v3.26.1
Losses and LAE - Additional Information (Details)
$ in Thousands
 2 Months Ended 3 Months Ended
Mar. 31, 2026
USD ($)
Mar. 31, 2026
USD ($)
Default
Mar. 31, 2025
USD ($)
Default
Mortgage      
Liability for Claims and Claims Adjustment Expense [Line Items]      
Net incurred losses   $ 24,276 $ 15,340
Current accident year losses [1]   59,839 53,740
Prior year development losses   (35,563) (38,400)
Net paid losses and LAE related to settlement activity on prior year claims   $ 19,891 $ 4,233
Specialty      
Liability for Claims and Claims Adjustment Expense [Line Items]      
Increase in loss and loss adjustments expense reserves, net of reinsurance receoverables $ 88,000    
Net incurred losses 86,268    
Current accident year losses 98,846    
Prior year development losses (12,578)    
Net paid losses and LAE related to settlement activity on prior year claims 32,228    
Specialty | VOBA Intangible Asset      
Liability for Claims and Claims Adjustment Expense [Line Items]      
Net incurred losses 3,000    
Current accident year losses 99,000    
Prior year development losses $ 13,000    
Primary Mortgage Product | Mortgage      
Liability for Claims and Claims Adjustment Expense [Line Items]      
New primary defaults | Default   13,584 12,505
Increase (decrease) in number of new primary default notices (in percent)   9.00%  
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.