v3.25.2
Cover Page Cover Page
Aug. 08, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date Aug. 08, 2025
Entity Registrant Name ESSENT GROUP LTD.
Entity Incorporation, State or Country Code D0
Entity File Number 001-36157
Entity Address, Address Line One Clarendon House
Entity Address, Address Line Two 2 Church Street
Entity Address, City or Town Hamilton
Entity Address, Postal Zip Code HM11
Entity Address, Country BM
City Area Code 441
Local Phone Number 297‑9901
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Title of 12(b) Security Common Shares, $0.015 par value
Trading Symbol ESNT
Security Exchange Name NYSE
Entity Central Index Key 0001448893
Amendment Flag false