v3.26.1
Losses and LAE - Additional Information (Details)
$ in Thousands
 5 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2026
USD ($)
Default
Jun. 30, 2025
USD ($)
Default
Mortgage      
Liability for Claims and Claims Adjustment Expense [Line Items]      
Net incurred losses   $ 53,694 $ 27,294
Current accident year losses [1]   115,294 103,750
Prior year development losses   (61,600) (76,456)
Net paid losses and LAE related to settlement activity on prior year claims   $ 41,174 $ 11,221
Specialty      
Liability for Claims and Claims Adjustment Expense [Line Items]      
Increase in loss and loss adjustments expense reserves, net of reinsurance receoverables $ 127,000    
Net incurred losses 255,507    
Current accident year losses 292,256    
Prior year development losses (36,749)    
Net paid losses and LAE related to settlement activity on prior year claims 118,346    
Specialty | VOBA Intangible Asset      
Liability for Claims and Claims Adjustment Expense [Line Items]      
Net incurred losses 6,000    
Current accident year losses 292,000    
Prior year development losses $ 37,000    
Primary Mortgage Product | Mortgage      
Liability for Claims and Claims Adjustment Expense [Line Items]      
New primary defaults | Default   25,957 23,972
Increase (decrease) in number of new primary default notices (in percent)   8.00%  
Default to claim rate estimate, gross, for new defaults 7.50% 7.50% 7.50%
[1] Related to underlying defaulted loans with a most recent default notice dated in the year indicated. For example, if a loan had defaulted in a prior year, but then subsequently cured and later re-defaulted in the current year, that default would be considered a current year default.