v3.26.3
Dividends Restrictions (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Oct. 31, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Dividends Restrictions          
Total equity   $ 5,738,974 $ 5,555,065 $ 5,738,974 $ 5,756,727
Related Party | Essent Guaranty Inc          
Dividends Restrictions          
Unassigned surplus     323,800    
Amount available for dividend distribution     323,800    
Affiliated Entity | Essent Guaranty Inc          
Dividends Restrictions          
Dividends paid to parent company   85,000 115,000 215,000  
Affiliated Entity | Essent Guaranty Inc | Subsequent Event          
Dividends Restrictions          
Dividends paid to parent company $ 85,000        
Affiliated Entity | Essent Re          
Dividends Restrictions          
Dividends paid to parent company   $ 120,000 200,000 $ 340,000  
Total equity     1,700,000    
Affiliated Entity | Essent Re | Minimum | Quota share reinsurance          
Dividends Restrictions          
Total equity     $ 100,000