v3.26.1
Basis of Presentation (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
May 27, 2025
USD ($)
director
$ / shares
shares
Jun. 30, 2026
USD ($)
agreement
entity
$ / shares
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
agreement
insuranceCarrier
entity
$ / shares
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
$ / shares
Jun. 03, 2025
$ / shares
Variable Interest Entity [Line Items]              
Common shares, par value (in dollars per share) | $ / shares $ 0.01 $ 0.01   $ 0.01   $ 0.01 $ 0.01
Business combination, stock conversion ratio 0.05            
Contingent consideration   $ 0   $ 0   $ 0  
Number of directors | director 7            
Number of independent directors | director 2            
Gain on bargain purchase   0 $ 73,590 0 $ 73,590    
Kestrel Intermediate Ledbetter Holdings              
Variable Interest Entity [Line Items]              
Number of directors, selected by affiliate | director 4            
AmTrust Financial Services, Inc.              
Variable Interest Entity [Line Items]              
Number of directors, selected by affiliate | director 3            
Pro Forma              
Variable Interest Entity [Line Items]              
Loss from discontinued operations, net of income tax   $ (1,125) $ (495) $ (2,038) $ (495)    
Genesis Legacy Solutions | Historic Reinsurance              
Variable Interest Entity [Line Items]              
Number of reinsurance agreements, open | agreement   1   1      
Number of reinsurance agreements, completing run-off | entity   1   1      
Kestrel Group, Ltd.              
Variable Interest Entity [Line Items]              
Upfront cash $ 40,000            
Common shares (in shares) | shares 7,221,621            
Contingent consideration $ 45,000            
Common shares issued or to be issued (in shares) | shares 2,750,000            
Kestrel Group, Ltd. | Common shares              
Variable Interest Entity [Line Items]              
Common shares (in shares) | shares 2,749,996            
Kestrel Group, Ltd.              
Variable Interest Entity [Line Items]              
Number of insurance carriers | insuranceCarrier       4      
Maiden Holdings, Ltd. | Maiden Reinsurance              
Variable Interest Entity [Line Items]              
Ownership percentage   22.20%   22.20%      
AmTrust Financial Services, Inc.              
Variable Interest Entity [Line Items]              
Acquire option term 3 years