v3.26.1
Debt obligations - Schedule of Ability Surplus Notes Outstanding (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Jun. 30, 2026
Debt Instrument [Line Items]    
Par value $ 76,252 $ 95,849
Carrying value of note   98,059
Subordinated Debt    
Debt Instrument [Line Items]    
Par value 17,250 12,000
Carrying value of note $ 17,250 $ 12,000
Sentinel Security Life Insurance Company | Subordinated Debt    
Debt Instrument [Line Items]    
Interest rate 5.00%  
Par value $ 2,250  
Carrying value of note $ 2,250  
Revol One Insurance Company (formerly known as Pavonia Life Insurance Company of Michigan) | Subordinated Debt    
Debt Instrument [Line Items]    
Interest rate 10.00% 10.00%
Par value $ 12,000 $ 12,000
Carrying value of note $ 12,000 $ 12,000
Atlantic Coast Life Insurance Company | Subordinated Debt    
Debt Instrument [Line Items]    
Variable rate 6.00%  
Par value $ 3,000  
Carrying value of note $ 3,000