v3.26.1
Fair value measurements - Value of Assets and Liabilities Not Measured at Fair Value (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Carrying value    
Other assets $ 26,419 $ 47,362
Total financial assets 1,600,718 1,561,949
Debt obligations 76,250  
Total financial liabilities 1,509,762 1,457,866
Asset Management    
Carrying value    
Other assets 11,165 9,179
Total financial assets 66,423 65,422
Total financial liabilities 97,609 91,102
Fair value    
Debt obligation   1,471
Insurance Solutions    
Carrying value    
Other assets 15,254 38,183
Total financial assets 1,534,295 1,496,527
Interest sensitive contract liabilities 363,981 334,876
Total financial liabilities 1,412,153 1,366,764
Fair value    
Debt securities: 405,621 388,907
Amortized cost    
Carrying value    
Total financial assets 192,950 177,669
Total financial liabilities 457,481 422,618
Amortized cost | Asset Management    
Carrying value    
Debt obligations 76,250 73,492
Total financial liabilities 76,250 73,492
Amortized cost | Insurance Solutions    
Carrying value    
Other assets 17,097 16,742
Total financial assets 179,663 164,382
Mortgage loans 162,566 147,640
Debt obligations 17,250 14,250
Interest sensitive contract liabilities 363,981 334,876
Total financial liabilities 381,231 349,126
Fair value    
Fair value    
Total 908,800 879,348
Fair value | Asset Management    
Fair value    
Other invested assets 72  
Total 10,494 2,276
Fair value | Insurance Solutions    
Fair value    
Total 777,145 751,174
Fair value | Level 2    
Fair value    
Total 612,830 617,954
Fair value | Level 2 | Asset Management    
Fair value    
Total 91  
Fair value | Level 2 | Insurance Solutions    
Fair value    
Total 612,258 617,954
Fair value | Level 3    
Fair value    
Total 282,270 257,265
Fair value | Level 3 | Asset Management    
Fair value    
Other invested assets 72  
Total 6,569 499
Fair value | Level 3 | Insurance Solutions    
Fair value    
Total 155,021 130,868
Other than Fair Value Measurement    
Fair value    
Total 201,241 183,315
Total financial liabilities 454,308 419,102
Other than Fair Value Measurement | Asset Management    
Fair value    
Debt obligation 72,880 69,776
Total financial liabilities 72,880 69,776
Other than Fair Value Measurement | Insurance Solutions    
Fair value    
Mortgage loans 172,602 153,619
Other invested assets 17,488 16,512
Total 190,090 170,131
Debt obligation 17,447 14,450
Interest sensitive contract liabilities 363,981 334,876
Total financial liabilities 381,428 349,326
Other than Fair Value Measurement | Level 2    
Fair value    
Total financial liabilities 363,981 334,876
Other than Fair Value Measurement | Level 2 | Insurance Solutions    
Fair value    
Interest sensitive contract liabilities 363,981 334,876
Total financial liabilities 363,981 334,876
Other than Fair Value Measurement | Level 3    
Fair value    
Total 201,241 183,315
Total financial liabilities 90,327 84,226
Other than Fair Value Measurement | Level 3 | Asset Management    
Fair value    
Debt obligation 72,880 69,776
Total financial liabilities 72,880 69,776
Other than Fair Value Measurement | Level 3 | Insurance Solutions    
Fair value    
Mortgage loans 172,602 153,619
Other invested assets 17,488 16,512
Total 190,090 170,131
Debt obligation 17,447 14,450
Total financial liabilities 17,447 14,450
Corporate | Insurance Solutions    
Fair value    
Debt securities: 166,693 119,896
Corporate | Amortized cost | Asset Management    
Carrying value    
Debt securities: 13,287 13,287
Total financial assets 13,287 13,287
Corporate | Fair value | Insurance Solutions    
Fair value    
Debt securities: 271,188 226,249
Corporate | Fair value | Level 2 | Insurance Solutions    
Fair value    
Debt securities: 261,039 226,249
Corporate | Fair value | Level 3 | Insurance Solutions    
Fair value    
Debt securities: 10,149  
Corporate | Other than Fair Value Measurement | Asset Management    
Fair value    
Debt securities: 11,151 13,184
Total 11,151 13,184
Corporate | Other than Fair Value Measurement | Level 3 | Asset Management    
Fair value    
Debt securities: 11,151 13,184
Total $ 11,151 $ 13,184