financial assets — Asset Management 587,790 612,258
Level 2 | Insurance Solutions | U.S. government and agency | Fair value    
Financial assets    
Debt securities 9,833 10,348
Level 2 | Insurance Solutions | U.S. state, territories and municipalities | Fair value    
Financial assets    
Debt securities 5,200 5,354
Level 2 | Insurance Solutions | Other government and agency | Fair value    
Financial assets    
Debt securities 2,507 2,475
Level 2 | Insurance Solutions | Corporate | Fair value    
Financial assets    
Debt securities 261,120 261,039
Level 2 | Insurance Solutions | Asset and mortgage-backed securities | Fair value    
Financial assets    
Debt securities 279,270 323,246
Level 2 | Insurance Solutions | Other invested assets | Fair value    
Financial assets    
Other invested assets 9,995 51
Level 3 | Fair value    
Financial assets    
Total financial assets — Asset Management 300,990 282,270
Financial liabilities    
Total Liabilities   0
Level 3 | Asset Management | Fair value    
Financial assets    
Equity securities 6,237 6,484
Derivatives 0 13
Other invested assets 71 72
Total financial assets — Asset Management 6,308 6,569
Level 3 | Insurance Solutions | Fair value    
Financial assets    
Equity securities 301 3,240
Corporate loans 108,536 116,568
Total financial assets — Asset Management 163,960 155,021
Level 3 | Insurance Solutions | Variable Interest Entity, Primary Beneficiary | Fair value    
Financial assets    
Equity securities 1,116 949
Corporate loans 129,606 119,731
Level 3 | Insurance Solutions | Consolidated Balance Including Variable Interest Entity | Fair value    
Financial assets    
Total financial assets — Asset Management 294,682 275,701
Level 3 | Insurance Solutions | U.S. government and agency | Fair value    
Financial assets    
Debt securities 0  
Level 3 | Insurance Solutions | Corporate | Fair value    
Financial assets    
Debt securities 10,001 10,149
Level 3 | Insurance Solutions | Asset and mortgage-backed securities | Fair value    
Financial assets    
Debt securities 40,373 19,427
Level 3 | Insurance Solutions | Other invested assets | Fair value    
Financial assets    
Other invested assets 4,749 5,637
NAV | Fair value    
Financial assets    
Total financial assets — Asset Management 2,075 2,222
NAV | Insurance Solutions | Fair value    
Financial assets    
Equity securities 1,800 1,923
Other invested assets   299
Total financial assets — Asset Management 2,075 2,222
NAV | Insurance Solutions | Variable Interest Entity, Primary Beneficiary | Fair value    
Financial assets    
Corporate loans 0  
NAV | Insurance Solutions | Consolidated Balance Including Variable Interest Entity | Fair value    
Financial assets    
Total financial assets — Asset Management 2,075 $ 2,222
NAV | Insurance Solutions | U.S. government and agency | Fair value    
Financial assets    
Debt securities 0  
NAV | Insurance Solutions | Other invested assets | Fair value    
Financial assets    
Other invested assets $ 275