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Capital Maintenance Agreement (Details)
Dec. 31, 2022
USD ($)
Essent Guaranty | Capital maintenance agreement | Essent PA  
Capital Maintenance Agreement  
Amounts outstanding $ 0
Essent Guaranty | Capital maintenance agreement | Essent PA | Maximum  
Capital Maintenance Agreement  
Risk to capital ratio 25.0
Essent PA  
Capital Maintenance Agreement  
Risk to capital ratio 0.6