v3.26.1
Related parties (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 30, 2020
Dec. 31, 2025
Dec. 31, 2024
Jul. 15, 2025
Related Party Transaction [Line Items]        
Debt obligations   $ 76,250    
Promissory note   77,075 $ 76,292  
Income from profit sharing agreement   $ 400 $ 0  
Common stock, shares outstanding (in shares)   12,786,770 6,133,631  
Investments   $ 1,106,786 $ 1,062,824  
Equity investment earning   1,023 680  
Asset Management        
Related Party Transaction [Line Items]        
Purchase receivables   2,311 0  
Investments   29,298 21,370  
Equity investment earning   1,023 680  
Dividend income   98 356  
Insurance Solutions        
Related Party Transaction [Line Items]        
Intangible assets — indefinite life   $ 2,444 $ 2,444  
DEUs        
Related Party Transaction [Line Items]        
Outstanding (in shares)   0 23,172  
Granted (in shares)   48,516    
RSU's        
Related Party Transaction [Line Items]        
Outstanding (in shares)   0 1,409,780  
Granted (in shares)   652,135 1,435,700  
Deferred Profit Sharing        
Related Party Transaction [Line Items]        
Intangible assets — indefinite life   $ 8,200   $ 11,200
Portman-Logan        
Related Party Transaction [Line Items]        
Subsidiary, ownership percentage       24.99%
Related Party | Asset Management        
Related Party Transaction [Line Items]        
Investments   25,423 $ 20,871  
Related Party | Insurance Solutions        
Related Party Transaction [Line Items]        
Investments   20,867 23,659  
Affiliated Entity | MLCSC        
Related Party Transaction [Line Items]        
Profit sharing interest, distribution entitlement percentage       16.03%
Affiliated Entity | Promissory Note due October 2040 | Commercial Paper        
Related Party Transaction [Line Items]        
Debt obligations $ 15,000      
Promissory note   13,600 13,600  
Purchase receivables   3,000 1,900  
Affiliated Entity | Promissory Note due October 2040 | Commercial Paper | First 10 Years        
Related Party Transaction [Line Items]        
Interest rate 8.00%      
Debt instrument,term 10 years      
Affiliated Entity | Promissory Note due October 2040 | Commercial Paper | Second 10 Years        
Related Party Transaction [Line Items]        
Interest rate 8.00%      
Debt instrument,term 10 years      
Variable rate 2.00%      
Service Agreements | Related Party        
Related Party Transaction [Line Items]        
Administrative fees   5,900 3,900  
Administrative fees payable   1,700 1,200  
Staffing and Resource Agreement        
Related Party Transaction [Line Items]        
Servicing fees   1,000 0  
Outstanding payables     1,000  
Transaction With Servicing Fees | Affiliated Entity        
Related Party Transaction [Line Items]        
Servicing fees   2,100 2,500  
Related Party Interest Income | Affiliated Entity | Promissory Note due October 2040 | Commercial Paper        
Related Party Transaction [Line Items]        
Servicing fees   $ 1,100 $ 1,100  
Key Management Personnel Compensation | CEO And Co-Presidents        
Related Party Transaction [Line Items]        
Equity-based compensation percentage   100.00%    
Key Management Personnel Compensation | CEO And Co-Presidents | RSUs inclusive of DEUs        
Related Party Transaction [Line Items]        
Outstanding (in shares)     659,557  
Key Management Personnel Compensation | CEO And Co-Presidents | DEUs        
Related Party Transaction [Line Items]        
Granted (in shares)   16,790 8,441  
Key Management Personnel Compensation | CEO And Co-Presidents | RSU's        
Related Party Transaction [Line Items]        
Granted (in shares)   0 595,000  
Key Management Personnel Compensation | Directors and Officers        
Related Party Transaction [Line Items]        
Common stock, shares outstanding (in shares)   282,461 190,596  
Other Transactions With BCPA or Affiliates | Related Party        
Related Party Transaction [Line Items]        
Servicing fees   $ 4,500 $ 7,400  
Other Transactions With BCPA or Affiliates | Affiliated Entity        
Related Party Transaction [Line Items]        
Servicing fees   7,000 7,200  
Payable to affiliate   600 600  
Other Transactions With BCPA or Affiliates | Affiliated Entity | Asset Management        
Related Party Transaction [Line Items]        
Investments   25,400 20,900  
Interest income   1,100 1,100  
Equity investment earning   1,000 700  
Dividend income   100 400  
Other Transactions With BCPA or Affiliates | Affiliated Entity | Insurance Solutions        
Related Party Transaction [Line Items]        
Investments   20,900 23,700  
Interest income   1,300 2,400  
Dividend income   $ 200 $ 300